{"title":"MerCruiser Distributor Cap and Rotor Kits","description":"","products":[{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-mcm-mie-5-0l-5-7l-6-2l-mpi-engines-with-ecm-555-8m0061335","title":"Mercury – Distributor Cap Kit | MPI Ignition System | Composite Construction | 8M0061335","description":"\u003ch2 data-start=\"162\" data-end=\"268\"\u003eMercury – Distributor Cap Kit | MPI Ignition System | Composite Construction | 8M0061335\u003c\/h2\u003e\n\u003chr data-start=\"270\" data-end=\"273\"\u003e\n\u003ch3 data-start=\"275\" data-end=\"290\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"292\" data-end=\"848\"\u003eWhen you spend your weekends on the water, you can feel when your engine is running right. There’s a certain steadiness to it—a rhythm that settles in as you push through open channels or ease into the marina at sunset. Your ignition system is at the heart of that feeling, and the distributor cap plays a bigger role than most folks realize. The Mercury 8M0061335 Distributor Cap Kit gives you that quiet confidence every time you turn the key, keeping your engine firing clean and strong so you can focus on the day, not what’s happening under the hatch.\u003c\/p\u003e\n\u003chr data-start=\"850\" data-end=\"853\"\u003e\n\u003ch3 data-start=\"855\" data-end=\"874\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"876\" data-end=\"1343\"\u003e\n\u003cli data-start=\"876\" data-end=\"958\"\u003e\n\u003cp data-start=\"878\" data-end=\"958\"\u003eReplacement \u003cstrong data-start=\"890\" data-end=\"913\"\u003edistributor cap kit\u003c\/strong\u003e designed for select MerCruiser MPI engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"959\" data-end=\"1044\"\u003e\n\u003cp data-start=\"961\" data-end=\"1044\"\u003eBuilt from a reinforced \u003cstrong data-start=\"985\" data-end=\"1010\"\u003ePBT and PET composite\u003c\/strong\u003e for strength and heat stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1045\" data-end=\"1111\"\u003e\n\u003cp data-start=\"1047\" data-end=\"1111\"\u003eSolid \u003cstrong data-start=\"1053\" data-end=\"1072\"\u003ebrass terminals\u003c\/strong\u003e resist corrosion and electrical wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1112\" data-end=\"1193\"\u003e\n\u003cp data-start=\"1114\" data-end=\"1193\"\u003eEngineered to limit \u003cstrong data-start=\"1134\" data-end=\"1166\"\u003eradio frequency interference\u003c\/strong\u003e with onboard electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1194\" data-end=\"1272\"\u003e\n\u003cp data-start=\"1196\" data-end=\"1272\"\u003eHigh resistance to warpage, thermal cracking, and vibration-related stress\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1273\" data-end=\"1343\"\u003e\n\u003cp data-start=\"1275\" data-end=\"1343\"\u003eDesigned to match Mercury’s original fit and performance standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1345\" data-end=\"1348\"\u003e\n\u003ch3 data-start=\"1350\" data-end=\"1384\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"1386\" data-end=\"1469\"\u003eCompatible with the following MerCruiser engines equipped with ECM 555 (2001–2015):\u003c\/p\u003e\n\u003cul data-start=\"1471\" data-end=\"1659\"\u003e\n\u003cli data-start=\"1471\" data-end=\"1518\"\u003e\n\u003cp data-start=\"1473\" data-end=\"1518\"\u003e\u003cstrong data-start=\"1473\" data-end=\"1516\"\u003e5.0L MPI sterndrive and inboard engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1519\" data-end=\"1566\"\u003e\n\u003cp data-start=\"1521\" data-end=\"1566\"\u003e\u003cstrong data-start=\"1521\" data-end=\"1564\"\u003e5.7L MPI sterndrive and inboard engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1567\" data-end=\"1614\"\u003e\n\u003cp data-start=\"1569\" data-end=\"1614\"\u003e\u003cstrong data-start=\"1569\" data-end=\"1612\"\u003e6.2L MPI sterndrive and inboard engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1615\" data-end=\"1659\"\u003e\n\u003cp data-start=\"1617\" data-end=\"1659\"\u003eSerial number range: \u003cstrong data-start=\"1638\" data-end=\"1659\"\u003e0M300000–2A455878\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1661\" data-end=\"1702\"\u003eCommon boats using these engines include:\u003c\/p\u003e\n\u003cul data-start=\"1704\" data-end=\"1796\"\u003e\n\u003cli data-start=\"1704\" data-end=\"1717\"\u003e\n\u003cp data-start=\"1706\" data-end=\"1717\"\u003eBowriders\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1718\" data-end=\"1736\"\u003e\n\u003cp data-start=\"1720\" data-end=\"1736\"\u003eCabin cruisers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1737\" data-end=\"1752\"\u003e\n\u003cp data-start=\"1739\" data-end=\"1752\"\u003eSport boats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1753\" data-end=\"1773\"\u003e\n\u003cp data-start=\"1755\" data-end=\"1773\"\u003eFamily runabouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1774\" data-end=\"1796\"\u003e\n\u003cp data-start=\"1776\" data-end=\"1796\"\u003eWake and tow boats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1798\" data-end=\"1801\"\u003e\n\u003ch3 data-start=\"1803\" data-end=\"1842\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1844\" data-end=\"2187\"\u003eA marine ignition system takes a beating—heat, moisture, vibration, long idle sessions, sudden throttle bursts. A reliable distributor cap is what keeps spark consistent through all of it. The 8M0061335 Distributor Cap Kit brings back that smooth, predictable ignition timing that makes your engine feel steady from idle to wide-open throttle.\u003c\/p\u003e\n\u003cp data-start=\"2189\" data-end=\"2548\"\u003eYou’ll notice the difference in everyday moments: easier starts after sitting overnight, smoother acceleration when you roll forward, and fewer interruptions in spark on choppy days. The composite body stays tight and stable even after repeated heat cycles, while the brass inserts deliver clean conduction without the pitting you get from lower-grade metals.\u003c\/p\u003e\n\u003cp data-start=\"2550\" data-end=\"2780\"\u003eThis kit is built for durability in real marine conditions. Salt spray, bilge humidity, and long running hours won’t shake it loose or eat it alive. Once installed, it’s one of those parts you forget about—because it simply works.\u003c\/p\u003e\n\u003chr data-start=\"2782\" data-end=\"2785\"\u003e\n\u003ch3 data-start=\"2787\" data-end=\"2805\"\u003eWhy Buy OEM\u003c\/h3\u003e\n\u003cp data-start=\"2807\" data-end=\"2917\"\u003eChoosing a genuine Mercury Marine part isn’t about buying a name—it’s about protecting the engine you rely on.\u003c\/p\u003e\n\u003cp data-start=\"2919\" data-end=\"2937\"\u003eWith OEM, you get:\u003c\/p\u003e\n\u003cul data-start=\"2939\" data-end=\"3246\"\u003e\n\u003cli data-start=\"2939\" data-end=\"3002\"\u003e\n\u003cp data-start=\"2941\" data-end=\"3002\"\u003eComponents engineered specifically for MPI ignition systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3003\" data-end=\"3059\"\u003e\n\u003cp data-start=\"3005\" data-end=\"3059\"\u003eLonger service life compared to generic alternatives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3060\" data-end=\"3113\"\u003e\n\u003cp data-start=\"3062\" data-end=\"3113\"\u003eProper alignment and fitment right out of the box\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3114\" data-end=\"3184\"\u003e\n\u003cp data-start=\"3116\" data-end=\"3184\"\u003eMaterials that resist marine corrosion and electrical interference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3185\" data-end=\"3246\"\u003e\n\u003cp data-start=\"3187\" data-end=\"3246\"\u003eConfidence that your ignition timing stays clean and true\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3248\" data-end=\"3378\"\u003eIt’s the kind of part seasoned boaters recommend because they’ve learned the hard way that ignition isn’t something you gamble on.\u003c\/p\u003e\n\u003chr data-start=\"3380\" data-end=\"3383\"\u003e\n\u003ch3 data-start=\"3385\" data-end=\"3395\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"3397\" data-end=\"3536\"\u003e\u003cstrong data-start=\"3397\" data-end=\"3453\"\u003eQ1: Which engines does this distributor cap kit fit?\u003c\/strong\u003e\u003cbr data-start=\"3453\" data-end=\"3456\"\u003eIt fits MerCruiser 5.0L, 5.7L, and 6.2L MPI engines with ECM 555 from 2001–2015.\u003c\/p\u003e\n\u003cp data-start=\"3538\" data-end=\"3722\"\u003e\u003cstrong data-start=\"3538\" data-end=\"3589\"\u003eQ2: What sets this apart from aftermarket caps?\u003c\/strong\u003e\u003cbr data-start=\"3589\" data-end=\"3592\"\u003eThe composite body, brass terminals, and RFI-resistant design match Mercury’s exact ignition standards—aftermarket caps rarely do.\u003c\/p\u003e\n\u003cp data-start=\"3724\" data-end=\"3916\"\u003e\u003cstrong data-start=\"3724\" data-end=\"3785\"\u003eQ3: How do I know if this is the right cap for my engine?\u003c\/strong\u003e\u003cbr data-start=\"3785\" data-end=\"3788\"\u003eCheck your serial number and ECM type. If you’re within the listed range and running MPI with ECM 555, this is the correct part.\u003c\/p\u003e\n\u003cp data-start=\"3918\" data-end=\"4092\"\u003e\u003cstrong data-start=\"3918\" data-end=\"3985\"\u003eQ4: Can I use it in both freshwater and saltwater environments?\u003c\/strong\u003e\u003cbr data-start=\"3985\" data-end=\"3988\"\u003eYes. The materials are made to handle corrosion, humidity, and temperature swings in any marine setting.\u003c\/p\u003e\n\u003cp data-start=\"4094\" data-end=\"4210\"\u003e\u003cstrong data-start=\"4094\" data-end=\"4125\"\u003eQ5: Is installation simple?\u003c\/strong\u003e\u003cbr data-start=\"4125\" data-end=\"4128\"\u003eMost boat owners with basic mechanical experience can install it in under an hour.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626597179683,"sku":"8M0061335","price":118.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0061335_main.jpg?v=1760631331"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-mcm-4-3l-mpi-898253t28","title":"Mercury – Distributor Cap Kit | Ignition System Component | PBT\/PET Composite \u0026 Brass Inserts | 898253T28","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Distributor Cap Kit | Ignition System Component | PBT\/PET Composite \u0026amp; Brass Inserts | 898253T28\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e When you turn the key on a MerCruiser 4.3L MPI, you expect that clean, confident spark that brings the engine to life fast, smooth, and steady. But as every boater knows, ignition components age quietly. You may not notice the slow decline until the idle gets a little rough or the engine hesitates under load. The Quicksilver 898253T28 Distributor Cap Kit restores that crisp ignition feel your boat had when it was new. It’s the kind of maintenance part that gives you peace of mind on the water, whether you’re easing out for a sunset cruise or pushing toward your favorite cove with family onboard.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser 4.3L Multi-Point Electronic Fuel Injection (MPI) engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes distributor cap and matching components for proper replacement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMade from a durable PBT\/PET composite blend to resist heat and warpage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSolid brass inserts provide dependable conductivity and long service life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to reduce radio frequency interference with onboard electronics\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt to Mercury Marine OEM specifications for exact fit and performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with MerCruiser 4.3L MPI sterndrive and inboard engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCommon on:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBowriders and runabouts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFamily cruisers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWatersports boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSmaller cabin cruisers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eGeneral-purpose recreational boats\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with ignition systems requiring the OEM kit part number 898253T28\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A distributor cap may not be the flashiest part in your engine bay, but when it’s fresh, the difference is unmistakable. This Quicksilver cap kit is built from a combination of PBT and PET plastics materials chosen specifically for their resistance to heat, vibration, and engine-bay humidity. That means no warping, no softening, and no hairline cracks that can cause misfires or weak spark delivery over time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInside, the solid brass terminals offer excellent conductivity and hold up far better than cheaper alloys. They resist corrosion, electrical pitting, and moisture all common culprits of inconsistent spark. When paired with a properly maintained rotor and ignition system, the kit helps your engine fire cleanly and stay balanced across all cylinders.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAnother real-world benefit boaters appreciate is the reduced interference with electronics. Depth finders, radios, charts, and sonar can all be affected by poor ignition shielding. This OEM cap kit helps keep those signals clean, letting your equipment perform the way it should.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReplacing an aging distributor cap often results in immediate improvements: quicker starts, smoother acceleration, quieter idle, and more consistent tone at cruising speeds. It’s a small job with a noticeable impact on how the boat feels under your hands.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OE\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Ignition timing and spark delivery demand precision. Aftermarket caps can look similar, but the materials, molding accuracy, and internal spacing rarely match Mercury’s requirements. An OEM kit like the Quicksilver 898253T28 ensures proper fit, proper firing order alignment, and long-term durability in the marine environmen\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003et. Experienced boaters trust OEM because it works right the first time and keeps the engine performing at its best — without the guesswork.