{"product_id":"87-17009a5-mp51090-ignition-key-switch-for-mercury-3-position-off-run-start","title":"87-17009A5 MP51090 Ignition Key Switch for Mercury 3 Position Off Run Start","description":"\u003ch2\u003eIgnition Key Switch for Mercury\u003c\/h2\u003e\u003cp\u003eThis 3-position Off-Run-Start ignition key switch for Mercury replaces OEM part numbers 87-17009A5 and MP51090, providing reliable engine start\/stop control for compatible Mercury marine engines.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Ignition Key Switch for Mercury is a three-position replacement switch (Off-Run-Start) designed for Mercury outboard and inboard engines. It serves as a direct substitute for original part numbers 87-17009A5 and MP51090, offering a hassle-free installation and dependable ignition switching.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eThree clearly marked positions: Off, Run, and Start\u003c\/li\u003e\n\u003cli\u003eRugged construction withstands marine moisture and vibration\u003c\/li\u003e\n\u003cli\u003eIncludes key for secure operation\u003c\/li\u003e\n\u003cli\u003eDirect plug-in replacement for listed OEM switches\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant terminals ensure consistent electrical contact\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStarting and stopping Mercury outboard engines\u003c\/li\u003e\n\u003cli\u003eReplacing a worn or faulty ignition switch on a boat console\u003c\/li\u003e\n\u003cli\u003eRestoring reliable electrical power to the ignition system\u003c\/li\u003e\n\u003cli\u003eProviding a simple on\/off\/start interface for marine applications\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\u003e87-17009A5, MP51090\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePositions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 (Off-Run-Start)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIgnition Key Switch\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 Does this switch include a key? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the ignition key switch comes with one key for locking and unlocking the Off, Run, and Start positions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this work on a 1990 Mercury 50 HP outboard? \u003cstrong\u003eA:\u003c\/strong\u003e It is compatible with many Mercury engines using the 87-17009A5 or MP51090 switch, but verify your specific engine’s part number to ensure a match.\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":53676911165713,"sku":"ZZ2Y01299","price":57.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_b05256f8-ee66-4cd9-ab33-121c1b5e46eb.jpg?v=1781580857","url":"https:\/\/www.duraforce.com\/products\/87-17009a5-mp51090-ignition-key-switch-for-mercury-3-position-off-run-start","provider":"DURAFORCE","version":"1.0","type":"link"}