{"product_id":"mercury-mercruiser-distributor-cap-fits-gm-v-8-engines-with-delco-hei-ignition-except-mpi-engines-with-ecm-555-808483t3","title":"Mercury – Quicksilver 808483T3 Distributor Cap Kit | GM Marinized V8 Engines | Delco HEI Ignition | 808483T3","description":"\u003cp data-start=\"0\" data-end=\"114\"\u003e\u003cstrong data-start=\"0\" data-end=\"112\"\u003eMercury – Quicksilver 808483T3 Distributor Cap Kit | GM Marinized V8 Engines | Delco HEI Ignition | 808483T3\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=\"660\"\u003eThere’s a certain confidence that comes when you twist the key and your V8 turns over instantly — no lag, no stumble, just that smooth, deep rumble every boater loves to hear. The \u003cstrong data-start=\"320\" data-end=\"364\"\u003eQuicksilver 808483T3 Distributor Cap Kit\u003c\/strong\u003e helps make that moment reliable every single time. Designed for \u003cstrong data-start=\"429\" data-end=\"495\"\u003eGM-based MerCruiser V8 engines with Delco HEI ignition systems\u003c\/strong\u003e (excluding MPI engines with ECM 555 connectors), this OEM-quality cap keeps your ignition system firing crisp and consistent under the harshest marine conditions.\u003c\/p\u003e\n\u003cp data-start=\"662\" data-end=\"886\"\u003eMercury built this cap for the real world — where heat, moisture, and vibration are constant companions. It’s not the kind of part you’ll think about often, and that’s the point. When it’s doing its job, you won’t have to.\u003c\/p\u003e\n\u003chr data-start=\"888\" data-end=\"891\"\u003e\n\u003ch3 data-start=\"893\" data-end=\"915\"\u003e\u003cstrong data-start=\"897\" data-end=\"913\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"918\" data-end=\"1034\"\u003e\n\u003cstrong data-start=\"918\" data-end=\"930\"\u003ePurpose:\u003c\/strong\u003e Ensures steady spark delivery and precise timing for smooth starts and dependable engine performance.\u003c\/li\u003e\n\u003cli data-start=\"1037\" data-end=\"1172\"\u003e\n\u003cstrong data-start=\"1037\" data-end=\"1049\"\u003eFitment:\u003c\/strong\u003e Fits \u003cstrong data-start=\"1055\" data-end=\"1118\"\u003eV8 MerCruiser engines by GM with Delco HEI ignition systems\u003c\/strong\u003e, excluding \u003cstrong data-start=\"1130\" data-end=\"1169\"\u003eMPI engines with ECM 555 connectors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1175\" data-end=\"1309\"\u003e\n\u003cstrong data-start=\"1175\" data-end=\"1192\"\u003eConstruction:\u003c\/strong\u003e Made from a \u003cstrong data-start=\"1205\" data-end=\"1226\"\u003ePBT\/PET composite\u003c\/strong\u003e for superior strength, stiffness, and resistance to heat distortion or cracking.\u003c\/li\u003e\n\u003cli data-start=\"1312\" data-end=\"1441\"\u003e\n\u003cstrong data-start=\"1312\" data-end=\"1338\"\u003eElectrical Components:\u003c\/strong\u003e \u003cstrong data-start=\"1339\" data-end=\"1364\"\u003eSolid brass terminals\u003c\/strong\u003e offer long-lasting conductivity and protect against corrosion and pitting.\u003c\/li\u003e\n\u003cli data-start=\"1444\" data-end=\"1562\"\u003e\n\u003cstrong data-start=\"1444\" data-end=\"1465\"\u003eDesign Advantage:\u003c\/strong\u003e Engineered to reduce \u003cstrong data-start=\"1487\" data-end=\"1507\"\u003eRFI interference\u003c\/strong\u003e that can affect GPS, radios, or onboard electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1564\" data-end=\"1567\"\u003e\n\u003ch3 data-start=\"1569\" data-end=\"1606\"\u003e\u003cstrong data-start=\"1573\" data-end=\"1604\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1609\" data-end=\"1661\"\u003eGM \/ MerCruiser V8 engines (excluding MPI ECM 555)\u003c\/li\u003e\n\u003cli data-start=\"1664\" data-end=\"1692\"\u003eDelco HEI ignition systems\u003c\/li\u003e\n\u003cli data-start=\"1695\" data-end=\"1773\"\u003eCommonly found on inboard cruisers, sterndrive setups, and performance boats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1775\" data-end=\"1778\"\u003e\n\u003ch3 data-start=\"1780\" data-end=\"1822\"\u003e\u003cstrong data-start=\"1784\" data-end=\"1820\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1823\" data-end=\"2231\"\u003eThe \u003cstrong data-start=\"1827\" data-end=\"1839\"\u003e808483T3\u003c\/strong\u003e distributor cap delivers more than spark — it delivers consistency. Every start, every throttle pull, every cruise feels cleaner and more predictable because the ignition system isn’t fighting weak or erratic spark transfer. The precision-molded cap keeps terminals perfectly aligned, while the brass inserts maintain a clean, low-resistance connection that stands up to heat and humidity.