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does this distributor cap kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser 4.3L MPI engines. Always confirm with your owner’s manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this different from aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Higher-grade composite material, brass inserts, and OEM-level interference control provide better reliability and spark consistency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know this is the correct replacement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your ignition system and engine model to part number 898253T28.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this be used in saltwater applications?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the materials resist corrosion, moisture, and thermal stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most owners with basic tools can handle the job by following standard MPI ignition replacement steps.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935505273123,"sku":"898253T28","price":117.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/898253t28_main.jpg?v=1760631333"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-gm-v-6-engines-with-delco-hei-ignition-850484t3","title":"Mercury – Distributor Cap and Rotor Kit | Marinized V6 Engines by GM | Delco HEI Ignition | 850484T3","description":"\u003ch3 data-start=\"0\" data-end=\"120\"\u003e\u003cstrong data-start=\"4\" data-end=\"120\"\u003eMercury – Distributor Cap and Rotor Kit | Marinized V6 Engines by GM | Delco HEI Ignition | 850484T3\u003c\/strong\u003e\u003c\/h3\u003e\n\u003chr data-start=\"122\" data-end=\"125\"\u003e\n\u003ch3 data-start=\"127\" data-end=\"143\"\u003e\u003cstrong data-start=\"131\" data-end=\"143\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"145\" data-end=\"491\"\u003eEvery boater knows that smooth starts and steady power depend on one thing — reliable ignition. The \u003cstrong data-start=\"245\" data-end=\"307\"\u003eMercury Quicksilver 850484T3 Distributor Cap and Rotor Kit\u003c\/strong\u003e is the quiet hero behind that confidence. It’s the part that keeps your MerCruiser V6 engine firing clean and consistent, trip after trip, no matter the weather or water conditions.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"822\"\u003eIf you’ve ever heard that satisfying growl of a tuned MerCruiser engine, you know what this kit helps preserve — that seamless connection between key and throttle. Built for marinized General Motors V6 engines with Delco HEI ignition systems, it’s engineered for the kind of dependable spark you can count on season after season.\u003c\/p\u003e\n\u003chr data-start=\"824\" data-end=\"827\"\u003e\n\u003ch3 data-start=\"829\" data-end=\"849\"\u003e\u003cstrong data-start=\"833\" data-end=\"849\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"851\" data-end=\"1406\"\u003e\n\u003cli data-start=\"851\" data-end=\"955\"\u003e\n\u003cp data-start=\"853\" data-end=\"955\"\u003eComplete \u003cstrong data-start=\"862\" data-end=\"895\"\u003edistributor cap and rotor kit\u003c\/strong\u003e for V6 MerCruiser engines with Delco HEI ignition systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"956\" data-end=\"1066\"\u003e\n\u003cp data-start=\"958\" data-end=\"1066\"\u003eCap constructed from a durable blend of \u003cstrong data-start=\"998\" data-end=\"1022\"\u003ePBT and PET plastics\u003c\/strong\u003e for superior strength and heat resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1067\" data-end=\"1159\"\u003e\n\u003cp data-start=\"1069\" data-end=\"1159\"\u003e\u003cstrong data-start=\"1069\" data-end=\"1092\"\u003eSolid brass inserts\u003c\/strong\u003e deliver clean electrical contact and resist corrosion or pitting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1160\" data-end=\"1240\"\u003e\n\u003cp data-start=\"1162\" data-end=\"1240\"\u003eDesigned to minimize \u003cstrong data-start=\"1183\" data-end=\"1203\"\u003eRFI interference\u003c\/strong\u003e with sensitive onboard electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1241\" data-end=\"1321\"\u003e\n\u003cp data-start=\"1243\" data-end=\"1321\"\u003eHigh \u003cstrong data-start=\"1248\" data-end=\"1276\"\u003estrength-to-weight ratio\u003c\/strong\u003e helps prevent thermal cracking and warpage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1322\" data-end=\"1406\"\u003e\n\u003cp data-start=\"1324\" data-end=\"1406\"\u003eMeets \u003cstrong data-start=\"1330\" data-end=\"1362\"\u003eMercury Marine OEM standards\u003c\/strong\u003e for precision fit and lasting reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1408\" data-end=\"1411\"\u003e\n\u003ch3 data-start=\"1413\" data-end=\"1448\"\u003e\u003cstrong data-start=\"1417\" data-end=\"1448\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1450\" data-end=\"1823\"\u003e\n\u003cli data-start=\"1450\" data-end=\"1521\"\u003e\n\u003cp data-start=\"1452\" data-end=\"1521\"\u003eFits \u003cstrong data-start=\"1457\" data-end=\"1492\"\u003emarinized V6 MerCruiser engines\u003c\/strong\u003e made by \u003cstrong data-start=\"1501\" data-end=\"1519\"\u003eGeneral Motors\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1522\" data-end=\"1591\"\u003e\n\u003cp data-start=\"1524\" data-end=\"1591\"\u003eDesigned for engines equipped with \u003cstrong data-start=\"1559\" data-end=\"1589\"\u003eDelco HEI ignition systems\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1592\" data-end=\"1672\"\u003e\n\u003cp data-start=\"1594\" data-end=\"1672\"\u003eCompatible with a wide range of \u003cstrong data-start=\"1626\" data-end=\"1663\"\u003eMerCruiser sterndrive and inboard\u003c\/strong\u003e models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1673\" data-end=\"1752\"\u003e\n\u003cp data-start=\"1675\" data-end=\"1752\"\u003eIdeal for \u003cstrong data-start=\"1685\" data-end=\"1722\"\u003erunabouts, cruisers, cabin boats,\u003c\/strong\u003e and \u003cstrong data-start=\"1727\" data-end=\"1750\"\u003esport fishing boats\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1753\" data-end=\"1823\"\u003e\n\u003cp data-start=\"1755\" data-end=\"1823\"\u003eSuitable for both \u003cstrong data-start=\"1773\" data-end=\"1801\"\u003esaltwater and freshwater\u003c\/strong\u003e marine environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1825\" data-end=\"1828\"\u003e\n\u003ch3 data-start=\"1830\" data-end=\"1870\"\u003e\u003cstrong data-start=\"1834\" data-end=\"1870\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1872\" data-end=\"2204\"\u003eThe \u003cstrong data-start=\"1876\" data-end=\"1930\"\u003eQuicksilver 850484T3 Distributor Cap and Rotor Kit\u003c\/strong\u003e brings balance and consistency back to your ignition system. Every spark matters — and this OEM kit ensures each one fires exactly when it should. The result? A smoother idle, stronger acceleration, and that reassuring sense of control when you push the throttle forward.\u003c\/p\u003e\n\u003cp data-start=\"2206\" data-end=\"2630\"\u003eThe rotor and cap are designed to handle the harsh marine environment, where heat, humidity, and vibration test every component. With corrosion-resistant brass inserts and high-temperature plastics, this kit resists cracking, warping, and electrical pitting. You’ll notice how effortlessly your engine starts and how cleanly it holds power under load — that’s what happens when your ignition system is running at its best.\u003c\/p\u003e\n\u003cp data-start=\"2632\" data-end=\"2891\"\u003eInstallation is straightforward, and the fit is exact. You won’t have to fight with alignment or wonder if it’s seating correctly. Once it’s in, it stays snug and secure, performing quietly in the background so you can focus on what matters — the water ahead.\u003c\/p\u003e\n\u003chr data-start=\"2893\" data-end=\"2896\"\u003e\n\u003ch3 data-start=\"2898\" data-end=\"2917\"\u003e\u003cstrong data-start=\"2902\" data-end=\"2917\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2919\" data-end=\"3252\"\u003eBuying genuine \u003cstrong data-start=\"2934\" data-end=\"2958\"\u003eMercury Marine parts\u003c\/strong\u003e is about making smart, seasoned choices. When you go with OEM, you’re not just replacing a part — you’re preserving the performance and longevity of your entire engine. Aftermarket caps and rotors may look similar, but they rarely match the quality of Mercury’s materials, fit, or precision.\u003c\/p\u003e\n\u003cp data-start=\"3254\" data-end=\"3628\"\u003eThis \u003cstrong data-start=\"3259\" data-end=\"3283\"\u003epart number 850484T3\u003c\/strong\u003e kit is designed specifically for your engine’s ignition system. It eliminates the guesswork, ensures clean spark distribution, and helps protect your engine from misfires or uneven wear. For boaters who care about reliability and long-term performance, OEM isn’t a luxury — it’s a necessity. Once installed, you’ll know you made the right call.\u003c\/p\u003e\n\u003chr data-start=\"3630\" data-end=\"3633\"\u003e\n\u003ch3 data-start=\"3635\" data-end=\"3646\"\u003e\u003cstrong data-start=\"3639\" data-end=\"3646\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3648\" data-end=\"3843\"\u003e\u003cstrong data-start=\"3648\" data-end=\"3732\"\u003eQ1: Which Mercury engines or systems does the Distributor Cap and Rotor Kit fit?\u003c\/strong\u003e\u003cbr data-start=\"3732\" data-end=\"3735\"\u003eIt fits \u003cstrong data-start=\"3743\" data-end=\"3778\"\u003emarinized V6 MerCruiser engines\u003c\/strong\u003e built by \u003cstrong data-start=\"3788\" data-end=\"3806\"\u003eGeneral Motors\u003c\/strong\u003e with \u003cstrong data-start=\"3812\" data-end=\"3842\"\u003eDelco HEI ignition systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3845\" data-end=\"4063\"\u003e\u003cstrong data-start=\"3845\" data-end=\"3914\"\u003eQ2: What makes this part different from aftermarket alternatives?\u003c\/strong\u003e\u003cbr data-start=\"3914\" data-end=\"3917\"\u003eMercury’s OEM design uses heat-resistant plastics and brass inserts that outperform cheaper materials, ensuring longevity and consistent ignition.\u003c\/p\u003e\n\u003cp data-start=\"4065\" data-end=\"4271\"\u003e\u003cstrong data-start=\"4065\" data-end=\"4135\"\u003eQ3: How do I know if this is the correct replacement for my setup?\u003c\/strong\u003e\u003cbr data-start=\"4135\" data-end=\"4138\"\u003eCheck your service manual for \u003cstrong data-start=\"4168\" data-end=\"4192\"\u003epart number 850484T3\u003c\/strong\u003e. If you have a V6 MerCruiser with a Delco HEI ignition, this is the right fit.\u003c\/p\u003e\n\u003cp data-start=\"4273\" data-end=\"4441\"\u003e\u003cstrong data-start=\"4273\" data-end=\"4344\"\u003eQ4: Can this be used in both saltwater and freshwater applications?\u003c\/strong\u003e\u003cbr data-start=\"4344\" data-end=\"4347\"\u003eYes — it’s built with corrosion-resistant materials specifically tested for both environments.\u003c\/p\u003e\n\u003cp data-start=\"4443\" data-end=\"4614\"\u003e\u003cstrong data-start=\"4443\" data-end=\"4504\"\u003eQ5: Is installation straightforward for most boat owners?\u003c\/strong\u003e\u003cbr data-start=\"4504\" data-end=\"4507\"\u003eYes. It installs easily with standard tools, fitting precisely into place for quick, confident replacement.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935894982947,"sku":"850484T3","price":50.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/850484t3_main.jpg?v=1760631240"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-gm-v-8-engines-with-thunderbolt-iv-v-hei-ignitions-815407t5","title":"Mercury – 815407T5 Ignition Rotor and Cap Kit | V6 GM MerCruiser Engines | Thunderbolt IV \u0026 V HEI Ignition | 815407T5","description":"\u003cp data-start=\"0\" data-end=\"123\"\u003e\u003cstrong data-start=\"0\" data-end=\"121\"\u003eMercury – 815407T5 Ignition Rotor and Cap Kit | V6 GM MerCruiser Engines | Thunderbolt IV \u0026amp; V HEI Ignition | 815407T5\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"125\" data-end=\"128\"\u003e\n\u003ch3 data-start=\"130\" data-end=\"148\"\u003e\u003cstrong data-start=\"134\" data-end=\"146\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"149\" data-end=\"543\"\u003eWhen your engine lights up instantly and runs smooth from idle to plane, you’re hearing the sound of a healthy ignition system. The \u003cstrong data-start=\"281\" data-end=\"328\"\u003eMercury 815407T5 Ignition Rotor and Cap Kit\u003c\/strong\u003e helps keep it that way. Built for \u003cstrong data-start=\"363\" data-end=\"407\"\u003emarinized GM-based V6 MerCruiser engines\u003c\/strong\u003e with \u003cstrong data-start=\"413\" data-end=\"458\"\u003eThunderbolt IV and V HEI ignition systems\u003c\/strong\u003e, this kit restores strong, consistent spark delivery and smooth throttle response.\u003c\/p\u003e\n\u003cp data-start=\"545\" data-end=\"782\"\u003eSalt air, vibration, and heat can wear down the ignition cap and rotor over time. This genuine Mercury kit replaces both, giving your engine the crisp, even spark it needs to run its best — without radio interference or timing hiccups.\u003c\/p\u003e\n\u003chr data-start=\"784\" data-end=\"787\"\u003e\n\u003ch3 data-start=\"789\" data-end=\"811\"\u003e\u003cstrong data-start=\"793\" data-end=\"809\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"814\" data-end=\"929\"\u003e\n\u003cstrong data-start=\"814\" data-end=\"826\"\u003ePurpose:\u003c\/strong\u003e Replaces worn or corroded ignition cap and rotor to restore steady spark and dependable performance.\u003c\/li\u003e\n\u003cli data-start=\"932\" data-end=\"1050\"\u003e\n\u003cstrong data-start=\"932\" data-end=\"944\"\u003eFitment:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"958\" data-end=\"996\"\u003emarinized GM V6 MerCruiser engines\u003c\/strong\u003e with \u003cstrong data-start=\"1002\" data-end=\"1047\"\u003eThunderbolt IV and V HEI ignition systems\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1053\" data-end=\"1169\"\u003e\n\u003cstrong data-start=\"1053\" data-end=\"1070\"\u003eKit Contents:\u003c\/strong\u003e Includes a \u003cstrong data-start=\"1082\" data-end=\"1139\"\u003edistributor cap, gasket, and coated brass rotor blade\u003c\/strong\u003e for a complete replacement.\u003c\/li\u003e\n\u003cli data-start=\"1172\" data-end=\"1295\"\u003e\n\u003cstrong data-start=\"1172\" data-end=\"1189\"\u003eConstruction:\u003c\/strong\u003e Rotor and contacts coated to resist \u003cstrong data-start=\"1226\" data-end=\"1246\"\u003eRFI interference\u003c\/strong\u003e and electrical pitting in marine environments.