{"product_id":"mercury-mercruiser-spark-plug-wire-kit-fits-gm-v-8-454-482-cid-engines-with-conventional-points-or-thunderbolt-ignition-84-816761q10","title":"Mercury – Quicksilver 816761Q10 Spark Plug Wire Kit | V8 GM MerCruiser Engines (454 \u0026 482 CID) | Points \u0026 Thunderbolt Ignition | 816761Q10","description":"\u003cp data-start=\"0\" data-end=\"144\"\u003e\u003cstrong data-start=\"0\" data-end=\"142\"\u003eMercury – Quicksilver 816761Q10 Spark Plug Wire Kit | V8 GM MerCruiser Engines (454 \u0026amp; 482 CID) | Points \u0026amp; Thunderbolt Ignition | 816761Q10\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"146\" data-end=\"149\"\u003e\n\u003ch3 data-start=\"151\" data-end=\"169\"\u003e\u003cstrong data-start=\"155\" data-end=\"167\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"170\" data-end=\"598\"\u003eWhen you turn the key, you want instant ignition — not hesitation. The \u003cstrong data-start=\"241\" data-end=\"286\"\u003eQuicksilver 816761Q10 Spark Plug Wire Kit\u003c\/strong\u003e keeps your classic \u003cstrong data-start=\"306\" data-end=\"357\"\u003eV8 GM-based MerCruiser engine (454 and 482 CID)\u003c\/strong\u003e firing strong and running smooth. Designed for both \u003cstrong data-start=\"410\" data-end=\"462\"\u003econventional points ignition systems (1977–1985)\u003c\/strong\u003e and \u003cstrong data-start=\"467\" data-end=\"502\"\u003eThunderbolt systems (1969–1981)\u003c\/strong\u003e, this OEM set delivers clean spark and dependable performance for vintage marine powerplants.\u003c\/p\u003e\n\u003cp data-start=\"600\" data-end=\"891\"\u003eEach wire is built to Mercury’s standards, cut to the exact length for your engine, and fitted with molded boots that seal out moisture. Whether you’re maintaining an old-school cruiser or keeping a big-block tow boat alive, these wires ensure the strong ignition your motor was built for.\u003c\/p\u003e\n\u003chr data-start=\"893\" data-end=\"896\"\u003e\n\u003ch3 data-start=\"898\" data-end=\"920\"\u003e\u003cstrong data-start=\"902\" data-end=\"918\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"923\" data-end=\"1011\"\u003e\n\u003cstrong data-start=\"923\" data-end=\"935\"\u003ePurpose:\u003c\/strong\u003e Restores reliable spark delivery for consistent ignition and performance.\u003c\/li\u003e\n\u003cli data-start=\"1014\" data-end=\"1153\"\u003e\n\u003cstrong data-start=\"1014\" data-end=\"1026\"\u003eFitment:\u003c\/strong\u003e For \u003cstrong data-start=\"1031\" data-end=\"1081\"\u003eV8 GM-based MerCruiser engines (454 \u0026amp; 482 CID)\u003c\/strong\u003e using \u003cstrong data-start=\"1088\" data-end=\"1110\"\u003epoints (1977–1985)\u003c\/strong\u003e or \u003cstrong data-start=\"1114\" data-end=\"1150\"\u003eThunderbolt ignition (1969–1981)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1156\" data-end=\"1246\"\u003e\n\u003cstrong data-start=\"1156\" data-end=\"1173\"\u003eKit Contents:\u003c\/strong\u003e Complete \u003cstrong data-start=\"1183\" data-end=\"1216\"\u003eset of eight spark plug wires\u003c\/strong\u003e with molded plug-end boots.\u003c\/li\u003e\n\u003cli data-start=\"1249\" data-end=\"1342\"\u003e\n\u003cstrong data-start=\"1249\" data-end=\"1260\"\u003eDesign:\u003c\/strong\u003e Each wire is \u003cstrong data-start=\"1274\" data-end=\"1291\"\u003ecustom-length\u003c\/strong\u003e for the correct plug location and clean routing.\u003c\/li\u003e\n\u003cli data-start=\"1345\" data-end=\"1455\"\u003e\n\u003cstrong data-start=\"1345\" data-end=\"1360\"\u003eDurability:\u003c\/strong\u003e Built for \u003cstrong data-start=\"1371\" data-end=\"1422\"\u003emarine heat, vibration, and moisture resistance\u003c\/strong\u003e to prevent cracking or arcing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1457\" data-end=\"1460\"\u003e\n\u003ch3 data-start=\"1462\" data-end=\"1499\"\u003e\u003cstrong data-start=\"1466\" data-end=\"1497\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1502\" data-end=\"1554\"\u003eGM-based MerCruiser 454 CID and 482 CID V8 engines\u003c\/li\u003e\n\u003cli data-start=\"1557\" data-end=\"1617\"\u003eConventional points and early Thunderbolt ignition systems\u003c\/li\u003e\n\u003cli data-start=\"1620\" data-end=\"1690\"\u003eCommon on older sport boats, cruisers, and classic inboard\/outboards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1692\" data-end=\"1695\"\u003e\n\u003ch3 data-start=\"1697\" data-end=\"1739\"\u003e\u003cstrong data-start=\"1701\" data-end=\"1737\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1740\" data-end=\"2015\"\u003eThe \u003cstrong data-start=\"1744\" data-end=\"1761\"\u003e816761Q10 kit\u003c\/strong\u003e brings back the reliable spark your classic MerCruiser needs. With low-resistance cores and snug-fitting boots, these wires deliver a strong, even spark to every cylinder — reducing misfires, improving throttle response, and making cold starts easier.