{"product_id":"87-91019a3-ignition-sensor-for-mercruiser-thunderbolt-87-892150q02-18-5116-1","title":"87 91019A3 Ignition Sensor for MerCruiser Thunderbolt 87 892150Q02 18 5116 1","description":"\u003ch2\u003eIgnition Sensor for MerCruiser\u003c\/h2\u003e\u003cp\u003eThis ignition sensor for MerCruiser Thunderbolt systems replaces OEM part numbers 87-91019A3, 87-892150Q02, and 18-5116-1, providing reliable spark timing for marine engines. It is designed to work with MerCruiser Thunderbolt ignition systems to ensure consistent engine performance. The ignition sensor helps maintain optimal combustion in your MerCruiser stern drive or inboard engine.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe ignition sensor for MerCruiser is a direct replacement component that restores proper ignition timing in Thunderbolt-equipped engines. It is intended for boat owners and marine mechanics who need a dependable sensor for MerCruiser motors. This ignition sensor delivers the signal needed for accurate spark advance under varying loads.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-ground sensing tip for consistent trigger signal\u003c\/li\u003e\n\u003cli\u003eRugged construction resists moisture and vibration common in marine environments\u003c\/li\u003e\n\u003cli\u003eDirect-fit design eliminates modifications for most MerCruiser Thunderbolt applications\u003c\/li\u003e\n\u003cli\u003eReplaces multiple OEM numbers for broad compatibility\u003c\/li\u003e\n\u003cli\u003eTested to meet original equipment specifications for timing accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed in MerCruiser stern drive engines for daily boating\u003c\/li\u003e\n\u003cli\u003eCommonly installed during tune-ups on Thunderbolt ignition systems\u003c\/li\u003e\n\u003cli\u003eSuitable for saltwater and freshwater marine applications\u003c\/li\u003e\n\u003cli\u003eIdeal for both recreational powerboats and fishing vessels\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e87-91019A3, 87-892150Q02, 18-5116-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMagnetic pickup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMerCruiser Thunderbolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this ignition sensor fit all MerCruiser engines? \u003cstrong\u003eA:\u003c\/strong\u003e It fits MerCruiser models equipped with Thunderbolt ignition systems, but always verify your engine’s serial number and existing part number before purchase.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I install this ignition sensor? \u003cstrong\u003eA:\u003c\/strong\u003e Installation involves removing the old sensor, cleaning the mounting area, and securing the new sensor to the specified gap; consult your service manual for exact procedure.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53676944392465,"sku":"ZZ2Y01494","price":68.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_094d2dea-c549-4879-874b-a271c904ae2c.jpg?v=1781581300","url":"https:\/\/www.duraforce.com\/products\/87-91019a3-ignition-sensor-for-mercruiser-thunderbolt-87-892150q02-18-5116-1","provider":"DURAFORCE","version":"1.0","type":"link"}