\u003c\/li\u003e\n\u003cli data-start=\"1298\" data-end=\"1401\"\u003e\n\u003cstrong data-start=\"1298\" data-end=\"1314\"\u003eOEM Quality:\u003c\/strong\u003e Built to \u003cstrong data-start=\"1324\" data-end=\"1356\"\u003eMercury Marine factory specs\u003c\/strong\u003e for perfect fit and long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1403\" data-end=\"1406\"\u003e\n\u003ch3 data-start=\"1408\" data-end=\"1445\"\u003e\u003cstrong data-start=\"1412\" data-end=\"1443\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1448\" data-end=\"1503\"\u003eGM-based V6 MerCruiser sterndrive and inboard engines\u003c\/li\u003e\n\u003cli data-start=\"1506\" data-end=\"1549\"\u003eThunderbolt IV and V HEI ignition systems\u003c\/li\u003e\n\u003cli data-start=\"1552\" data-end=\"1615\"\u003eCommon on cruisers, runabouts, and mid-size performance boats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1617\" data-end=\"1620\"\u003e\n\u003ch3 data-start=\"1622\" data-end=\"1664\"\u003e\u003cstrong data-start=\"1626\" data-end=\"1662\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1665\" data-end=\"1947\"\u003eThe \u003cstrong data-start=\"1669\" data-end=\"1681\"\u003e815407T5\u003c\/strong\u003e kit helps your engine fire up cleanly and run smoother throughout the RPM range. The brass rotor blade and terminals provide sharp, consistent spark delivery, while the coated contacts minimize RFI interference — so your GPS, radios, and sound systems stay clear.\u003c\/p\u003e\n\u003cp data-start=\"1949\" data-end=\"2257\"\u003eReplacing a worn cap and rotor can eliminate rough idle, misfires, and hesitation when accelerating. Once installed, you’ll notice easier starts, a steadier tone at cruise, and better reliability every time you hit the water. It’s a small maintenance job with a big payoff in performance and peace of mind.\u003c\/p\u003e\n\u003chr data-start=\"2259\" data-end=\"2262\"\u003e\n\u003ch3 data-start=\"2264\" data-end=\"2285\"\u003e\u003cstrong data-start=\"2268\" data-end=\"2283\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2286\" data-end=\"2532\"\u003eMercury OEM ignition parts are purpose-built for marine duty — constant heat, vibration, and moisture that would quickly wear down automotive parts. Each cap and rotor is made to exact tolerances, ensuring proper fit, sealing, and spark timing.\u003c\/p\u003e\n\u003cp data-start=\"2534\" data-end=\"2775\"\u003eAftermarket kits often use lower-grade materials or looser tolerances that lead to poor spark quality and early failure. With Mercury, you’re getting a proven design that’s been tested in saltwater, heat, and real-world boating conditions.\u003c\/p\u003e\n\u003chr data-start=\"2777\" data-end=\"2780\"\u003e\n\u003ch3 data-start=\"2782\" data-end=\"2795\"\u003e\u003cstrong data-start=\"2786\" data-end=\"2793\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2796\" data-end=\"2955\"\u003e\u003cstrong data-start=\"2796\" data-end=\"2847\"\u003eQ1: What engines does the Mercury 815407T5 fit?\u003c\/strong\u003e\u003cbr data-start=\"2847\" data-end=\"2850\"\u003eA: It’s made for \u003cstrong data-start=\"2867\" data-end=\"2901\"\u003eV6 GM-based MerCruiser engines\u003c\/strong\u003e with \u003cstrong data-start=\"2907\" data-end=\"2952\"\u003eThunderbolt IV and V HEI ignition systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2957\" data-end=\"3083\"\u003e\u003cstrong data-start=\"2957\" data-end=\"2987\"\u003eQ2: What comes in the box?\u003c\/strong\u003e\u003cbr data-start=\"2987\" data-end=\"2990\"\u003eA: One \u003cstrong data-start=\"2997\" data-end=\"3016\"\u003edistributor cap\u003c\/strong\u003e, one \u003cstrong data-start=\"3022\" data-end=\"3031\"\u003erotor\u003c\/strong\u003e, and one \u003cstrong data-start=\"3041\" data-end=\"3051\"\u003egasket\u003c\/strong\u003e — all OEM Mercury components.\u003c\/p\u003e\n\u003cp data-start=\"3085\" data-end=\"3255\"\u003e\u003cstrong data-start=\"3085\" data-end=\"3132\"\u003eQ3: Will it reduce electronic interference?\u003c\/strong\u003e\u003cbr data-start=\"3132\" data-end=\"3135\"\u003eA: Yes. The coated rotor and brass contacts are designed to \u003cstrong data-start=\"3195\" data-end=\"3222\"\u003eresist RFI interference\u003c\/strong\u003e with your onboard electronics.\u003c\/p\u003e\n\u003cp data-start=\"3257\" data-end=\"3409\"\u003e\u003cstrong data-start=\"3257\" data-end=\"3290\"\u003eQ4: Is it good for saltwater?\u003c\/strong\u003e\u003cbr data-start=\"3290\" data-end=\"3293\"\u003eA: Absolutely. The materials and coatings are engineered for marine environments, preventing corrosion and arcing.\u003c\/p\u003e\n\u003cp data-start=\"3411\" data-end=\"3570\"\u003e\u003cstrong data-start=\"3411\" data-end=\"3464\"\u003eQ5: How often should I replace the cap and rotor?\u003c\/strong\u003e\u003cbr data-start=\"3464\" data-end=\"3467\"\u003eA: Inspect every 100 hours or annually. Replace if you notice corrosion, pitting, or ignition issues.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936159519011,"sku":"815407T5","price":45.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/815407t5_main.jpg?v=1760631223"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-gm-v-6-engines-with-thunderbolt-iv-v-hei-ignitions-815407q5","title":"Mercury – Quicksilver 815407Q5 Distributor Cap Kit | V6 GM MerCruiser Engines | Thunderbolt IV \u0026 V HEI Ignition | 815407Q5","description":"\u003cp data-start=\"0\" data-end=\"128\"\u003e\u003cstrong data-start=\"0\" data-end=\"126\"\u003eMercury – Quicksilver 815407Q5 Distributor Cap Kit | V6 GM MerCruiser Engines | Thunderbolt IV \u0026amp; V HEI Ignition | 815407Q5\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"130\" data-end=\"133\"\u003e\n\u003ch3 data-start=\"135\" data-end=\"153\"\u003e\u003cstrong data-start=\"139\" data-end=\"151\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"154\" data-end=\"539\"\u003eA strong, even spark is what brings your MerCruiser engine to life — and keeps it running smooth all day long. The \u003cstrong data-start=\"269\" data-end=\"313\"\u003eQuicksilver 815407Q5 Distributor Cap Kit\u003c\/strong\u003e makes sure that spark stays clean, steady, and reliable. Designed for \u003cstrong data-start=\"384\" data-end=\"418\"\u003eV6 GM-based MerCruiser engines\u003c\/strong\u003e with \u003cstrong data-start=\"424\" data-end=\"468\"\u003eThunderbolt IV or V HEI ignition systems\u003c\/strong\u003e, this OEM kit includes both the cap and rotor built to factory spec.\u003c\/p\u003e\n\u003cp data-start=\"541\" data-end=\"818\"\u003eIt’s made for the real world of boating — heat, vibration, and constant exposure to moisture. When you swap in a new cap and rotor, you’ll notice easier starts, a smoother idle, and that solid, confident throttle response that tells you your ignition is dialed in just right.\u003c\/p\u003e\n\u003chr data-start=\"820\" data-end=\"823\"\u003e\n\u003ch3 data-start=\"825\" data-end=\"847\"\u003e\u003cstrong data-start=\"829\" data-end=\"845\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"850\" data-end=\"950\"\u003e\n\u003cstrong data-start=\"850\" data-end=\"862\"\u003ePurpose:\u003c\/strong\u003e Restores crisp spark timing and consistent ignition performance in V6 marine engines.\u003c\/li\u003e\n\u003cli data-start=\"953\" data-end=\"1058\"\u003e\n\u003cstrong data-start=\"953\" data-end=\"965\"\u003eFitment:\u003c\/strong\u003e For \u003cstrong data-start=\"970\" data-end=\"1004\"\u003eGM-based MerCruiser V6 engines\u003c\/strong\u003e using \u003cstrong data-start=\"1011\" data-end=\"1055\"\u003eThunderbolt IV or V HEI ignition systems\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1061\" data-end=\"1155\"\u003e\n\u003cstrong data-start=\"1061\" data-end=\"1075\"\u003eMaterials:\u003c\/strong\u003e Cap molded from a \u003cstrong data-start=\"1094\" data-end=\"1115\"\u003ePBT\/PET composite\u003c\/strong\u003e that resists warping and heat damage.\u003c\/li\u003e\n\u003cli data-start=\"1158\" data-end=\"1269\"\u003e\n\u003cstrong data-start=\"1158\" data-end=\"1180\"\u003eElectrical Design:\u003c\/strong\u003e \u003cstrong data-start=\"1181\" data-end=\"1206\"\u003eSolid brass terminals\u003c\/strong\u003e resist corrosion and pitting for a clean, stable spark path.\u003c\/li\u003e\n\u003cli data-start=\"1272\" data-end=\"1380\"\u003e\n\u003cstrong data-start=\"1272\" data-end=\"1287\"\u003eDurability:\u003c\/strong\u003e \u003cstrong data-start=\"1288\" data-end=\"1327\"\u003eHigh strength-to-weight ratio rotor\u003c\/strong\u003e resists cracking and holds timing under vibration.\u003c\/li\u003e\n\u003cli data-start=\"1383\" data-end=\"1496\"\u003e\n\u003cstrong data-start=\"1383\" data-end=\"1402\"\u003eRFI Protection:\u003c\/strong\u003e Built to reduce \u003cstrong data-start=\"1419\" data-end=\"1451\"\u003eradio frequency interference\u003c\/strong\u003e, keeping your electronics quiet and clear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1498\" data-end=\"1501\"\u003e\n\u003ch3 data-start=\"1503\" data-end=\"1540\"\u003e\u003cstrong data-start=\"1507\" data-end=\"1538\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1543\" data-end=\"1592\"\u003eV6 GM MerCruiser sterndrive and inboard engines\u003c\/li\u003e\n\u003cli data-start=\"1595\" data-end=\"1638\"\u003eThunderbolt IV and V HEI ignition systems\u003c\/li\u003e\n\u003cli data-start=\"1641\" data-end=\"1704\"\u003eCommon on bowriders, cruisers, and mid-size performance boats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1706\" data-end=\"1709\"\u003e\n\u003ch3 data-start=\"1711\" data-end=\"1753\"\u003e\u003cstrong data-start=\"1715\" data-end=\"1751\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1754\" data-end=\"2118\"\u003eWhen the ignition cap and rotor start to wear, the engine’s spark weakens — leading to hesitation, hard starts, and rough idle. The \u003cstrong data-start=\"1886\" data-end=\"1902\"\u003e815407Q5 kit\u003c\/strong\u003e solves that by restoring tight, corrosion-free contact points and proper spark spacing. The brass inserts deliver an even spark to every cylinder, while the composite housing stays stable under heat and vibration.\u003c\/p\u003e\n\u003cp data-start=\"2120\" data-end=\"2411\"\u003eYou’ll notice smoother acceleration, quicker starting, and cleaner running right away. The RFI-resistant design also helps keep your electronics — from depth finders to radios — free from interference. It’s a simple part that brings your engine’s performance right back where it should be.\u003c\/p\u003e\n\u003chr data-start=\"2413\" data-end=\"2416\"\u003e\n\u003ch3 data-start=\"2418\" data-end=\"2439\"\u003e\u003cstrong data-start=\"2422\" data-end=\"2437\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2440\" data-end=\"2676\"\u003eMercury’s OEM ignition parts are designed from the ground up for marine duty. They’re not repurposed automotive components — every detail, from the brass terminals to the resin mix, is chosen for long life in salt, heat, and humidity.\u003c\/p\u003e\n\u003cp data-start=\"2678\" data-end=\"2966\"\u003eAftermarket caps and rotors often look similar but tend to use softer metals or cheaper plastics that warp, crack, or corrode faster. With \u003cstrong data-start=\"2817\" data-end=\"2846\"\u003egenuine Quicksilver parts\u003c\/strong\u003e, you get the exact fit, performance, and dependability your engine was built around — no surprises, just reliability.\u003c\/p\u003e\n\u003chr data-start=\"2968\" data-end=\"2971\"\u003e\n\u003ch3 data-start=\"2973\" data-end=\"2986\"\u003e\u003cstrong data-start=\"2977\" data-end=\"2984\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2987\" data-end=\"3147\"\u003e\u003cstrong data-start=\"2987\" data-end=\"3037\"\u003eQ1: What engines fit the Quicksilver 815407Q5?\u003c\/strong\u003e\u003cbr data-start=\"3037\" data-end=\"3040\"\u003eA: It’s made for \u003cstrong data-start=\"3057\" data-end=\"3091\"\u003eV6 GM-based MerCruiser engines\u003c\/strong\u003e running \u003cstrong data-start=\"3100\" data-end=\"3144\"\u003eThunderbolt IV or V HEI ignition systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3149\" data-end=\"3255\"\u003e\u003cstrong data-start=\"3149\" data-end=\"3201\"\u003eQ2: Does the kit include both the cap and rotor?\u003c\/strong\u003e\u003cbr data-start=\"3201\" data-end=\"3204\"\u003eA: Yes, the \u003cstrong data-start=\"3216\" data-end=\"3228\"\u003e815407Q5\u003c\/strong\u003e kit includes both parts.\u003c\/p\u003e\n\u003cp data-start=\"3257\" data-end=\"3398\"\u003e\u003cstrong data-start=\"3257\" data-end=\"3298\"\u003eQ3: Is it suitable for saltwater use?\u003c\/strong\u003e\u003cbr data-start=\"3298\" data-end=\"3301\"\u003eA: Yes. The brass contacts and reinforced housing resist corrosion in both salt and freshwater.\u003c\/p\u003e\n\u003cp data-start=\"3400\" data-end=\"3548\"\u003e\u003cstrong data-start=\"3400\" data-end=\"3453\"\u003eQ4: How often should I replace the cap and rotor?\u003c\/strong\u003e\u003cbr data-start=\"3453\" data-end=\"3456\"\u003eA: Check annually or every 100 hours — replace if there’s corrosion, cracks, or misfiring.\u003c\/p\u003e\n\u003cp data-start=\"3550\" data-end=\"3712\"\u003e\u003cstrong data-start=\"3550\" data-end=\"3582\"\u003eQ5: Can I replace it myself?\u003c\/strong\u003e\u003cbr data-start=\"3582\" data-end=\"3585\"\u003eA: Definitely. It’s a straightforward job — just mark your wires, swap the parts, and torque to spec per your service manual.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936159617315,"sku":"815407Q5","price":41.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/815407q5_main.jpg?v=1760631221"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-gm-4-cylinder-engines-with-delco-est-ignition-811635q2","title":"Mercury – Quicksilver 811635Q2 Distributor Cap Kit | GM 4-Cylinder Engines | Delco EST Ignition | 811635Q2","description":"\u003cp data-start=\"0\" data-end=\"112\"\u003e\u003cstrong data-start=\"0\" data-end=\"110\"\u003eMercury – Quicksilver 811635Q2 Distributor Cap Kit | GM 4-Cylinder Engines | Delco EST Ignition | 811635Q2\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"114\" data-end=\"117\"\u003e\n\u003ch3 data-start=\"119\" data-end=\"137\"\u003e\u003cstrong data-start=\"123\" data-end=\"135\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"138\" data-end=\"460\"\u003eEvery boater knows that a reliable start sets the tone for the whole day. The \u003cstrong data-start=\"216\" data-end=\"260\"\u003eQuicksilver 811635Q2 Distributor Cap Kit\u003c\/strong\u003e helps keep that confidence alive. Designed for \u003cstrong data-start=\"308\" data-end=\"375\"\u003emarinized 4-cylinder GM engines with Delco EST ignition systems\u003c\/strong\u003e, this OEM kit includes both the cap and rotor — the heart of your ignition system.\u003c\/p\u003e\n\u003cp data-start=\"462\" data-end=\"709\"\u003eIt’s built to handle the tough stuff: heat, vibration, and moisture. Whether you’re idling out of the slip or running wide open across the bay, this kit keeps your spark clean and steady, so your engine fires up quick and runs strong every time.