{"product_id":"marine-spark-plug-wire-set-for-6-cylinder-prestolite-stern-drive-replaces-mercruiser-84-816761q7-omc-503750-sierra-18-8801-1","title":"Sierra 18-8801-1 MagForce Spark Plug Wire Set for 262 cid 6-Cylinder Prestolite Ignition Engines, 1986-1992","description":"\u003cp\u003eThe Sierra 18-8801-1 is a MagForce ignition wire set built for 262 cid 6-cylinder marine engines equipped with a Prestolite distributor featuring a screw-down cap, covering the 1986 through 1992 model years. Sierra's MagForce wires are engineered to be \"Electronics Friendly,\" shielding onboard electronic devices and electronic engine controls from RFI and EMI interference while still delivering maximum voltage to the plugs. Each wire uses a Kevlar core paired with a durable stainless steel wound conductor for consistent conductivity and long service life, wrapped in premium silicone jacketing and boots for protection against high underhood and bilge temperatures. Spark plug and distributor terminals are corrosion resistant stainless steel for reliable long-term contact. The set is designed as an exact-fit replacement, so installation follows the factory wire routing without modification. This is a universal fit ignition wire set intended for the specific engine and distributor combination listed in the fitment section below, and it is backed by Sierra's Industry Leading Customer Satisfaction Warranty.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-8801-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 262 cid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cylinders:\u003c\/strong\u003e 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistributor Type:\u003c\/strong\u003e Prestolite (screw-down cap)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear Range:\u003c\/strong\u003e 1986-1992\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition Type:\u003c\/strong\u003e Prestolite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore Material:\u003c\/strong\u003e Kevlar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor:\u003c\/strong\u003e Stainless steel wound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJacket\/Boot Material:\u003c\/strong\u003e Silicone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Material:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRFI\/EMI Protection:\u003c\/strong\u003e Yes (MagForce electronics-friendly design)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit Type:\u003c\/strong\u003e Universal Fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.4 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282194314\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e262 cid, 6-cylinder engine with Prestolite distributor (screw-down cap), 1986-1992\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e84-816761Q7\u003c\/li\u003e\n\u003cli\u003e84-816761A7\u003c\/li\u003e\n\u003cli\u003e84-813720A7\u003c\/li\u003e\n\u003cli\u003e84-43376A7\u003c\/li\u003e\n\u003cli\u003e503750\u003c\/li\u003e\n\u003cli\u003e876532-3\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engine does the Sierra 18-8801-1 spark plug wire set fit?\u003c\/strong\u003e The 18-8801-1 is built for a 262 cid, 6-cylinder marine engine equipped with a Prestolite distributor that has a screw-down cap, covering the 1986 through 1992 model years.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-8801-1 wire set compatible with a Delco distributor instead of Prestolite?\u003c\/strong\u003e No. The 18-8801-1 is designed specifically for the Prestolite screw-down cap distributor used on the 262 cid 6-cylinder engine from 1986-1992; engines with a Delco distributor require a different Sierra wire set.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part numbers does the Sierra 18-8801-1 cross-reference?\u003c\/strong\u003e This set replaces Mercruiser stern drive numbers 84-816761Q7, 84-816761A7, 84-813720A7, and 84-43376A7, OMC number 503750, and Volvo Penta number 876532-3.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the spark plug wire core made from?\u003c\/strong\u003e The 18-8801-1 uses a Kevlar core combined with a stainless steel wound conductor, giving the wire durability along with strong conductivity for engine performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill these wires interfere with onboard electronics?\u003c\/strong\u003e No. Sierra's MagForce design used in the 18-8801-1 is built to be electronics friendly, suppressing RFI and EMI so it does not disrupt electronic engine controls or other onboard electronic devices while still delivering full voltage to the plugs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many cylinders does the 18-8801-1 wire set cover?\u003c\/strong\u003e It is a 6-cylinder set, matching the 262 cid engine's cylinder count.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the boots and jacketing made of on this wire set?\u003c\/strong\u003e The 18-8801-1 uses premium silicone jacketing and boots, which provide protection against high underhood temperatures.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the terminals on the 18-8801-1 corrosion resistant?\u003c\/strong\u003e Yes, the spark plug and distributor terminals are made of corrosion resistant stainless steel for reliable long-term electrical contact in a marine environment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-8801-1 wire set weigh?\u003c\/strong\u003e The 18-8801-1 spark plug wire set weighs 1.4 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-8801-1 an exact-fit replacement or a universal wire kit?\u003c\/strong\u003e It is manufactured to an exact-fit design for easy installation on the specified 262 cid Prestolite-equipped engine, and Sierra lists it with a universal fit type for the covered application.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Sierra 18-8801-1 come with a warranty?\u003c\/strong\u003e Yes, the 18-8801-1 is covered under Sierra's Industry Leading Customer Satisfaction Warranty.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat years does the 18-8801-1 cover for the 262 cid engine?\u003c\/strong\u003e It covers model years 1986 through 1992 for the 262 cid, 6-cylinder engine with a Prestolite screw-down cap distributor.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988434563291,"sku":"SIE-18-8801-1","price":57.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/18-8801-1__99543.1739459110.500.750.jpg?v=1785188864","url":"https:\/\/www.goodvibesmarina.com\/products\/marine-spark-plug-wire-set-for-6-cylinder-prestolite-stern-drive-replaces-mercruiser-84-816761q7-omc-503750-sierra-18-8801-1","provider":"Good Vibes Marina","version":"1.0","type":"link"}