{"product_id":"neutral-switch-shift-8m0052939-fit-mercury-cmd-qsd-4-2-ei-270-320-350-814281a7","title":"Neutral Switch Shift 8M0052939 Fit Mercury CMD QSD 4.2 EI 270 320 350 814281A7","description":"\u003ch2\u003eNeutral Switch Shift for Mercury CMD QSD 4.2 EI 270 320 350\u003c\/h2\u003e\u003cp\u003eThis neutral switch shift for Mercury CMD QSD 4.2 EI 270 320 350 monitors gear engagement for safe starting and shifting, with OEM cross-reference numbers 8M0052939 and 814281A7.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis neutral switch shift for Mercury CMD QSD 4.2 EI 270 320 350 is a precision electrical component that tells the engine control module whether the transmission is in neutral or gear. It supports safe engine start and prevents unexpected vessel movement. This neutral switch shift for Mercury CMD QSD 4.2 EI 270 320 350 is a direct replacement for worn or failed original parts.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for Mercury CMD QSD 4.2 EI diesel engines rated 270, 320, and 350 HP\u003c\/li\u003e\n\u003cli\u003eOEM cross-reference numbers 8M0052939 and 814281A7 ensure compatibility\u003c\/li\u003e\n\u003cli\u003eMarine-grade construction withstands saltwater and engine bay heat\u003c\/li\u003e\n\u003cli\u003eReliable electrical contact for accurate neutral and gear signals\u003c\/li\u003e\n\u003cli\u003eCompact design fits original mounting locations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Mercury CMD QSD 4.2 EI 270\u003c\/li\u003e\n\u003cli\u003efor Mercury CMD QSD 4.2 EI 320\u003c\/li\u003e\n\u003cli\u003efor Mercury CMD QSD 4.2 EI 350\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplaces failed neutral switches during scheduled diesel engine servicing\u003c\/li\u003e\n\u003cli\u003eUsed when diagnosing start-in-gear faults or shift interlock failures\u003c\/li\u003e\n\u003cli\u003eInstalled in commercial and recreational vessels with Mercury QSD drivetrains\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\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMercury CMD QSD 4.2 EI 270, 320, 350\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\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this neutral switch compatible with my Mercury QSD 4.2 engine? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, this neutral switch shift is designed for Mercury CMD QSD 4.2 EI engines in 270, 320, and 350 horsepower ratings, matching OEM part numbers 8M0052939 and 814281A7.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What are common symptoms of a failing neutral switch? \u003cstrong\u003eA:\u003c\/strong\u003e Symptoms include the engine starting in gear, no start condition in neutral, or shift alarms. Replacing the switch with this part restores correct operation.\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":46610553602234,"sku":"ZZ3F09054","price":101.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_03f98610-89af-4437-bfdc-f3f1da8807b0.jpg?v=1789000871","url":"https:\/\/partoutfitters.com\/products\/neutral-switch-shift-8m0052939-fit-mercury-cmd-qsd-4-2-ei-270-320-350-814281a7","provider":"Part Outfitters","version":"1.0","type":"link"}