\u003c\/p\u003e\n\u003chr data-start=\"711\" data-end=\"714\"\u003e\n\u003ch3 data-start=\"716\" data-end=\"738\"\u003e\u003cstrong data-start=\"720\" data-end=\"736\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"741\" data-end=\"851\"\u003e\n\u003cstrong data-start=\"741\" data-end=\"753\"\u003ePurpose:\u003c\/strong\u003e Restores clean, consistent spark delivery for smooth starts and efficient ignition performance.\u003c\/li\u003e\n\u003cli data-start=\"854\" data-end=\"992\"\u003e\n\u003cstrong data-start=\"854\" data-end=\"866\"\u003eFitment:\u003c\/strong\u003e For \u003cstrong data-start=\"871\" data-end=\"927\"\u003e4-cylinder MerCruiser engines made by General Motors\u003c\/strong\u003e with \u003cstrong data-start=\"933\" data-end=\"989\"\u003eDelco EST (Electronic Spark Timing) ignition systems\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"995\" data-end=\"1142\"\u003e\n\u003cstrong data-start=\"995\" data-end=\"1012\"\u003eConstruction:\u003c\/strong\u003e Distributor cap molded from a \u003cstrong data-start=\"1043\" data-end=\"1064\"\u003ePBT\/PET composite\u003c\/strong\u003e for strength, heat resistance, and shape retention under marine conditions.\u003c\/li\u003e\n\u003cli data-start=\"1145\" data-end=\"1288\"\u003e\n\u003cstrong data-start=\"1145\" data-end=\"1171\"\u003eElectrical Components:\u003c\/strong\u003e \u003cstrong data-start=\"1172\" data-end=\"1195\"\u003eSolid brass inserts\u003c\/strong\u003e prevent corrosion and pitting, ensuring reliable electrical contact and long service life.\u003c\/li\u003e\n\u003cli data-start=\"1291\" data-end=\"1429\"\u003e\n\u003cstrong data-start=\"1291\" data-end=\"1312\"\u003eDesign Advantage:\u003c\/strong\u003e Rotor has a \u003cstrong data-start=\"1325\" data-end=\"1358\"\u003ehigh strength-to-weight ratio\u003c\/strong\u003e, built to resist cracking and maintain balance under thermal stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1431\" data-end=\"1434\"\u003e\n\u003ch3 data-start=\"1436\" data-end=\"1473\"\u003e\u003cstrong data-start=\"1440\" data-end=\"1471\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1476\" data-end=\"1527\"\u003eGM-based 4-cylinder MerCruiser sterndrive engines\u003c\/li\u003e\n\u003cli data-start=\"1530\" data-end=\"1558\"\u003eDelco EST ignition systems\u003c\/li\u003e\n\u003cli data-start=\"1561\" data-end=\"1629\"\u003eCommon on small runabouts, bowriders, and compact inboard cruisers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1631\" data-end=\"1634\"\u003e\n\u003ch3 data-start=\"1636\" data-end=\"1678\"\u003e\u003cstrong data-start=\"1640\" data-end=\"1676\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1679\" data-end=\"1982\"\u003eThe \u003cstrong data-start=\"1683\" data-end=\"1699\"\u003e811635Q2 kit\u003c\/strong\u003e gives your ignition system a fresh start. The brass terminals inside the cap maintain a strong, even electrical path, keeping the spark steady from idle to top end. The cap’s composite blend holds its shape when the engine bay heats up, preventing warping that can cause misfires.\u003c\/p\u003e\n\u003cp data-start=\"1984\" data-end=\"2340\"\u003eThe rotor is balanced and durable, keeping timing accurate under constant vibration. Together, they create a reliable spark path that helps your motor start quicker, idle smoother, and respond faster to throttle. If your current ignition setup shows wear, corrosion, or uneven performance, swapping in this OEM kit will make your engine feel sharp again.\u003c\/p\u003e\n\u003chr data-start=\"2342\" data-end=\"2345\"\u003e\n\u003ch3 data-start=\"2347\" data-end=\"2368\"\u003e\u003cstrong data-start=\"2351\" data-end=\"2366\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2369\" data-end=\"2632\"\u003eIgnition components live in a tough environment — heat, salt air, and constant movement. Mercury’s OEM parts are designed specifically for marine engines, not adapted from automotive parts. The result is better insulation, cleaner conductivity, and longer life.\u003c\/p\u003e\n\u003cp data-start=\"2634\" data-end=\"2935\"\u003eAftermarket parts might look similar, but looser tolerances or cheaper plastics can cause misalignment or corrosion over time. When you choose OEM, you get precision-built components tested in real marine conditions, ensuring they’ll perform exactly as your engine’s ignition system was designed to.\u003c\/p\u003e\n\u003chr data-start=\"2937\" data-end=\"2940\"\u003e\n\u003ch3 data-start=\"2942\" data-end=\"2955\"\u003e\u003cstrong data-start=\"2946\" data-end=\"2953\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2956\" data-end=\"3105\"\u003e\u003cstrong data-start=\"2956\" data-end=\"3006\"\u003eQ1: What engines fit the Quicksilver 811635Q2?\u003c\/strong\u003e\u003cbr data-start=\"3006\" data-end=\"3009\"\u003eA: It fits \u003cstrong data-start=\"3020\" data-end=\"3066\"\u003emarinized GM 4-cylinder MerCruiser engines\u003c\/strong\u003e with \u003cstrong data-start=\"3072\" data-end=\"3102\"\u003eDelco EST ignition systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3107\" data-end=\"3206\"\u003e\u003cstrong data-start=\"3107\" data-end=\"3142\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"3142\" data-end=\"3145\"\u003eA: The kit includes both the \u003cstrong data-start=\"3174\" data-end=\"3203\"\u003edistributor cap and rotor\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3208\" data-end=\"3364\"\u003e\u003cstrong data-start=\"3208\" data-end=\"3247\"\u003eQ3: Is this safe for saltwater use?\u003c\/strong\u003e\u003cbr data-start=\"3247\" data-end=\"3250\"\u003eA: Yes. The materials and brass contacts are corrosion-resistant and built for long life in marine environments.\u003c\/p\u003e\n\u003cp data-start=\"3366\" data-end=\"3530\"\u003e\u003cstrong data-start=\"3366\" data-end=\"3409\"\u003eQ4: Will it interfere with electronics?\u003c\/strong\u003e\u003cbr data-start=\"3409\" data-end=\"3412\"\u003eA: No. The cap is designed to resist \u003cstrong data-start=\"3449\" data-end=\"3469\"\u003eRFI interference\u003c\/strong\u003e, keeping GPS, radios, and onboard systems running clearly.\u003c\/p\u003e\n\u003cp data-start=\"3532\" data-end=\"3705\"\u003e\u003cstrong data-start=\"3532\" data-end=\"3585\"\u003eQ5: How often should I replace the cap and rotor?\u003c\/strong\u003e\u003cbr data-start=\"3585\" data-end=\"3588\"\u003eA: Inspect them every 100 hours or once a season, and replace if you notice corrosion, pitting, or starting issues.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936176296227,"sku":"811635Q2","price":23.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/811635q2_main.jpg?v=1760631210"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-gm-4-cylinder-engines-with-delco-est-ignition-811635k2","title":"Mercury – 811635K2 Distributor Cap and Rotor Kit | GM 3.0L 4-Cylinder Engines | Delco EST Ignition | 811635K2","description":"\u003cp data-start=\"0\" data-end=\"115\"\u003e\u003cstrong data-start=\"0\" data-end=\"113\"\u003eMercury – 811635K2 Distributor Cap and Rotor Kit | GM 3.0L 4-Cylinder Engines | Delco EST Ignition | 811635K2\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"117\" data-end=\"120\"\u003e\n\u003ch3 data-start=\"122\" data-end=\"140\"\u003e\u003cstrong data-start=\"126\" data-end=\"138\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"141\" data-end=\"465\"\u003eAnyone who’s spent time around boats knows how good it feels when your engine fires up right away — that quick spark, the smooth idle, the steady rhythm that tells you everything’s working like it should. The \u003cstrong data-start=\"350\" data-end=\"400\"\u003eMercury 811635K2 Distributor Cap and Rotor Kit\u003c\/strong\u003e helps keep that moment dependable every time you turn the key.\u003c\/p\u003e\n\u003cp data-start=\"467\" data-end=\"785\"\u003eBuilt for \u003cstrong data-start=\"477\" data-end=\"532\"\u003eGM 3.0L four-cylinder MerCruiser sterndrive engines\u003c\/strong\u003e running \u003cstrong data-start=\"541\" data-end=\"571\"\u003eDelco EST ignition systems\u003c\/strong\u003e, this kit replaces both the cap and rotor with factory-quality parts made to handle real marine use. Heat, vibration, and moisture don’t stand a chance — this setup is designed to last and keep your spark clean.\u003c\/p\u003e\n\u003chr data-start=\"787\" data-end=\"790\"\u003e\n\u003ch3 data-start=\"792\" data-end=\"814\"\u003e\u003cstrong data-start=\"796\" data-end=\"812\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"817\" data-end=\"908\"\u003e\n\u003cstrong data-start=\"817\" data-end=\"829\"\u003ePurpose:\u003c\/strong\u003e Replaces worn ignition components to keep spark timing crisp and consistent.\u003c\/li\u003e\n\u003cli data-start=\"911\" data-end=\"1053\"\u003e\n\u003cstrong data-start=\"911\" data-end=\"923\"\u003eFitment:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"937\" data-end=\"973\"\u003eGM-based 3.0L 4-cylinder engines\u003c\/strong\u003e with \u003cstrong data-start=\"979\" data-end=\"1001\"\u003eDelco EST ignition\u003c\/strong\u003e, including \u003cstrong data-start=\"1013\" data-end=\"1050\"\u003eMerCruiser 3.0L sterndrive models\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1056\" data-end=\"1181\"\u003e\n\u003cstrong data-start=\"1056\" data-end=\"1074\"\u003eBuild Quality:\u003c\/strong\u003e The cap is molded from a \u003cstrong data-start=\"1100\" data-end=\"1125\"\u003edurable PBT\/PET blend\u003c\/strong\u003e that won’t warp, crack, or distort under engine heat.\u003c\/li\u003e\n\u003cli data-start=\"1184\" data-end=\"1294\"\u003e\n\u003cstrong data-start=\"1184\" data-end=\"1208\"\u003eElectrical Contacts:\u003c\/strong\u003e \u003cstrong data-start=\"1209\" data-end=\"1234\"\u003eSolid brass terminals\u003c\/strong\u003e stand up to corrosion and keep the electrical flow clean.\u003c\/li\u003e\n\u003cli data-start=\"1297\" data-end=\"1415\"\u003e\n\u003cstrong data-start=\"1297\" data-end=\"1312\"\u003eDurability:\u003c\/strong\u003e Balanced strength-to-weight ratio gives it long life and resistance to vibration and thermal stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1417\" data-end=\"1420\"\u003e\n\u003ch3 data-start=\"1422\" data-end=\"1459\"\u003e\u003cstrong data-start=\"1426\" data-end=\"1457\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1462\" data-end=\"1509\"\u003eMerCruiser 3.0L 4-cylinder sterndrive engines\u003c\/li\u003e\n\u003cli data-start=\"1512\" data-end=\"1540\"\u003eDelco EST ignition systems\u003c\/li\u003e\n\u003cli data-start=\"1543\" data-end=\"1599\"\u003eUsed on smaller cruisers, bowriders, and fishing boats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1601\" data-end=\"1604\"\u003e\n\u003ch3 data-start=\"1606\" data-end=\"1648\"\u003e\u003cstrong data-start=\"1610\" data-end=\"1646\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1649\" data-end=\"1906\"\u003eA good ignition system doesn’t just start the engine — it sets the tone for how your day goes on the water. The \u003cstrong data-start=\"1761\" data-end=\"1773\"\u003e811635K2\u003c\/strong\u003e kit restores strong, even spark delivery, helping the engine start faster, idle smoother, and respond better when you throttle up.\u003c\/p\u003e\n\u003cp data-start=\"1908\" data-end=\"2303\"\u003eYou’ll feel the difference right away. The brass contacts don’t pit or corrode like cheaper versions, so the current stays steady. The housing material stays firm even after long hours of heat, preventing small misfires that can steal performance or fuel economy. And because it’s OEM, everything lines up perfectly — no trimming, no guessing, just a clean install and a confident first start.\u003c\/p\u003e\n\u003chr data-start=\"2305\" data-end=\"2308\"\u003e\n\u003ch3 data-start=\"2310\" data-end=\"2331\"\u003e\u003cstrong data-start=\"2314\" data-end=\"2329\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2332\" data-end=\"2645\"\u003eWith ignition parts, it’s not just about getting a spark — it’s about getting the \u003cem data-start=\"2414\" data-end=\"2421\"\u003eright\u003c\/em\u003e one. Mercury’s OEM components are built specifically for marine use, where heat, vibration, and moisture can ruin lower-quality parts. Every cap and rotor is tested under those conditions before it earns the Mercury name.\u003c\/p\u003e\n\u003cp data-start=\"2647\" data-end=\"2927\"\u003eAftermarket versions might save a few dollars, but they rarely match the tight tolerances or brass contact quality that OEM offers. When you go with genuine Mercury, you’re choosing something that’s already proven — something built to keep you off the dock and out on the water.\u003c\/p\u003e\n\u003chr data-start=\"2929\" data-end=\"2932\"\u003e\n\u003ch3 data-start=\"2934\" data-end=\"2947\"\u003e\u003cstrong data-start=\"2938\" data-end=\"2945\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2948\" data-end=\"3123\"\u003e\u003cstrong data-start=\"2948\" data-end=\"2999\"\u003eQ1: What engines does the Mercury 811635K2 fit?\u003c\/strong\u003e\u003cbr data-start=\"2999\" data-end=\"3002\"\u003eA: It fits \u003cstrong data-start=\"3013\" data-end=\"3043\"\u003eGM 3.0L 4-cylinder engines\u003c\/strong\u003e with \u003cstrong data-start=\"3049\" data-end=\"3071\"\u003eDelco EST ignition\u003c\/strong\u003e, including \u003cstrong data-start=\"3083\" data-end=\"3120\"\u003eMerCruiser 3.0L sterndrive models\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3125\" data-end=\"3252\"\u003e\u003cstrong data-start=\"3125\" data-end=\"3174\"\u003eQ2: Does this include both the cap and rotor?\u003c\/strong\u003e\u003cbr data-start=\"3174\" data-end=\"3177\"\u003eA: Yes. The kit includes both — ready to install straight out of the box.\u003c\/p\u003e\n\u003cp data-start=\"3254\" data-end=\"3409\"\u003e\u003cstrong data-start=\"3254\" data-end=\"3288\"\u003eQ3: Can I use it in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"3288\" data-end=\"3291\"\u003eA: Absolutely. The corrosion-resistant brass and durable plastic housing handle both salt and freshwater conditions.\u003c\/p\u003e\n\u003cp data-start=\"3411\" data-end=\"3541\"\u003e\u003cstrong data-start=\"3411\" data-end=\"3441\"\u003eQ4: Is it easy to install?\u003c\/strong\u003e\u003cbr data-start=\"3441\" data-end=\"3444\"\u003eA: Very. It’s a direct replacement for the factory part — no modification or adjustment needed.\u003c\/p\u003e\n\u003cp data-start=\"3543\" data-end=\"3694\"\u003e\u003cstrong data-start=\"3543\" data-end=\"3576\"\u003eQ5: When should I replace it?