\u003c\/p\u003e\n\u003cp data-start=\"2233\" data-end=\"2523\"\u003eYou’ll notice smoother idling, quicker starts, and a more stable top-end response. And with its RFI-resistant design, you won’t get that annoying static across your depth finder or radio when the engine’s running. It’s one of those small details that adds up to a better day on the water.\u003c\/p\u003e\n\u003chr data-start=\"2525\" data-end=\"2528\"\u003e\n\u003ch3 data-start=\"2530\" data-end=\"2551\"\u003e\u003cstrong data-start=\"2534\" data-end=\"2549\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2552\" data-end=\"2907\"\u003eMercury’s OEM components are built for the marine environment — not adapted from automotive parts. The materials, tolerances, and coatings are designed to handle salt spray, constant heat cycling, and long periods of storage without failure. Aftermarket parts often cut corners on materials, leading to warping or misfiring that can ruin a weekend fast.\u003c\/p\u003e\n\u003cp data-start=\"2909\" data-end=\"3126\"\u003eWhen you stick with OEM, you’re keeping your ignition system the way Mercury intended — precise, durable, and ready for anything. It’s the kind of part you install once and don’t have to think about again for years.\u003c\/p\u003e\n\u003chr data-start=\"3128\" data-end=\"3131\"\u003e\n\u003ch3 data-start=\"3133\" data-end=\"3146\"\u003e\u003cstrong data-start=\"3137\" data-end=\"3144\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3147\" data-end=\"3335\"\u003e\u003cstrong data-start=\"3147\" data-end=\"3198\"\u003eQ1: Which engines use the Quicksilver 808483T3?\u003c\/strong\u003e\u003cbr data-start=\"3198\" data-end=\"3201\"\u003eA: It fits \u003cstrong data-start=\"3212\" data-end=\"3246\"\u003eGM-based V8 MerCruiser engines\u003c\/strong\u003e with \u003cstrong data-start=\"3252\" data-end=\"3282\"\u003eDelco HEI ignition systems\u003c\/strong\u003e, excluding \u003cstrong data-start=\"3294\" data-end=\"3332\"\u003eMPI models with ECM 555 connectors\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3337\" data-end=\"3565\"\u003e\u003cstrong data-start=\"3337\" data-end=\"3399\"\u003eQ2: What makes this different from other Quicksilver caps?\u003c\/strong\u003e\u003cbr data-start=\"3399\" data-end=\"3402\"\u003eA: The \u003cstrong data-start=\"3409\" data-end=\"3421\"\u003e808483T3\u003c\/strong\u003e is designed for non-MPI HEI systems, offering the same rugged build and fit as other Mercury OEM caps but with specific application coverage.\u003c\/p\u003e\n\u003cp data-start=\"3567\" data-end=\"3767\"\u003e\u003cstrong data-start=\"3567\" data-end=\"3606\"\u003eQ3: Can I install this part myself?\u003c\/strong\u003e\u003cbr data-start=\"3606\" data-end=\"3609\"\u003eA: Yes. It’s a simple replacement for most owners familiar with ignition maintenance. Just label your wires before swapping to maintain proper firing order.\u003c\/p\u003e\n\u003cp data-start=\"3769\" data-end=\"3953\"\u003e\u003cstrong data-start=\"3769\" data-end=\"3812\"\u003eQ4: Is it suitable for saltwater boats?\u003c\/strong\u003e\u003cbr data-start=\"3812\" data-end=\"3815\"\u003eA: Absolutely. The cap’s \u003cstrong data-start=\"3840\" data-end=\"3859\"\u003ebrass terminals\u003c\/strong\u003e and corrosion-resistant housing perform well in both saltwater and freshwater environments.\u003c\/p\u003e\n\u003cp data-start=\"3955\" data-end=\"4119\"\u003e\u003cstrong data-start=\"3955\" data-end=\"4009\"\u003eQ5: Will it interfere with my onboard electronics?\u003c\/strong\u003e\u003cbr data-start=\"4009\" data-end=\"4012\"\u003eA: No. It’s designed to minimize \u003cstrong data-start=\"4045\" data-end=\"4065\"\u003eRFI interference\u003c\/strong\u003e, keeping your electronic systems operating clearly.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936185078051,"sku":"808483T3","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/808483t3_main.jpg?v=1760631189","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-mercruiser-distributor-cap-fits-gm-v-8-engines-with-delco-hei-ignition-except-mpi-engines-with-ecm-555-808483t3","provider":"PartsVu","version":"1.0","type":"link"}