{"product_id":"neutral-switch-shift-8m0052939-fit-mercury-cmd-qsd-2-8-es-170-210-220-230","title":"Neutral Switch Shift 8M0052939 Fit Mercury CMD QSD 2.8 ES 170 210 220 230","description":"\u003ch2\u003eNeutral Switch Shift for Mercury CMD QSD 2.8 ES 170, 210, 220, and 230\u003c\/h2\u003e\u003cp\u003eThis neutral switch shift 8M0052939 for Mercury CMD QSD 2.8 ES 170, 210, 220, and 230 is an electrical safety component that prevents engine start unless the transmission is in neutral. It also provides shift position feedback to the engine control module for reliable gear changes, referencing OEM cross-reference 8M0052939.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis neutral switch shift for Mercury CMD QSD 2.8 ES 170, 210, 220, and 230 ensures the engine cannot be started while in gear, protecting both the operator and the drivetrain. It is a direct replacement part for these specific diesel inboard engines. This neutral switch shift is essential for maintaining safe and dependable vessel operation.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eInterrupts the starter circuit unless the gear shift is in neutral.\u003c\/li\u003e\n\u003cli\u003eSends a precise signal to the engine control unit for smooth gear engagement.\u003c\/li\u003e\n\u003cli\u003eBuilt with a rugged, waterproof housing for long service life in engine compartments.\u003c\/li\u003e\n\u003cli\u003eTerminals are gold-plated to resist corrosion and maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003eMeets OEM specifications for the Mercury CMD QSD 2.8 engine series.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Mercury CMD QSD 2.8 ES 170\u003c\/li\u003e\n\u003cli\u003efor Mercury CMD QSD 2.8 ES 210\u003c\/li\u003e\n\u003cli\u003efor Mercury CMD QSD 2.8 ES 220\u003c\/li\u003e\n\u003cli\u003efor Mercury CMD QSD 2.8 ES 230\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDuring pre-departure engine checks, verifying neutral start functionality.\u003c\/li\u003e\n\u003cli\u003eWhen maneuvering in tight marinas, ensuring shifting is responsive and safe.\u003c\/li\u003e\n\u003cli\u003eDuring electrical system diagnostics for intermittent starting problems.\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNeutral Safety Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Brand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Mercury CMD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQSD 2.8 ES 170, 210, 220, 230\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 What happens if this switch fails? \u003cstrong\u003eA:\u003c\/strong\u003e The engine may not start at all, or it could start while in gear, which is a serious safety hazard. Replacing it with this compatible part restores safe operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I install this switch myself? \u003cstrong\u003eA:\u003c\/strong\u003e Installation is straightforward for someone with basic mechanical skills, involving disconnecting the battery, removing the old switch, and connecting the new one. Always consult the engine service manual for specific guidance.\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":46610556485818,"sku":"ZZ3F09050","price":101.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_f213f6bd-35e3-4d3e-87bb-83b37f4dbe52.jpg?v=1789000901","url":"https:\/\/partoutfitters.com\/products\/neutral-switch-shift-8m0052939-fit-mercury-cmd-qsd-2-8-es-170-210-220-230","provider":"Part Outfitters","version":"1.0","type":"link"}