\u003c\/strong\u003e\u003cbr data-start=\"3576\" data-end=\"3579\"\u003eA: Check it every season or around every 100 hours of run time, especially if you notice misfires or hard starts.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936176623907,"sku":"811635K2","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/811635k_2.jpg?v=1761572347"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-1998-2015-gm-v-8-engines-with-delco-hei-ignition-808483k2","title":"Mercury – 808483K2 Distributor Cap and Rotor Kit | GM Marinized V8 Engines | Delco HEI Ignition | 808483K2","description":"\u003cp data-start=\"0\" data-end=\"112\"\u003e\u003cstrong data-start=\"0\" data-end=\"110\"\u003eMercury – 808483K2 Distributor Cap and Rotor Kit | GM Marinized V8 Engines | Delco HEI Ignition | 808483K2\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"114\" data-end=\"117\"\u003e\n\u003ch3 data-start=\"119\" data-end=\"137\"\u003e\u003cstrong data-start=\"123\" data-end=\"135\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"138\" data-end=\"480\"\u003eWhen you turn the key on a well-tuned MerCruiser, you can feel it — that instant spark, that steady rumble that lets you know the ignition system is doing its job. The \u003cstrong data-start=\"306\" data-end=\"356\"\u003eMercury 808483K2 Distributor Cap and Rotor Kit\u003c\/strong\u003e keeps that spark strong and reliable, delivering the consistency your V8 depends on every time you head out on the water.\u003c\/p\u003e\n\u003cp data-start=\"482\" data-end=\"861\"\u003eDesigned specifically for \u003cstrong data-start=\"508\" data-end=\"576\"\u003emarinized GM V8 engines equipped with Delco HEI ignition systems\u003c\/strong\u003e, this OEM Mercury kit restores the clean spark distribution your engine was built for. From early morning runs to long cruises, it’s made to handle heat, vibration, and moisture without breaking down or misfiring — just dependable, factory-grade ignition performance, day after day.\u003c\/p\u003e\n\u003chr data-start=\"863\" data-end=\"866\"\u003e\n\u003ch3 data-start=\"868\" data-end=\"890\"\u003e\u003cstrong data-start=\"872\" data-end=\"888\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"893\" data-end=\"1028\"\u003e\n\u003cstrong data-start=\"893\" data-end=\"905\"\u003ePurpose:\u003c\/strong\u003e Maintains proper spark timing and distribution in GM-based marine V8 engines for smooth starts and efficient combustion.\u003c\/li\u003e\n\u003cli data-start=\"1031\" data-end=\"1168\"\u003e\n\u003cstrong data-start=\"1031\" data-end=\"1043\"\u003eFitment:\u003c\/strong\u003e For \u003cstrong data-start=\"1048\" data-end=\"1075\"\u003emarinized GM V8 engines\u003c\/strong\u003e with \u003cstrong data-start=\"1081\" data-end=\"1111\"\u003eDelco HEI ignition systems\u003c\/strong\u003e commonly found in MerCruiser inboards and sterndrives.\u003c\/li\u003e\n\u003cli data-start=\"1171\" data-end=\"1293\"\u003e\n\u003cstrong data-start=\"1171\" data-end=\"1188\"\u003eConstruction:\u003c\/strong\u003e Cap molded from a \u003cstrong data-start=\"1207\" data-end=\"1228\"\u003ePBT\/PET composite\u003c\/strong\u003e for added strength, stiffness, and resistance to heat warpage.\u003c\/li\u003e\n\u003cli data-start=\"1296\" data-end=\"1442\"\u003e\n\u003cstrong data-start=\"1296\" data-end=\"1322\"\u003eElectrical Components:\u003c\/strong\u003e \u003cstrong data-start=\"1323\" data-end=\"1346\"\u003eSolid brass inserts\u003c\/strong\u003e provide clean conductivity, resisting corrosion and electrical pitting for long service life.\u003c\/li\u003e\n\u003cli data-start=\"1445\" data-end=\"1592\"\u003e\n\u003cstrong data-start=\"1445\" data-end=\"1465\"\u003eOEM Engineering:\u003c\/strong\u003e Designed, tested, and approved by \u003cstrong data-start=\"1500\" data-end=\"1518\"\u003eMercury Marine\u003c\/strong\u003e for precise fit, lasting durability, and reliable ignition performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1594\" data-end=\"1597\"\u003e\n\u003ch3 data-start=\"1599\" data-end=\"1636\"\u003e\u003cstrong data-start=\"1603\" data-end=\"1634\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1639\" data-end=\"1696\"\u003eMarinized GM V8 engines with Delco HEI ignition systems\u003c\/li\u003e\n\u003cli data-start=\"1699\" data-end=\"1763\"\u003eCommonly used in MerCruiser sterndrives and inboard powerboats\u003c\/li\u003e\n\u003cli data-start=\"1766\" data-end=\"1823\"\u003eSuitable for both freshwater and saltwater applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1825\" data-end=\"1828\"\u003e\n\u003ch3 data-start=\"1830\" data-end=\"1872\"\u003e\u003cstrong data-start=\"1834\" data-end=\"1870\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1873\" data-end=\"2252\"\u003eThe \u003cstrong data-start=\"1877\" data-end=\"1893\"\u003e808483K2 kit\u003c\/strong\u003e delivers the crisp, even spark your engine needs for consistent performance across the RPM range. Its precision-molded housing holds tight tolerances, keeping the rotor perfectly aligned for accurate spark timing. The \u003cstrong data-start=\"2112\" data-end=\"2137\"\u003esolid brass terminals\u003c\/strong\u003e ensure low resistance and excellent conductivity, even after long periods in damp or high-humidity environments.\u003c\/p\u003e\n\u003cp data-start=\"2254\" data-end=\"2518\"\u003eYou’ll notice easier starts, steadier idle, and cleaner acceleration — all signs that your ignition system is working efficiently. Whether you’re idling in the marina or pulling hard at wide-open throttle, this kit keeps your ignition system running at its best.\u003c\/p\u003e\n\u003chr data-start=\"2520\" data-end=\"2523\"\u003e\n\u003ch3 data-start=\"2525\" data-end=\"2546\"\u003e\u003cstrong data-start=\"2529\" data-end=\"2544\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2547\" data-end=\"2886\"\u003eWith ignition components, precision and materials matter. Mercury’s OEM distributor cap and rotor kits are engineered to handle marine heat cycles, vibration, and moisture that generic automotive parts can’t. The PBT\/PET blend resists deformation and cracking, while Mercury’s brass terminals outlast typical aluminum or coated contacts.\u003c\/p\u003e\n\u003cp data-start=\"2888\" data-end=\"3087\"\u003eChoosing OEM means getting parts that fit perfectly, perform flawlessly, and last longer — protecting your engine investment and ensuring it fires up reliably every time you’re ready to go boating.\u003c\/p\u003e\n\u003chr data-start=\"3089\" data-end=\"3092\"\u003e\n\u003ch3 data-start=\"3094\" data-end=\"3107\"\u003e\u003cstrong data-start=\"3098\" data-end=\"3105\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3108\" data-end=\"3298\"\u003e\u003cstrong data-start=\"3108\" data-end=\"3160\"\u003eQ1: Which engines does the Mercury 808483K2 fit?\u003c\/strong\u003e\u003cbr data-start=\"3160\" data-end=\"3163\"\u003eA: It’s made for \u003cstrong data-start=\"3180\" data-end=\"3207\"\u003emarinized GM V8 engines\u003c\/strong\u003e using \u003cstrong data-start=\"3214\" data-end=\"3244\"\u003eDelco HEI ignition systems\u003c\/strong\u003e, found in many MerCruiser inboards and sterndrives.\u003c\/p\u003e\n\u003cp data-start=\"3300\" data-end=\"3531\"\u003e\u003cstrong data-start=\"3300\" data-end=\"3360\"\u003eQ2: What’s the difference between 808483K1 and 808483K2?\u003c\/strong\u003e\u003cbr data-start=\"3360\" data-end=\"3363\"\u003eA: The \u003cstrong data-start=\"3370\" data-end=\"3382\"\u003e808483K1\u003c\/strong\u003e fits older GM\/MerCruiser V8s (1997 and earlier), while the \u003cstrong data-start=\"3442\" data-end=\"3454\"\u003e808483K2\u003c\/strong\u003e is designed for later marinized GM V8 applications with Delco HEI systems.\u003c\/p\u003e\n\u003cp data-start=\"3533\" data-end=\"3699\"\u003e\u003cstrong data-start=\"3533\" data-end=\"3571\"\u003eQ3: Can I install this kit myself?\u003c\/strong\u003e\u003cbr data-start=\"3571\" data-end=\"3574\"\u003eA: Yes. With basic tools and mechanical experience, most boat owners can replace the cap and rotor during routine tune-ups.\u003c\/p\u003e\n\u003cp data-start=\"3701\" data-end=\"3869\"\u003e\u003cstrong data-start=\"3701\" data-end=\"3747\"\u003eQ4: How long does this cap and rotor last?\u003c\/strong\u003e\u003cbr data-start=\"3747\" data-end=\"3750\"\u003eA: With proper maintenance, Mercury’s OEM components typically last several seasons before showing wear or corrosion.\u003c\/p\u003e\n\u003cp data-start=\"3871\" data-end=\"4053\"\u003e\u003cstrong data-start=\"3871\" data-end=\"3921\"\u003eQ5: Is this part suitable for saltwater boats?\u003c\/strong\u003e\u003cbr data-start=\"3921\" data-end=\"3924\"\u003eA: Absolutely. The corrosion-resistant materials are specifically engineered to handle saltwater and humid marine environments.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936185176355,"sku":"808483K2","price":79.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/808483K2_Main.jpg?v=1760631217"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-1997-older-gm-v-8-engines-with-delco-hei-ignition-808483k1","title":"Mercury – 808483K1 Ignition Cap and Rotor Kit | V8 GM \/ MerCruiser Engines | Delco Ignition | 808483K1","description":"\u003cp data-start=\"0\" data-end=\"108\"\u003e\u003cstrong data-start=\"0\" data-end=\"106\"\u003eMercury – 808483K1 Ignition Cap and Rotor Kit | V8 GM \/ MerCruiser Engines | Delco Ignition | 808483K1\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"110\" data-end=\"113\"\u003e\n\u003ch3 data-start=\"115\" data-end=\"133\"\u003e\u003cstrong data-start=\"119\" data-end=\"131\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"134\" data-end=\"476\"\u003eThere’s nothing quite like the sound of a V8 MerCruiser rumbling to life — crisp ignition, steady idle, and that deep, unmistakable tone that says everything’s running right. The \u003cstrong data-start=\"313\" data-end=\"360\"\u003eMercury 808483K1 Ignition Cap and Rotor Kit\u003c\/strong\u003e keeps that moment alive by ensuring consistent spark delivery and clean electrical contact across every cylinder.\u003c\/p\u003e\n\u003cp data-start=\"478\" data-end=\"823\"\u003eBuilt for \u003cstrong data-start=\"488\" data-end=\"563\"\u003e1997 and older GM\/MerCruiser V8 engines with Delco HEI ignition systems\u003c\/strong\u003e, this OEM kit delivers factory-grade reliability in one simple package. Whether you’re firing up after winter storage or chasing a smooth idle that never falters, this cap and rotor combo helps your engine start strong and stay strong — season after season.\u003c\/p\u003e\n\u003chr data-start=\"825\" data-end=\"828\"\u003e\n\u003ch3 data-start=\"830\" data-end=\"852\"\u003e\u003cstrong data-start=\"834\" data-end=\"850\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"855\" data-end=\"976\"\u003e\n\u003cstrong data-start=\"855\" data-end=\"867\"\u003ePurpose:\u003c\/strong\u003e Restores clean, consistent spark delivery for optimal ignition performance on older MerCruiser V8 engines.\u003c\/li\u003e\n\u003cli data-start=\"979\" data-end=\"1087\"\u003e\n\u003cstrong data-start=\"979\" data-end=\"991\"\u003eFitment:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"1005\" data-end=\"1048\"\u003e1997 and older GM\/MerCruiser V8 engines\u003c\/strong\u003e with \u003cstrong data-start=\"1054\" data-end=\"1084\"\u003eDelco HEI ignition systems\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1090\" data-end=\"1219\"\u003e\n\u003cstrong data-start=\"1090\" data-end=\"1107\"\u003eConstruction:\u003c\/strong\u003e Cap molded from a \u003cstrong data-start=\"1126\" data-end=\"1151\"\u003ePBT\/PET plastic blend\u003c\/strong\u003e for superior strength, stiffness, and resistance to heat warping.\u003c\/li\u003e\n\u003cli data-start=\"1222\" data-end=\"1365\"\u003e\n\u003cstrong data-start=\"1222\" data-end=\"1247\"\u003eElectrical Integrity:\u003c\/strong\u003e \u003cstrong data-start=\"1248\" data-end=\"1273\"\u003eSolid brass terminals\u003c\/strong\u003e resist corrosion and electrical pitting, ensuring a steady spark under marine conditions.\u003c\/li\u003e\n\u003cli data-start=\"1368\" data-end=\"1488\"\u003e\n\u003cstrong data-start=\"1368\" data-end=\"1383\"\u003eOEM Design:\u003c\/strong\u003e Factory-tested for precision fit and electrical performance to Mercury Marine’s strict specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1490\" data-end=\"1493\"\u003e\n\u003ch3 data-start=\"1495\" data-end=\"1532\"\u003e\u003cstrong data-start=\"1499\" data-end=\"1530\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1535\" data-end=\"1580\"\u003eV8 GM \/ MerCruiser engines (1997 and older)\u003c\/li\u003e\n\u003cli data-start=\"1583\" data-end=\"1611\"\u003eDelco HEI ignition systems\u003c\/li\u003e\n\u003cli data-start=\"1614\" data-end=\"1683\"\u003eCommon on inboard cruisers, classic runabouts, and sterndrive boats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1685\" data-end=\"1688\"\u003e\n\u003ch3 data-start=\"1690\" data-end=\"1732\"\u003e\u003cstrong data-start=\"1694\" data-end=\"1730\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1733\" data-end=\"2071\"\u003eThis cap and rotor kit brings your ignition system back to factory efficiency. The heavy-duty plastics prevent distortion from heat or vibration, keeping contacts aligned and secure. Brass inserts provide long-lasting conductivity that won’t corrode or pit like lesser materials, giving you crisp ignition and smoother idle performance.\u003c\/p\u003e\n\u003cp data-start=\"2073\" data-end=\"2370\"\u003eWhen paired with proper ignition wires and plugs, the 808483K1 helps reduce misfires, cold-start hesitation, and uneven power delivery. It’s the small, precision-built parts like this that keep older MerCruiser engines running like new — reliable, balanced, and ready every time you hit the key.\u003c\/p\u003e\n\u003chr data-start=\"2372\" data-end=\"2375\"\u003e\n\u003ch3 data-start=\"2377\" data-end=\"2398\"\u003e\u003cstrong data-start=\"2381\" data-end=\"2396\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2399\" data-end=\"2679\"\u003eMercury OEM ignition parts are built for one purpose: dependable spark under real-world marine conditions. Unlike generic aftermarket caps that may use lower-grade plastics or plated contacts, Mercury’s components are engineered for long-term stability and electrical integrity.\u003c\/p\u003e\n\u003cp data-start=\"2681\" data-end=\"2896\"\u003eWhen you buy OEM, you’re getting factory-level quality designed to last. That means fewer tune-ups, more consistent performance, and the kind of reliability that keeps your weekends on the water — not in the shop.