{"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","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-mercruiser-cap-and-rotor-kit-fits-gm-4-cylinder-engines-with-delco-est-ignition-811635k2","provider":"PartsVu","version":"1.0","type":"link"}