{"product_id":"mercury-mercruiser-distributor-cap-fits-ford-gm-v-8-engines-with-mallory-ignition-391-5075q1","title":"Mercury – Quicksilver Distributor Cap | Ignition System Component | Brass Terminals | 5075Q1","description":"\u003cp data-start=\"0\" data-end=\"98\"\u003e\u003cstrong data-start=\"0\" data-end=\"96\"\u003eMercury – Quicksilver Distributor Cap | Ignition System Component | Brass Terminals | 5075Q1\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"100\" data-end=\"103\"\u003e\n\u003ch3 data-start=\"105\" data-end=\"123\"\u003e\u003cstrong data-start=\"109\" data-end=\"121\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"124\" data-end=\"668\"\u003eA strong, even spark can make or break your day on the water. The \u003cstrong data-start=\"190\" data-end=\"243\"\u003eMercury Marine 5075Q1 Quicksilver Distributor Cap\u003c\/strong\u003e is built for \u003cstrong data-start=\"257\" data-end=\"297\"\u003emarinized Ford V8 MerCruiser engines\u003c\/strong\u003e that use \u003cstrong data-start=\"307\" data-end=\"348\"\u003eMallory conventional ignition systems\u003c\/strong\u003e, delivering consistent spark and dependable performance. It’s made from a tough blend of heat-resistant plastics and features solid brass terminals that hold up to salt, moisture, and vibration. Whether you’re idling through the marina or cruising wide open, this OEM cap keeps your ignition firing smooth and steady.\u003c\/p\u003e\n\u003chr data-start=\"670\" data-end=\"673\"\u003e\n\u003ch3 data-start=\"675\" data-end=\"697\"\u003e\u003cstrong data-start=\"679\" data-end=\"695\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"700\" data-end=\"790\"\u003e\n\u003cstrong data-start=\"700\" data-end=\"708\"\u003eJob:\u003c\/strong\u003e Distributes ignition voltage evenly to each cylinder for clean, reliable power.\u003c\/li\u003e\n\u003cli data-start=\"793\" data-end=\"891\"\u003e\n\u003cstrong data-start=\"793\" data-end=\"806\"\u003eMaterial:\u003c\/strong\u003e Molded from \u003cstrong data-start=\"819\" data-end=\"852\"\u003ehigh-strength PBT\/PET polymer\u003c\/strong\u003e that won’t warp or crack under heat.\u003c\/li\u003e\n\u003cli data-start=\"894\" data-end=\"985\"\u003e\n\u003cstrong data-start=\"894\" data-end=\"907\"\u003eContacts:\u003c\/strong\u003e \u003cstrong data-start=\"908\" data-end=\"933\"\u003eSolid brass terminals\u003c\/strong\u003e for corrosion resistance and strong conductivity.\u003c\/li\u003e\n\u003cli data-start=\"988\" data-end=\"1079\"\u003e\n\u003cstrong data-start=\"988\" data-end=\"1004\"\u003ePerformance:\u003c\/strong\u003e Helps your engine start faster, idle smoother, and run more efficiently.\u003c\/li\u003e\n\u003cli data-start=\"1082\" data-end=\"1176\"\u003e\n\u003cstrong data-start=\"1082\" data-end=\"1097\"\u003eProtection:\u003c\/strong\u003e Designed to \u003cstrong data-start=\"1110\" data-end=\"1137\"\u003ereduce RFI interference\u003c\/strong\u003e with radios and onboard electronics.\u003c\/li\u003e\n\u003cli data-start=\"1179\" data-end=\"1286\"\u003e\n\u003cstrong data-start=\"1179\" data-end=\"1187\"\u003eFit:\u003c\/strong\u003e Made for \u003cstrong data-start=\"1197\" data-end=\"1227\"\u003eFord V8 MerCruiser engines\u003c\/strong\u003e equipped with \u003cstrong data-start=\"1242\" data-end=\"1283\"\u003eMallory conventional ignition systems\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1288\" data-end=\"1291\"\u003e\n\u003ch3 data-start=\"1293\" data-end=\"1330\"\u003e\u003cstrong data-start=\"1297\" data-end=\"1328\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1333\" data-end=\"1367\"\u003eFord-based V8 MerCruiser engines\u003c\/li\u003e\n\u003cli data-start=\"1370\" data-end=\"1409\"\u003eMallory conventional ignition systems\u003c\/li\u003e\n\u003cli data-start=\"1412\" data-end=\"1496\"\u003eInboard and sterndrive setups used on cruisers, classic runabouts, and sport boats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1498\" data-end=\"1501\"\u003e\n\u003ch3 data-start=\"1503\" data-end=\"1546\"\u003e\u003cstrong data-start=\"1507\" data-end=\"1544\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1547\" data-end=\"1852\"\u003eThe \u003cstrong data-start=\"1551\" data-end=\"1577\"\u003e5075Q1 distributor cap\u003c\/strong\u003e is all about keeping your spark strong and consistent. The durable polymer housing shields your ignition from heat and moisture, while the brass terminals provide clean, even current to every plug. The result? Faster starts, smoother throttle response, and fewer misfires.