\u003c\/p\u003e\n\u003chr data-start=\"2898\" data-end=\"2901\"\u003e\n\u003ch3 data-start=\"2903\" data-end=\"2916\"\u003e\u003cstrong data-start=\"2907\" data-end=\"2914\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2917\" data-end=\"3084\"\u003e\u003cstrong data-start=\"2917\" data-end=\"2969\"\u003eQ1: Which engines does the Mercury 808483K1 fit?\u003c\/strong\u003e\u003cbr data-start=\"2969\" data-end=\"2972\"\u003eA: It’s designed for \u003cstrong data-start=\"2993\" data-end=\"3036\"\u003e1997 and older GM\/MerCruiser V8 engines\u003c\/strong\u003e equipped with \u003cstrong data-start=\"3051\" data-end=\"3081\"\u003eDelco HEI ignition systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3086\" data-end=\"3320\"\u003e\u003cstrong data-start=\"3086\" data-end=\"3147\"\u003eQ2: What makes this kit better than aftermarket versions?\u003c\/strong\u003e\u003cbr data-start=\"3147\" data-end=\"3150\"\u003eA: Mercury’s cap and rotor use a \u003cstrong data-start=\"3183\" data-end=\"3208\"\u003ePBT\/PET plastic blend\u003c\/strong\u003e and \u003cstrong data-start=\"3213\" data-end=\"3236\"\u003esolid brass inserts\u003c\/strong\u003e, providing better durability and conductivity than most aftermarket alternatives.\u003c\/p\u003e\n\u003cp data-start=\"3322\" data-end=\"3485\"\u003e\u003cstrong data-start=\"3322\" data-end=\"3354\"\u003eQ3: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"3354\" data-end=\"3357\"\u003eA: Yes. If you’re comfortable performing standard ignition maintenance, installation is straightforward with basic hand tools.\u003c\/p\u003e\n\u003cp data-start=\"3487\" data-end=\"3663\"\u003e\u003cstrong data-start=\"3487\" data-end=\"3536\"\u003eQ4: Is this kit suitable for saltwater boats?\u003c\/strong\u003e\u003cbr data-start=\"3536\" data-end=\"3539\"\u003eA: Absolutely. The corrosion-resistant materials are designed for long life in both freshwater and saltwater environments.\u003c\/p\u003e\n\u003cp data-start=\"3665\" data-end=\"3864\"\u003e\u003cstrong data-start=\"3665\" data-end=\"3727\"\u003eQ5: How often should I replace the ignition cap and rotor?\u003c\/strong\u003e\u003cbr data-start=\"3727\" data-end=\"3730\"\u003eA: Mercury recommends inspecting and replacing them every 100 hours or annually for peak performance, depending on usage conditions.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936185241891,"sku":"808483K1","price":61.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/808483K1_MAIN.jpg?v=1760631220"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-1998-2015-gm-v-8-engines-with-delco-hei-ignition-808483q2","title":"Mercury – Quicksilver 808483Q2 Distributor Cap Kit | Marinized GM V8 Engines | Delco HEI Ignition | 808483Q2","description":"\u003cp data-start=\"0\" data-end=\"114\"\u003e\u003cstrong data-start=\"0\" data-end=\"112\"\u003eMercury – Quicksilver 808483Q2 Distributor Cap Kit | Marinized GM V8 Engines | Delco HEI Ignition | 808483Q2\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"116\" data-end=\"119\"\u003e\n\u003ch3 data-start=\"121\" data-end=\"139\"\u003e\u003cstrong data-start=\"125\" data-end=\"137\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"140\" data-end=\"606\"\u003eWhen you turn the key and that big V8 comes alive — quick spark, steady idle, and that deep note through the transom — you know your ignition system’s doing its job. The \u003cstrong data-start=\"310\" data-end=\"354\"\u003eQuicksilver 808483Q2 Distributor Cap Kit\u003c\/strong\u003e helps make that happen every single time. Built for \u003cstrong data-start=\"407\" data-end=\"498\"\u003e1998 and newer marinized GM-based MerCruiser V8 engines with Delco HEI ignition systems\u003c\/strong\u003e, this OEM-quality cap is made to take the heat, moisture, and vibration that come with real boating life.\u003c\/p\u003e\n\u003cp data-start=\"608\" data-end=\"897\"\u003eIt’s not the kind of part you brag about, but you’ll feel its difference every time you start your engine and it just fires right up. Consistent, reliable spark — that’s what keeps your boat running smooth, whether you’re trolling a quiet cove or pushing full throttle toward open water.\u003c\/p\u003e\n\u003chr data-start=\"899\" data-end=\"902\"\u003e\n\u003ch3 data-start=\"904\" data-end=\"926\"\u003e\u003cstrong data-start=\"908\" data-end=\"924\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"929\" data-end=\"1046\"\u003e\n\u003cstrong data-start=\"929\" data-end=\"941\"\u003ePurpose:\u003c\/strong\u003e Distributes spark evenly and reliably across all cylinders for smooth starts and efficient combustion.\u003c\/li\u003e\n\u003cli data-start=\"1049\" data-end=\"1157\"\u003e\n\u003cstrong data-start=\"1049\" data-end=\"1061\"\u003eFitment:\u003c\/strong\u003e For \u003cstrong data-start=\"1066\" data-end=\"1109\"\u003e1998 and newer GM V8 MerCruiser engines\u003c\/strong\u003e equipped with \u003cstrong data-start=\"1124\" data-end=\"1154\"\u003eDelco HEI ignition systems\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1160\" data-end=\"1291\"\u003e\n\u003cstrong data-start=\"1160\" data-end=\"1177\"\u003eConstruction:\u003c\/strong\u003e Durable \u003cstrong data-start=\"1186\" data-end=\"1207\"\u003ePBT\/PET composite\u003c\/strong\u003e shell that resists warping, cracking, and heat distortion under heavy marine use.\u003c\/li\u003e\n\u003cli data-start=\"1294\" data-end=\"1431\"\u003e\n\u003cstrong data-start=\"1294\" data-end=\"1320\"\u003eElectrical Components:\u003c\/strong\u003e \u003cstrong data-start=\"1321\" data-end=\"1346\"\u003eSolid brass terminals\u003c\/strong\u003e for consistent conductivity and corrosion resistance in harsh marine environments.\u003c\/li\u003e\n\u003cli data-start=\"1434\" data-end=\"1552\"\u003e\n\u003cstrong data-start=\"1434\" data-end=\"1455\"\u003eDesign Advantage:\u003c\/strong\u003e Engineered to reduce \u003cstrong data-start=\"1477\" data-end=\"1497\"\u003eRFI interference\u003c\/strong\u003e that can disrupt GPS, sonar, or onboard electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1554\" data-end=\"1557\"\u003e\n\u003ch3 data-start=\"1559\" data-end=\"1596\"\u003e\u003cstrong data-start=\"1563\" data-end=\"1594\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1599\" data-end=\"1644\"\u003eGM \/ MerCruiser V8 engines (1998 and newer)\u003c\/li\u003e\n\u003cli data-start=\"1647\" data-end=\"1675\"\u003eDelco HEI ignition systems\u003c\/li\u003e\n\u003cli data-start=\"1678\" data-end=\"1748\"\u003eCommon on inboard cruisers, sterndrive runabouts, and offshore boats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1750\" data-end=\"1753\"\u003e\n\u003ch3 data-start=\"1755\" data-end=\"1797\"\u003e\u003cstrong data-start=\"1759\" data-end=\"1795\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1798\" data-end=\"2151\"\u003eThe \u003cstrong data-start=\"1802\" data-end=\"1814\"\u003e808483Q2\u003c\/strong\u003e distributor cap is one of those simple parts that quietly makes everything better. The heavy-duty plastic blend holds its shape, even when the engine bay’s cooking hot, keeping the spark path stable and consistent. The \u003cstrong data-start=\"2034\" data-end=\"2057\"\u003esolid brass inserts\u003c\/strong\u003e deliver clean current from the rotor to the plugs, cutting down on misfires and weak spark.\u003c\/p\u003e\n\u003cp data-start=\"2153\" data-end=\"2508\"\u003eYou’ll notice the payoff in smoother starts, a steadier idle, and clean acceleration across the RPM range. And since it’s engineered to dampen radio frequency noise, your electronics — from depth finder to VHF — stay clear of static. Mercury built this cap for real boats and real boaters who just want their engines to fire and run the way they should.\u003c\/p\u003e\n\u003chr data-start=\"2510\" data-end=\"2513\"\u003e\n\u003ch3 data-start=\"2515\" data-end=\"2536\"\u003e\u003cstrong data-start=\"2519\" data-end=\"2534\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2537\" data-end=\"2848\"\u003eOEM parts aren’t about fancy marketing — they’re about trust. Mercury builds these distributor caps from materials tested for marine duty: constant heat, vibration, and exposure to moisture. That’s why they last longer and perform better than most aftermarket versions that cut corners on plastics or plating.\u003c\/p\u003e\n\u003cp data-start=\"2850\" data-end=\"3119\"\u003eBuying OEM means you’re installing the same part your engine was designed to run with — no guesswork, no fit issues, and no premature failure. It’s the right call for anyone who’d rather spend the weekend on the water instead of chasing ignition problems at the dock.\u003c\/p\u003e\n\u003chr data-start=\"3121\" data-end=\"3124\"\u003e\n\u003ch3 data-start=\"3126\" data-end=\"3139\"\u003e\u003cstrong data-start=\"3130\" data-end=\"3137\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3140\" data-end=\"3299\"\u003e\u003cstrong data-start=\"3140\" data-end=\"3191\"\u003eQ1: Which engines use the Quicksilver 808483Q2?\u003c\/strong\u003e\u003cbr data-start=\"3191\" data-end=\"3194\"\u003eA: It’s made for \u003cstrong data-start=\"3211\" data-end=\"3260\"\u003e1998 and newer GM-based MerCruiser V8 engines\u003c\/strong\u003e with \u003cstrong data-start=\"3266\" data-end=\"3296\"\u003eDelco HEI ignition systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3301\" data-end=\"3479\"\u003e\u003cstrong data-start=\"3301\" data-end=\"3353\"\u003eQ2: How is it different from the 808483Q1 model?\u003c\/strong\u003e\u003cbr data-start=\"3353\" data-end=\"3356\"\u003eA: The \u003cstrong data-start=\"3363\" data-end=\"3375\"\u003e808483Q1\u003c\/strong\u003e fits earlier engines (1997 and older), while the \u003cstrong data-start=\"3425\" data-end=\"3437\"\u003e808483Q2\u003c\/strong\u003e is designed for newer marinized GM V8s.\u003c\/p\u003e\n\u003cp data-start=\"3481\" data-end=\"3641\"\u003e\u003cstrong data-start=\"3481\" data-end=\"3513\"\u003eQ3: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"3513\" data-end=\"3516\"\u003eA: Absolutely. If you’re comfortable doing basic ignition maintenance, installation is straightforward with standard tools.\u003c\/p\u003e\n\u003cp data-start=\"3643\" data-end=\"3798\"\u003e\u003cstrong data-start=\"3643\" data-end=\"3680\"\u003eQ4: Does it hold up in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"3680\" data-end=\"3683\"\u003eA: Yes. The brass terminals and reinforced plastic body are built for corrosion resistance and long service life.\u003c\/p\u003e\n\u003cp data-start=\"3800\" data-end=\"3960\"\u003e\u003cstrong data-start=\"3800\" data-end=\"3843\"\u003eQ5: Will it interfere with electronics?\u003c\/strong\u003e\u003cbr data-start=\"3843\" data-end=\"3846\"\u003eA: No — it’s engineered to resist \u003cstrong data-start=\"3880\" data-end=\"3900\"\u003eRFI interference\u003c\/strong\u003e, keeping your communication and navigation systems clear.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936185307427,"sku":"808483Q2","price":72.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/808483q2_main.jpg?v=1760631213"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-1997-older-gm-v-8-engines-with-delco-hei-ignition-808483q1","title":"Mercury – Quicksilver 808483Q1 Distributor Cap Kit | Marinized GM V8 Engines | Delco HEI Ignition | 808483Q1","description":"\u003cp data-start=\"0\" data-end=\"114\"\u003e\u003cstrong data-start=\"0\" data-end=\"112\"\u003eMercury – Quicksilver 808483Q1 Distributor Cap Kit | Marinized GM V8 Engines | Delco HEI Ignition | 808483Q1\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"116\" data-end=\"119\"\u003e\n\u003ch3 data-start=\"121\" data-end=\"139\"\u003e\u003cstrong data-start=\"125\" data-end=\"137\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"140\" data-end=\"585\"\u003eThere’s a certain satisfaction when your V8 lights off clean and even — no hesitation, no stutter, just that deep, steady rumble you can feel through the deck. The \u003cstrong data-start=\"304\" data-end=\"348\"\u003eQuicksilver 808483Q1 Distributor Cap Kit\u003c\/strong\u003e helps keep that feeling alive. It’s built for \u003cstrong data-start=\"395\" data-end=\"441\"\u003e1997 and older GM-based MerCruiser engines\u003c\/strong\u003e running \u003cstrong data-start=\"450\" data-end=\"480\"\u003eDelco HEI ignition systems\u003c\/strong\u003e, giving you the kind of spark reliability that seasoned boaters trust without thinking twice about it.\u003c\/p\u003e\n\u003cp data-start=\"587\" data-end=\"825\"\u003eThis isn’t a flashy part, but it’s one you’ll quietly appreciate every time the engine fires up right on cue. Mercury designed it for the realities of boating — the heat, the humidity, the constant vibration — and it just keeps working.\u003c\/p\u003e\n\u003chr data-start=\"827\" data-end=\"830\"\u003e\n\u003ch3 data-start=\"832\" data-end=\"854\"\u003e\u003cstrong data-start=\"836\" data-end=\"852\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"857\" data-end=\"956\"\u003e\n\u003cstrong data-start=\"857\" data-end=\"869\"\u003ePurpose:\u003c\/strong\u003e Maintains a clean, steady spark path so your engine starts easily and runs smoothly.\u003c\/li\u003e\n\u003cli data-start=\"959\" data-end=\"1056\"\u003e\n\u003cstrong data-start=\"959\" data-end=\"971\"\u003eFitment:\u003c\/strong\u003e 1997-and-older \u003cstrong data-start=\"987\" data-end=\"1025\"\u003emarinized GM V8 MerCruiser engines\u003c\/strong\u003e with \u003cstrong data-start=\"1031\" data-end=\"1053\"\u003eDelco HEI ignition\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1059\" data-end=\"1190\"\u003e\n\u003cstrong data-start=\"1059\" data-end=\"1076\"\u003eConstruction:\u003c\/strong\u003e Cap molded from a \u003cstrong data-start=\"1095\" data-end=\"1116\"\u003ePBT\/PET composite\u003c\/strong\u003e, a tough plastic blend that resists warping, cracking, and heat stress.\u003c\/li\u003e\n\u003cli data-start=\"1193\" data-end=\"1303\"\u003e\n\u003cstrong data-start=\"1193\" data-end=\"1215\"\u003eElectrical Design:\u003c\/strong\u003e \u003cstrong data-start=\"1216\" data-end=\"1240\"\u003eSolid brass contacts\u003c\/strong\u003e for corrosion resistance and long-term electrical stability.