{"product_id":"neutral-switch-shift-8m0052939-fit-mercury-cmd-qsd-2-0-es-130-150-170-814281a7","title":"Neutral Switch Shift 8M0052939 Fit Mercury CMD QSD 2.0 ES 130 150 170 814281A7","description":"\u003ch2\u003eNeutral Switch Shift for Mercury CMD QSD 2.0 ES\u003c\/h2\u003e\u003cp\u003eThis neutral switch shift 8M0052939 is a direct replacement for Mercury CMD QSD 2.0 ES stern drive and inboard systems, ensuring reliable shift engagement and neutral safety. The neutral switch shift 8M0052939 monitors gear position to prevent starting in gear, protecting the drive train. It is designed as an aftermarket component for Mercury and Mercury MerCruiser, matching OEM cross-reference 8M0052939 and 814281A7.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis neutral switch shift 8M0052939 is a marine-grade electrical switch that detects when the shift mechanism is in neutral or in gear. It sends a signal to the engine control system to enable safe starting and throttle operation. This neutral switch shift is built for Mercury CMD QSD 2.0 ES models from 130 through 170 horsepower, offering a dependable replacement for a worn or failed original switch.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for Mercury CMD QSD 2.0 ES shift assemblies\u003c\/li\u003e\n\u003cli\u003eMatches OEM part number 8M0052939 and cross-reference 814281A7\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant marine-grade housing for saltwater and freshwater use\u003c\/li\u003e\n\u003cli\u003ePrecise electrical contact for consistent neutral safety and shift detection\u003c\/li\u003e\n\u003cli\u003eSealed connector to resist moisture and vibration damage\u003c\/li\u003e\n\u003cli\u003eSimple bolt-on installation with existing hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Mercury CMD QSD 2.0 ES 130\u003c\/li\u003e\n\u003cli\u003efor Mercury CMD QSD 2.0 ES 150\u003c\/li\u003e\n\u003cli\u003efor Mercury CMD QSD 2.0 ES 170\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing a faulty neutral switch that allows starting in gear\u003c\/li\u003e\n\u003cli\u003eServicing a Mercury CMD QSD 2.0 ES stern drive during regular maintenance\u003c\/li\u003e\n\u003cli\u003eRestoring shift interlock functionality on a marine diesel engine platform\u003c\/li\u003e\n\u003cli\u003ePerforming a repair when the engine fails to start or cranks unexpectedly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8M0052939, 814281A7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNeutral switch shift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMercury CMD QSD 2.0 ES 130, 150, 170\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know if my neutral switch shift 8M0052939 is failing? \u003cstrong\u003eA:\u003c\/strong\u003e You may notice the engine will not start in neutral or starts in gear, which is a safety hazard. Test the switch continuity with a multimeter and compare against the manufacturer's specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this switch compatible with older Mercury MerCruiser models? \u003cstrong\u003eA:\u003c\/strong\u003e This part is specifically designed for Mercury CMD QSD 2.0 ES engines, but cross-reference 814281A7 may apply to some similar Mercury applications. Verify your serial number and existing switch part before ordering.\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":"Part Outfitters","offers":[{"title":"Default Title","offer_id":46610553503930,"sku":"ZZ3F09051","price":101.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_ab72c928-c0a9-4666-88cb-ec06084fbe5c.jpg?v=1789000872","url":"https:\/\/partoutfitters.com\/products\/neutral-switch-shift-8m0052939-fit-mercury-cmd-qsd-2-0-es-130-150-170-814281a7","provider":"Part Outfitters","version":"1.0","type":"link"}