\u003c\/p\u003e\n\u003cp data-start=\"1854\" data-end=\"2091\"\u003eIt’s a simple upgrade that restores your ignition system’s reliability — especially on older boats where time and corrosion have taken their toll. Once installed, you’ll notice cleaner running and stronger performance across the board.\u003c\/p\u003e\n\u003chr data-start=\"2093\" data-end=\"2096\"\u003e\n\u003ch3 data-start=\"2098\" data-end=\"2130\"\u003e\u003cstrong data-start=\"2102\" data-end=\"2128\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2131\" data-end=\"2387\"\u003eThe \u003cstrong data-start=\"2135\" data-end=\"2157\"\u003eQuicksilver 5075Q1\u003c\/strong\u003e is a \u003cstrong data-start=\"2163\" data-end=\"2187\"\u003egenuine Mercury part\u003c\/strong\u003e, made with the exact materials and tolerances your MerCruiser engine was built to use. Aftermarket caps often rely on cheaper plastic and aluminum contacts that corrode faster and weaken over time.\u003c\/p\u003e\n\u003cp data-start=\"2389\" data-end=\"2614\"\u003eMercury’s OEM caps are designed for real-world marine environments — constant heat, moisture, and vibration — and tested to handle them all. Using factory parts ensures your ignition works right every time you turn the key.\u003c\/p\u003e\n\u003chr data-start=\"2616\" data-end=\"2619\"\u003e\n\u003ch3 data-start=\"2621\" data-end=\"2634\"\u003e\u003cstrong data-start=\"2625\" data-end=\"2632\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2636\" data-end=\"2792\"\u003e\u003cstrong data-start=\"2636\" data-end=\"2682\"\u003eQ1: What engines use this distributor cap?\u003c\/strong\u003e\u003cbr data-start=\"2682\" data-end=\"2685\"\u003eIt’s made for \u003cstrong data-start=\"2699\" data-end=\"2739\"\u003emarinized Ford V8 MerCruiser engines\u003c\/strong\u003e running \u003cstrong data-start=\"2748\" data-end=\"2789\"\u003eMallory conventional ignition systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2794\" data-end=\"2921\"\u003e\u003cstrong data-start=\"2794\" data-end=\"2822\"\u003eQ2: What’s it made from?\u003c\/strong\u003e\u003cbr data-start=\"2822\" data-end=\"2825\"\u003eA tough \u003cstrong data-start=\"2833\" data-end=\"2858\"\u003ePBT\/PET plastic blend\u003c\/strong\u003e with \u003cstrong data-start=\"2864\" data-end=\"2889\"\u003esolid brass terminals\u003c\/strong\u003e for long-lasting performance.\u003c\/p\u003e\n\u003cp data-start=\"2923\" data-end=\"3045\"\u003e\u003cstrong data-start=\"2923\" data-end=\"2969\"\u003eQ3: What are the signs it needs replacing?\u003c\/strong\u003e\u003cbr data-start=\"2969\" data-end=\"2972\"\u003eHard starts, misfires, rough idle, or visible corrosion inside the cap.\u003c\/p\u003e\n\u003cp data-start=\"3047\" data-end=\"3194\"\u003e\u003cstrong data-start=\"3047\" data-end=\"3101\"\u003eQ4: Does it protect electronics from interference?\u003c\/strong\u003e\u003cbr data-start=\"3101\" data-end=\"3104\"\u003eYes — it’s designed to reduce radio frequency interference (RFI) for smoother operation.\u003c\/p\u003e\n\u003cp data-start=\"3196\" data-end=\"3361\"\u003e\u003cstrong data-start=\"3196\" data-end=\"3239\"\u003eQ5: Why buy OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3239\" data-end=\"3242\"\u003eOEM caps are built with better materials and tighter tolerances, giving you dependable spark and longer service life.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940267348259,"sku":"391-5075Q1","price":54.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/5075q1_main.jpg?v=1760631172","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-mercruiser-distributor-cap-fits-ford-gm-v-8-engines-with-mallory-ignition-391-5075q1","provider":"PartsVu","version":"1.0","type":"link"}