\u003c\/li\u003e\n\u003cli data-start=\"1306\" data-end=\"1411\"\u003e\n\u003cstrong data-start=\"1306\" data-end=\"1330\"\u003eEngineering Touches:\u003c\/strong\u003e Built to limit \u003cstrong data-start=\"1346\" data-end=\"1359\"\u003eRFI noise\u003c\/strong\u003e that can disrupt onboard electronics and sensors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1413\" data-end=\"1416\"\u003e\n\u003ch3 data-start=\"1418\" data-end=\"1455\"\u003e\u003cstrong data-start=\"1422\" data-end=\"1453\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1458\" data-end=\"1503\"\u003eGM \/ MerCruiser V8 engines (1997 and older)\u003c\/li\u003e\n\u003cli data-start=\"1506\" data-end=\"1534\"\u003eDelco HEI ignition systems\u003c\/li\u003e\n\u003cli data-start=\"1537\" data-end=\"1619\"\u003eCommon setups on inboard cruisers, classic sterndrives, and freshwater runabouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1621\" data-end=\"1624\"\u003e\n\u003ch3 data-start=\"1626\" data-end=\"1668\"\u003e\u003cstrong data-start=\"1630\" data-end=\"1666\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1669\" data-end=\"1994\"\u003eOut on the water, this cap delivers the consistency your ignition depends on. The tight molding keeps terminal spacing exact, which means the spark jumps clean and strong at the right moment, every time. The brass inserts stay bright even after long hours in damp bilges or salt air, helping prevent weak spark and misfire.\u003c\/p\u003e\n\u003cp data-start=\"1996\" data-end=\"2347\"\u003eIt’s also smartly built to protect your electronics. The internal layout dampens interference, so your gauges, radios, and GPS stay clear of static. You’ll notice the difference in how the boat feels — a smooth idle, crisp throttle response, and easy restarts after long runs. Simple, steady performance that makes boating easier and more enjoyable.\u003c\/p\u003e\n\u003chr data-start=\"2349\" data-end=\"2352\"\u003e\n\u003ch3 data-start=\"2354\" data-end=\"2375\"\u003e\u003cstrong data-start=\"2358\" data-end=\"2373\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2376\" data-end=\"2662\"\u003eWhen it comes to ignition parts, precision and material quality matter more than most realize. Mercury’s OEM components are made for marine life — constant heat cycles, vibration, and moisture. The plastics they use don’t swell or crack, and the terminals hold up season after season.\u003c\/p\u003e\n\u003cp data-start=\"2664\" data-end=\"2967\"\u003eAftermarket parts might look similar, but they often use cheaper alloys and looser tolerances that cause early wear or weak spark. With OEM, you get what your engine was designed for — exact fit, predictable performance, and reliability that keeps your trips focused on the water, not the repair dock.\u003c\/p\u003e\n\u003chr data-start=\"2969\" data-end=\"2972\"\u003e\n\u003ch3 data-start=\"2974\" data-end=\"2987\"\u003e\u003cstrong data-start=\"2978\" data-end=\"2985\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2988\" data-end=\"3135\"\u003e\u003cstrong data-start=\"2988\" data-end=\"3039\"\u003eQ1: Which engines use the Quicksilver 808483Q1?\u003c\/strong\u003e\u003cbr data-start=\"3039\" data-end=\"3042\"\u003eA: It fits \u003cstrong data-start=\"3053\" data-end=\"3096\"\u003e1997 and older GM V8 MerCruiser engines\u003c\/strong\u003e with \u003cstrong data-start=\"3102\" data-end=\"3132\"\u003eDelco HEI ignition systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3137\" data-end=\"3278\"\u003e\u003cstrong data-start=\"3137\" data-end=\"3181\"\u003eQ2: How is this different from 808483K2?\u003c\/strong\u003e\u003cbr data-start=\"3181\" data-end=\"3184\"\u003eA: The \u003cstrong data-start=\"3191\" data-end=\"3203\"\u003e808483Q1\u003c\/strong\u003e is just the cap, while the \u003cstrong data-start=\"3231\" data-end=\"3243\"\u003e808483K2\u003c\/strong\u003e includes both the cap and rotor.\u003c\/p\u003e\n\u003cp data-start=\"3280\" data-end=\"3450\"\u003e\u003cstrong data-start=\"3280\" data-end=\"3312\"\u003eQ3: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"3312\" data-end=\"3315\"\u003eA: Yes, if you’ve ever changed plugs or wires, this is right in your wheelhouse. Just mark your wire positions, swap the cap, and go.\u003c\/p\u003e\n\u003cp data-start=\"3452\" data-end=\"3613\"\u003e\u003cstrong data-start=\"3452\" data-end=\"3489\"\u003eQ4: Will it hold up in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"3489\" data-end=\"3492\"\u003eA: Definitely. The brass inserts and composite housing handle marine conditions well — just keep up normal maintenance.\u003c\/p\u003e\n\u003cp data-start=\"3615\" data-end=\"3778\"\u003e\u003cstrong data-start=\"3615\" data-end=\"3661\"\u003eQ5: Will it interfere with my electronics?\u003c\/strong\u003e\u003cbr data-start=\"3661\" data-end=\"3664\"\u003eA: No. It’s designed to minimize radio-frequency interference, keeping your GPS and communication systems clear.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936185372963,"sku":"808483Q1","price":56.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/808483q1_main.jpg?v=1760631209"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-gm-v-8-engines-with-thunderbolt-iv-v-hei-ignitions-805759t3","title":"Mercury – Cap and Rotor Kit | For GM V8 MerCruiser Engines with Thunderbolt IV \u0026 V Systems | 805759T3","description":"\u003cp data-start=\"0\" data-end=\"107\"\u003e\u003cstrong data-start=\"0\" data-end=\"105\"\u003eMercury – Cap and Rotor Kit | For GM V8 MerCruiser Engines with Thunderbolt IV \u0026amp; V Systems | 805759T3\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"109\" data-end=\"112\"\u003e\n\u003ch3 data-start=\"114\" data-end=\"132\"\u003e\u003cstrong data-start=\"118\" data-end=\"130\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"133\" data-end=\"700\"\u003eA strong, reliable spark is the backbone of every good running engine. The \u003cstrong data-start=\"208\" data-end=\"253\"\u003eMercury Marine 805759T3 Cap and Rotor Kit\u003c\/strong\u003e restores smooth ignition performance to your \u003cstrong data-start=\"299\" data-end=\"325\"\u003eGM-based V8 MerCruiser\u003c\/strong\u003e equipped with \u003cstrong data-start=\"340\" data-end=\"384\"\u003eThunderbolt IV or V HEI ignition systems\u003c\/strong\u003e. Built with durable marine-grade materials, this kit is designed to handle the heat, vibration, and humidity that come with boating. With precision-molded components and corrosion-resistant brass contacts, it delivers consistent spark timing — helping your engine fire clean, idle smooth, and perform at its best.\u003c\/p\u003e\n\u003chr data-start=\"702\" data-end=\"705\"\u003e\n\u003ch3 data-start=\"707\" data-end=\"729\"\u003e\u003cstrong data-start=\"711\" data-end=\"727\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"732\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"732\" data-end=\"744\"\u003ePurpose:\u003c\/strong\u003e Replaces worn ignition components to restore smooth spark delivery.\u003c\/li\u003e\n\u003cli data-start=\"817\" data-end=\"904\"\u003e\n\u003cstrong data-start=\"817\" data-end=\"828\"\u003eDesign:\u003c\/strong\u003e Includes a \u003cstrong data-start=\"840\" data-end=\"878\"\u003edistributor cap, rotor, and gasket\u003c\/strong\u003e built to OEM standards.\u003c\/li\u003e\n\u003cli data-start=\"907\" data-end=\"1008\"\u003e\n\u003cstrong data-start=\"907\" data-end=\"924\"\u003eConstruction:\u003c\/strong\u003e Molded from a \u003cstrong data-start=\"939\" data-end=\"960\"\u003ePBT\/PET composite\u003c\/strong\u003e for strength, stiffness, and heat resistance.\u003c\/li\u003e\n\u003cli data-start=\"1011\" data-end=\"1114\"\u003e\n\u003cstrong data-start=\"1011\" data-end=\"1027\"\u003ePerformance:\u003c\/strong\u003e \u003cstrong data-start=\"1028\" data-end=\"1056\"\u003eCoated brass rotor blade\u003c\/strong\u003e ensures clean electrical contact and long service life.\u003c\/li\u003e\n\u003cli data-start=\"1117\" data-end=\"1210\"\u003e\n\u003cstrong data-start=\"1117\" data-end=\"1132\"\u003eProtection:\u003c\/strong\u003e Designed to minimize RFI interference with onboard electronics and sensors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1212\" data-end=\"1215\"\u003e\n\u003ch3 data-start=\"1217\" data-end=\"1254\"\u003e\u003cstrong data-start=\"1221\" data-end=\"1252\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1257\" data-end=\"1357\"\u003e\n\u003cstrong data-start=\"1257\" data-end=\"1291\"\u003eGM-built V8 MerCruiser engines\u003c\/strong\u003e using \u003cstrong data-start=\"1298\" data-end=\"1355\"\u003eThunderbolt IV and Thunderbolt V HEI ignition systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1359\" data-end=\"1362\"\u003e\n\u003ch3 data-start=\"1364\" data-end=\"1407\"\u003e\u003cstrong data-start=\"1368\" data-end=\"1405\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1408\" data-end=\"1737\"\u003eThe \u003cstrong data-start=\"1412\" data-end=\"1442\"\u003e805759T3 Cap and Rotor Kit\u003c\/strong\u003e keeps your ignition system running like it should. Over time, corrosion, arcing, and heat can wear down the distributor components, leading to misfires, rough idle, or weak throttle response. Installing this Mercury OEM kit restores the spark timing and consistency your engine was built for.\u003c\/p\u003e\n\u003cp data-start=\"1739\" data-end=\"2059\"\u003eThe high-strength housing stays rigid under marine heat, while the brass rotor and terminals provide excellent conductivity and resistance to corrosion. With fresh components, you’ll notice easier starts, smoother acceleration, and a steady idle — exactly what you want when you turn the key and head out on the water.\u003c\/p\u003e\n\u003chr data-start=\"2061\" data-end=\"2064\"\u003e\n\u003ch3 data-start=\"2066\" data-end=\"2098\"\u003e\u003cstrong data-start=\"2070\" data-end=\"2096\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2099\" data-end=\"2364\"\u003eThe \u003cstrong data-start=\"2103\" data-end=\"2123\"\u003eMercury 805759T3\u003c\/strong\u003e is a \u003cstrong data-start=\"2129\" data-end=\"2160\"\u003egenuine Mercury Marine part\u003c\/strong\u003e, made to withstand the demanding conditions that aftermarket parts often can’t. While generic kits may fit, they often use inferior materials that warp or fail early, especially in marine environments.\u003c\/p\u003e\n\u003cp data-start=\"2366\" data-end=\"2627\"\u003eMercury’s OEM ignition components are precision-tested to deliver the same spark quality and longevity as the originals installed in new MerCruiser engines. It’s the same kit trusted by factory technicians to keep engines running smooth, reliable, and strong.\u003c\/p\u003e\n\u003chr data-start=\"2629\" data-end=\"2632\"\u003e\n\u003ch3 data-start=\"2634\" data-end=\"2647\"\u003e\u003cstrong data-start=\"2638\" data-end=\"2645\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2649\" data-end=\"2809\"\u003e\u003cstrong data-start=\"2649\" data-end=\"2685\"\u003eQ1: What’s included in this kit?\u003c\/strong\u003e\u003cbr data-start=\"2685\" data-end=\"2688\"\u003eIt includes a \u003cstrong data-start=\"2702\" data-end=\"2759\"\u003edistributor cap, coated brass rotor blade, and gasket\u003c\/strong\u003e — everything needed for a complete replacement.\u003c\/p\u003e\n\u003cp data-start=\"2811\" data-end=\"2948\"\u003e\u003cstrong data-start=\"2811\" data-end=\"2844\"\u003eQ2: What engines does it fit?\u003c\/strong\u003e\u003cbr data-start=\"2844\" data-end=\"2847\"\u003eIt’s made for \u003cstrong data-start=\"2861\" data-end=\"2895\"\u003eGM-built V8 MerCruiser engines\u003c\/strong\u003e with \u003cstrong data-start=\"2901\" data-end=\"2945\"\u003eThunderbolt IV or V HEI ignition systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2950\" data-end=\"3096\"\u003e\u003cstrong data-start=\"2950\" data-end=\"2997\"\u003eQ3: Why replace the cap and rotor together?\u003c\/strong\u003e\u003cbr data-start=\"2997\" data-end=\"3000\"\u003eReplacing both ensures consistent spark timing and strong, even ignition across all cylinders.\u003c\/p\u003e\n\u003cp data-start=\"3098\" data-end=\"3246\"\u003e\u003cstrong data-start=\"3098\" data-end=\"3135\"\u003eQ4: How long do these parts last?\u003c\/strong\u003e\u003cbr data-start=\"3135\" data-end=\"3138\"\u003eThey’re built from \u003cstrong data-start=\"3157\" data-end=\"3194\"\u003emarine-grade composites and brass\u003c\/strong\u003e, lasting several seasons under normal marine use.\u003c\/p\u003e\n\u003cp data-start=\"3248\" data-end=\"3421\"\u003e\u003cstrong data-start=\"3248\" data-end=\"3281\"\u003eQ5: Why OEM over aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3281\" data-end=\"3284\"\u003eBecause \u003cstrong data-start=\"3292\" data-end=\"3313\"\u003eMercury OEM parts\u003c\/strong\u003e are built for precise fit, lasting durability, and corrosion resistance — crucial for marine reliability.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936197071139,"sku":"805759T3","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/805759t3.jpg?v=1761570213"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-mx-6-2l-black-scorpion-tow-sports-805759t05","title":"Mercury – Quicksilver Distributor Cap Kit | For MerCruiser Black Scorpion Tow Sports Engines | 805759T05","description":"\u003cp data-start=\"0\" data-end=\"110\"\u003e\u003cstrong data-start=\"0\" data-end=\"108\"\u003eMercury – Quicksilver Distributor Cap Kit | For MerCruiser Black Scorpion Tow Sports Engines | 805759T05\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"112\" data-end=\"115\"\u003e\n\u003ch3 data-start=\"117\" data-end=\"135\"\u003e\u003cstrong data-start=\"121\" data-end=\"133\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"136\" data-end=\"724\"\u003eTow sports engines take a beating — long idle times, high heat, and constant load. The \u003cstrong data-start=\"223\" data-end=\"283\"\u003eMercury Marine 805759T05 Quicksilver Distributor Cap Kit\u003c\/strong\u003e is designed to keep your \u003cstrong data-start=\"309\" data-end=\"345\"\u003eMerCruiser Black Scorpion engine\u003c\/strong\u003e firing perfectly no matter how hard you run it. This complete kit includes the \u003cstrong data-start=\"425\" data-end=\"463\"\u003edistributor cap, rotor, and gasket\u003c\/strong\u003e, all engineered for durability and precision. Made from high-strength composite materials and fitted with brass contacts, it ensures clean spark delivery, smoother idling, and dependable performance — exactly what you need when you’re pulling riders all day.\u003c\/p\u003e\n\u003chr data-start=\"726\" data-end=\"729\"\u003e\n\u003ch3 data-start=\"731\" data-end=\"753\"\u003e\u003cstrong data-start=\"735\" data-end=\"751\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"756\" data-end=\"843\"\u003e\n\u003cstrong data-start=\"756\" data-end=\"768\"\u003ePurpose:\u003c\/strong\u003e Restores consistent spark timing and distribution for reliable ignition.\u003c\/li\u003e\n\u003cli data-start=\"846\" data-end=\"934\"\u003e\n\u003cstrong data-start=\"846\" data-end=\"863\"\u003eComplete Kit:\u003c\/strong\u003e Includes the \u003cstrong data-start=\"877\" data-end=\"903\"\u003ecap, rotor, and gasket\u003c\/strong\u003e for a full ignition refresh.