\u003c\/p\u003e\n\u003cp data-start=\"2017\" data-end=\"2239\"\u003eMarine-grade insulation helps protect against moisture and heat, keeping the spark focused where it belongs. The result? A smoother idle, better mid-range power, and a dependable engine that responds when you ask for it.\u003c\/p\u003e\n\u003chr data-start=\"2241\" data-end=\"2244\"\u003e\n\u003ch3 data-start=\"2246\" data-end=\"2267\"\u003e\u003cstrong data-start=\"2250\" data-end=\"2265\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2268\" data-end=\"2492\"\u003eVintage engines deserve precision parts. Mercury’s OEM plug wires are engineered for marine use — not automotive adaptation — with exact lengths, proper resistance, and durable insulation that can handle marine conditions.\u003c\/p\u003e\n\u003cp data-start=\"2494\" data-end=\"2774\"\u003eAftermarket wire sets can look similar, but they often don’t match Mercury’s quality or fit. Using \u003cstrong data-start=\"2593\" data-end=\"2618\"\u003eQuicksilver OEM wires\u003c\/strong\u003e ensures perfect fitment, factory-level performance, and long-lasting reliability — so your classic engine keeps running like it did the day it was built.\u003c\/p\u003e\n\u003chr data-start=\"2776\" data-end=\"2779\"\u003e\n\u003ch3 data-start=\"2781\" data-end=\"2794\"\u003e\u003cstrong data-start=\"2785\" data-end=\"2792\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2795\" data-end=\"2995\"\u003e\u003cstrong data-start=\"2795\" data-end=\"2850\"\u003eQ1: What engines fit the Quicksilver 816761Q10 kit?\u003c\/strong\u003e\u003cbr data-start=\"2850\" data-end=\"2853\"\u003eA: It fits \u003cstrong data-start=\"2864\" data-end=\"2916\"\u003eV8 GM-based MerCruiser engines (454 and 482 CID)\u003c\/strong\u003e with \u003cstrong data-start=\"2922\" data-end=\"2953\"\u003epoints ignition (1977–1985)\u003c\/strong\u003e or \u003cstrong data-start=\"2957\" data-end=\"2992\"\u003eThunderbolt systems (1969–1981)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2997\" data-end=\"3121\"\u003e\u003cstrong data-start=\"2997\" data-end=\"3036\"\u003eQ2: How many wires come in the kit?\u003c\/strong\u003e\u003cbr data-start=\"3036\" data-end=\"3039\"\u003eA: The kit includes \u003cstrong data-start=\"3059\" data-end=\"3085\"\u003eeight spark plug wires\u003c\/strong\u003e, each with molded plug-end boots.\u003c\/p\u003e\n\u003cp data-start=\"3123\" data-end=\"3263\"\u003e\u003cstrong data-start=\"3123\" data-end=\"3162\"\u003eQ3: Can these be used in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"3162\" data-end=\"3165\"\u003eA: Yes. They’re built with corrosion-resistant materials for both salt and freshwater operation.\u003c\/p\u003e\n\u003cp data-start=\"3265\" data-end=\"3416\"\u003e\u003cstrong data-start=\"3265\" data-end=\"3298\"\u003eQ4: Are they easy to install?\u003c\/strong\u003e\u003cbr data-start=\"3298\" data-end=\"3301\"\u003eA: Very. The wires are cut to factory lengths — just replace them one at a time to keep the firing order correct.\u003c\/p\u003e\n\u003cp data-start=\"3418\" data-end=\"3602\"\u003e\u003cstrong data-start=\"3418\" data-end=\"3471\"\u003eQ5: Why use OEM wires instead of automotive ones?\u003c\/strong\u003e\u003cbr data-start=\"3471\" data-end=\"3474\"\u003eA: Marine engines face constant heat, vibration, and moisture — OEM wires are built for those conditions and will last longer.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936069407011,"sku":"84-816761Q10","price":93.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/816761q9_2.jpg?v=1761575223","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-mercruiser-spark-plug-wire-kit-fits-gm-v-8-454-482-cid-engines-with-conventional-points-or-thunderbolt-ignition-84-816761q10","provider":"PartsVu","version":"1.0","type":"link"}