\u003c\/li\u003e\n\u003cli data-start=\"937\" data-end=\"1037\"\u003e\n\u003cstrong data-start=\"937\" data-end=\"954\"\u003eConstruction:\u003c\/strong\u003e Molded from a \u003cstrong data-start=\"969\" data-end=\"996\"\u003ePBT\/PET composite blend\u003c\/strong\u003e to resist heat, warping, and cracking.\u003c\/li\u003e\n\u003cli data-start=\"1040\" data-end=\"1139\"\u003e\n\u003cstrong data-start=\"1040\" data-end=\"1053\"\u003eContacts:\u003c\/strong\u003e \u003cstrong data-start=\"1054\" data-end=\"1077\"\u003eSolid brass inserts\u003c\/strong\u003e offer excellent conductivity and long corrosion resistance.\u003c\/li\u003e\n\u003cli data-start=\"1142\" data-end=\"1234\"\u003e\n\u003cstrong data-start=\"1142\" data-end=\"1153\"\u003eDesign:\u003c\/strong\u003e Built to minimize radio frequency interference (RFI) with onboard electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1236\" data-end=\"1239\"\u003e\n\u003ch3 data-start=\"1241\" data-end=\"1278\"\u003e\u003cstrong data-start=\"1245\" data-end=\"1276\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1281\" data-end=\"1374\"\u003eDesigned for \u003cstrong data-start=\"1294\" data-end=\"1341\"\u003eMerCruiser Black Scorpion tow sport engines\u003c\/strong\u003e used in \u003cstrong data-start=\"1350\" data-end=\"1372\"\u003ewake and ski boats\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1376\" data-end=\"1379\"\u003e\n\u003ch3 data-start=\"1381\" data-end=\"1424\"\u003e\u003cstrong data-start=\"1385\" data-end=\"1422\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1425\" data-end=\"1799\"\u003eThe \u003cstrong data-start=\"1429\" data-end=\"1462\"\u003e805759T05 distributor cap kit\u003c\/strong\u003e ensures your ignition system delivers consistent, powerful spark under all conditions. Over time, moisture and heat can break down the cap and rotor, causing weak spark, misfires, or hesitation. This OEM kit brings back that strong, even spark your Black Scorpion engine depends on for crisp throttle response and steady towing power.\u003c\/p\u003e\n\u003cp data-start=\"1801\" data-end=\"2168\"\u003eWith its rugged construction and brass terminals, it stands up to marine punishment — constant vibration, salt exposure, and high operating temperatures. The included gasket keeps moisture out, preventing corrosion and electrical arcing. Whether you’re idling at the dock or pulling a wakeboarder, this cap kit keeps your ignition solid and your engine ready to go.\u003c\/p\u003e\n\u003chr data-start=\"2170\" data-end=\"2173\"\u003e\n\u003ch3 data-start=\"2175\" data-end=\"2207\"\u003e\u003cstrong data-start=\"2179\" data-end=\"2205\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2208\" data-end=\"2477\"\u003eThe \u003cstrong data-start=\"2212\" data-end=\"2237\"\u003eQuicksilver 805759T05\u003c\/strong\u003e is a \u003cstrong data-start=\"2243\" data-end=\"2274\"\u003egenuine Mercury Marine part\u003c\/strong\u003e, made to the same standards as the components installed at the factory. Aftermarket versions might fit, but they rarely match the heat tolerance, sealing quality, or electrical precision of OEM parts.\u003c\/p\u003e\n\u003cp data-start=\"2479\" data-end=\"2760\"\u003eMercury’s OEM cap kits are tested in real marine environments — long runs, rough water, and high humidity — ensuring they perform when it matters most. It’s the same part trusted by Mercury technicians and performance boat builders who know reliability starts with genuine parts.\u003c\/p\u003e\n\u003chr data-start=\"2762\" data-end=\"2765\"\u003e\n\u003ch3 data-start=\"2767\" data-end=\"2780\"\u003e\u003cstrong data-start=\"2771\" data-end=\"2778\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2782\" data-end=\"2925\"\u003e\u003cstrong data-start=\"2782\" data-end=\"2821\"\u003eQ1: What engines does this kit fit?\u003c\/strong\u003e\u003cbr data-start=\"2821\" data-end=\"2824\"\u003eIt’s made for \u003cstrong data-start=\"2838\" data-end=\"2885\"\u003eMerCruiser Black Scorpion tow sport engines\u003c\/strong\u003e, commonly used in wake and ski boats.\u003c\/p\u003e\n\u003cp data-start=\"2927\" data-end=\"3057\"\u003e\u003cstrong data-start=\"2927\" data-end=\"2962\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2962\" data-end=\"2965\"\u003eYou’ll get the \u003cstrong data-start=\"2980\" data-end=\"3018\"\u003edistributor cap, rotor, and gasket\u003c\/strong\u003e — everything needed for replacement.\u003c\/p\u003e\n\u003cp data-start=\"3059\" data-end=\"3201\"\u003e\u003cstrong data-start=\"3059\" data-end=\"3094\"\u003eQ3: Why are the contacts brass?\u003c\/strong\u003e\u003cbr data-start=\"3094\" data-end=\"3097\"\u003e\u003cstrong data-start=\"3097\" data-end=\"3116\"\u003eBrass terminals\u003c\/strong\u003e provide better conductivity and last longer than aluminum under marine conditions.\u003c\/p\u003e\n\u003cp data-start=\"3203\" data-end=\"3320\"\u003e\u003cstrong data-start=\"3203\" data-end=\"3233\"\u003eQ4: Is it easy to install?\u003c\/strong\u003e\u003cbr data-start=\"3233\" data-end=\"3236\"\u003eYes — it’s a \u003cstrong data-start=\"3249\" data-end=\"3279\"\u003edirect-fit OEM replacement\u003c\/strong\u003e that installs easily with basic tools.\u003c\/p\u003e\n\u003cp data-start=\"3322\" data-end=\"3516\"\u003e\u003cstrong data-start=\"3322\" data-end=\"3361\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3361\" data-end=\"3364\"\u003eMercury’s OEM parts are \u003cstrong data-start=\"3388\" data-end=\"3465\"\u003ebuilt for heat resistance, durability, and perfect electrical performance\u003c\/strong\u003e, ensuring your ignition system stays dependable.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936197267747,"sku":"805759T05","price":65.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/805759t05.jpg?v=1761569937"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-gm-v-8-engines-with-thunderbolt-iv-v-hei-ignitions-805759q3","title":"Mercury – Quicksilver Distributor Cap Kit | For Marinized GM V8 MerCruiser Engines with Thunderbolt IV \u0026 V | 805759Q3","description":"\u003cp data-start=\"0\" data-end=\"123\"\u003e\u003cstrong data-start=\"0\" data-end=\"121\"\u003eMercury – Quicksilver Distributor Cap Kit | For Marinized GM V8 MerCruiser Engines with Thunderbolt IV \u0026amp; V | 805759Q3\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"125\" data-end=\"128\"\u003e\n\u003ch3 data-start=\"130\" data-end=\"148\"\u003e\u003cstrong data-start=\"134\" data-end=\"146\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"149\" data-end=\"717\"\u003eIf your V8 MerCruiser has been running a little rough or struggling to start, it might be time to refresh the ignition system. The \u003cstrong data-start=\"280\" data-end=\"339\"\u003eMercury Marine 805759Q3 Quicksilver Distributor Cap Kit\u003c\/strong\u003e makes it easy to get your spark back where it belongs. This kit includes the \u003cstrong data-start=\"417\" data-end=\"443\"\u003ecap, rotor, and gasket\u003c\/strong\u003e — all built to factory specs for \u003cstrong data-start=\"477\" data-end=\"508\"\u003eGM-based MerCruiser engines\u003c\/strong\u003e running \u003cstrong data-start=\"517\" data-end=\"561\"\u003eThunderbolt IV or V HEI ignition systems\u003c\/strong\u003e. Each piece is tough enough to handle years of heat, moisture, and vibration on the water, giving you the steady spark and confidence your boat deserves.\u003c\/p\u003e\n\u003chr data-start=\"719\" data-end=\"722\"\u003e\n\u003ch3 data-start=\"724\" data-end=\"746\"\u003e\u003cstrong data-start=\"728\" data-end=\"744\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"749\" data-end=\"842\"\u003e\n\u003cstrong data-start=\"749\" data-end=\"761\"\u003ePurpose:\u003c\/strong\u003e Restores smooth spark delivery for consistent ignition and strong performance.\u003c\/li\u003e\n\u003cli data-start=\"845\" data-end=\"962\"\u003e\n\u003cstrong data-start=\"845\" data-end=\"862\"\u003eComplete Kit:\u003c\/strong\u003e Comes with the \u003cstrong data-start=\"878\" data-end=\"916\"\u003edistributor cap, rotor, and gasket\u003c\/strong\u003e — everything you need for a proper tune-up.\u003c\/li\u003e\n\u003cli data-start=\"965\" data-end=\"1073\"\u003e\n\u003cstrong data-start=\"965\" data-end=\"979\"\u003eMaterials:\u003c\/strong\u003e The cap is molded from a \u003cstrong data-start=\"1005\" data-end=\"1026\"\u003ePBT\/PET composite\u003c\/strong\u003e, made to resist heat, cracking, and warping.\u003c\/li\u003e\n\u003cli data-start=\"1076\" data-end=\"1170\"\u003e\n\u003cstrong data-start=\"1076\" data-end=\"1089\"\u003eContacts:\u003c\/strong\u003e Uses \u003cstrong data-start=\"1095\" data-end=\"1118\"\u003esolid brass inserts\u003c\/strong\u003e for better conductivity and corrosion resistance.\u003c\/li\u003e\n\u003cli data-start=\"1173\" data-end=\"1283\"\u003e\n\u003cstrong data-start=\"1173\" data-end=\"1184\"\u003eDesign:\u003c\/strong\u003e Built to reduce radio frequency interference (RFI), keeping your electronics clear and reliable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1285\" data-end=\"1288\"\u003e\n\u003ch3 data-start=\"1290\" data-end=\"1327\"\u003e\u003cstrong data-start=\"1294\" data-end=\"1325\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1330\" data-end=\"1395\"\u003e\n\u003cstrong data-start=\"1330\" data-end=\"1365\"\u003eMarinized V8 MerCruiser engines\u003c\/strong\u003e built by \u003cstrong data-start=\"1375\" data-end=\"1393\"\u003eGeneral Motors\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1398\" data-end=\"1468\"\u003eWorks with \u003cstrong data-start=\"1409\" data-end=\"1466\"\u003eThunderbolt IV and Thunderbolt V HEI ignition systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1470\" data-end=\"1473\"\u003e\n\u003ch3 data-start=\"1475\" data-end=\"1518\"\u003e\u003cstrong data-start=\"1479\" data-end=\"1516\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1519\" data-end=\"1830\"\u003eThe \u003cstrong data-start=\"1523\" data-end=\"1555\"\u003e805759Q3 distributor cap kit\u003c\/strong\u003e is all about bringing back that crisp, reliable spark. Over time, caps and rotors can wear out or corrode, causing misfires, weak spark, or rough idling. Installing this Mercury OEM kit restores strong ignition performance and helps your engine fire up cleanly every time.\u003c\/p\u003e\n\u003cp data-start=\"1832\" data-end=\"2133\"\u003eEach component is designed to thrive in a marine environment — the cap’s reinforced plastic holds its shape under heat, and the brass terminals deliver solid, consistent contact. The included gasket keeps moisture out, which means no shorting, no sputtering, and no more chasing electrical gremlins.\u003c\/p\u003e\n\u003cp data-start=\"2135\" data-end=\"2245\"\u003eYou’ll feel the difference right away: a smoother idle, quicker starts, and dependable power under throttle.\u003c\/p\u003e\n\u003chr data-start=\"2247\" data-end=\"2250\"\u003e\n\u003ch3 data-start=\"2252\" data-end=\"2284\"\u003e\u003cstrong data-start=\"2256\" data-end=\"2282\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2285\" data-end=\"2651\"\u003eThe \u003cstrong data-start=\"2289\" data-end=\"2313\"\u003eQuicksilver 805759Q3\u003c\/strong\u003e is a \u003cstrong data-start=\"2319\" data-end=\"2346\"\u003etrue Mercury Marine kit\u003c\/strong\u003e, not a generic substitute. Many aftermarket caps use cheaper materials that warp or corrode quickly, leading to premature failure. Mercury’s OEM parts are made to exact tolerances and tested in saltwater, high humidity, and extreme heat — the same conditions your boat faces every time you take it out.\u003c\/p\u003e\n\u003cp data-start=\"2653\" data-end=\"2802\"\u003eIt’s the same kit Mercury techs use at the factory and in service bays, built for reliability, fit, and performance that lasts season after season.\u003c\/p\u003e\n\u003chr data-start=\"2804\" data-end=\"2807\"\u003e\n\u003ch3 data-start=\"2809\" data-end=\"2822\"\u003e\u003cstrong data-start=\"2813\" data-end=\"2820\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2824\" data-end=\"2958\"\u003e\u003cstrong data-start=\"2824\" data-end=\"2863\"\u003eQ1: What engines does this kit fit?\u003c\/strong\u003e\u003cbr data-start=\"2863\" data-end=\"2866\"\u003eIt fits \u003cstrong data-start=\"2874\" data-end=\"2905\"\u003eV8 MerCruiser engines by GM\u003c\/strong\u003e with \u003cstrong data-start=\"2911\" data-end=\"2955\"\u003eThunderbolt IV or V HEI ignition systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2960\" data-end=\"3093\"\u003e\u003cstrong data-start=\"2960\" data-end=\"2995\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2995\" data-end=\"2998\"\u003eYou’ll get the \u003cstrong data-start=\"3013\" data-end=\"3039\"\u003ecap, rotor, and gasket\u003c\/strong\u003e, everything you need to replace the old components.\u003c\/p\u003e\n\u003cp data-start=\"3095\" data-end=\"3232\"\u003e\u003cstrong data-start=\"3095\" data-end=\"3131\"\u003eQ3: Why are the terminals brass?\u003c\/strong\u003e\u003cbr data-start=\"3131\" data-end=\"3134\"\u003e\u003cstrong data-start=\"3134\" data-end=\"3151\"\u003eBrass inserts\u003c\/strong\u003e conduct electricity better than aluminum and last longer in marine conditions.\u003c\/p\u003e\n\u003cp data-start=\"3234\" data-end=\"3360\"\u003e\u003cstrong data-start=\"3234\" data-end=\"3270\"\u003eQ4: Is this kit hard to install?\u003c\/strong\u003e\u003cbr data-start=\"3270\" data-end=\"3273\"\u003eNot at all — it’s a \u003cstrong data-start=\"3293\" data-end=\"3316\"\u003edirect-fit OEM part\u003c\/strong\u003e that installs easily with standard tools.\u003c\/p\u003e\n\u003cp data-start=\"3362\" data-end=\"3528\"\u003e\u003cstrong data-start=\"3362\" data-end=\"3405\"\u003eQ5: Why use OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3405\" data-end=\"3408\"\u003eBecause \u003cstrong data-start=\"3416\" data-end=\"3437\"\u003eMercury OEM parts\u003c\/strong\u003e deliver better fit, longer life, and performance proven in real-world marine conditions.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936197431587,"sku":"805759Q3","price":51.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/805759t3_1.jpg?v=1761569907"},{"product_id":"mercury-mercruiser-cap-and-rotor-kit-fits-ford-gm-v-8-engines-393-4988t1","title":"Mercury Mercruiser - Cap and Rotor Kit - Fits Ford \u0026 GM V-8 Engines - 393-4988T1","description":"\u003cp\u003eFits Ford \u0026amp; GM V-8 engines with Autolite \u0026amp; Mercury ignitions.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940264071459,"sku":"393-4988T1","price":34.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/393-4988t1.jpg?v=1698812140"}],"url":"https:\/\/partsvu.com\/en-mx\/collections\/mercruiser-distributor-cap-and-rotor-kits.oembed","provider":"PartsVu","version":"1.0","type":"link"}