{"product_id":"6r140-detent-assembly-mlps-neutral-safety-cc3z-7h557-b","title":"Ford Genuine 6R140 MLPS Neutral Safety Switch 2011-2025 Super Duty","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eGenuine Ford OEM MLPS (Manual Lever Position Sensor) \/ Neutral Safety Switch, OEM Part Number CC3Z-7H557-B, engineered for the Ford 6R140 six-speed automatic transmission.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eWhat This Part Is:\u003c\/strong\u003e\nAlso referred to as a Transmission Range Sensor (TRS), Detent Assembly, or Gear Position Sensor, the MLPS Neutral Safety Switch is a factory-calibrated internal sensor located on the driver's side of the transmission case. It serves three essential roles: preventing engine start in any position other than Park or Neutral, relaying real-time gear selection data to the Powertrain Control Module (PCM) for correct shift logic, and triggering the reverse lights when Reverse is selected.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSymptoms Of A Failing Unit:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n \t\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eVehicle will not crank in Park or Neutral\u003c\/li\u003e\n \t\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eErratic, harsh, or delayed gear shifts\u003c\/li\u003e\n \t\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eIncorrect gear position displayed on the instrument cluster\u003c\/li\u003e\n \t\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eTransmission warning light or related DTCs\u003c\/li\u003e\n \t\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eReverse lights not functioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n \t\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e2011–2025 Ford F-250, F-350, F-450, F-550 Super Duty (6R140 \/ 6R100 Transmission)\u003c\/li\u003e\n \t\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFord E-350 Super Duty (6-Speed)\u003c\/li\u003e\n \t\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFord E-450 Super Duty (6-Speed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This part is transmission-specific. Please verify your transmission before ordering.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eWhy Genuine Ford OEM:\u003c\/strong\u003e\nAftermarket range sensors are a common source of comebacks and misdiagnosis in the 6R140 platform. This Genuine Ford part meets the exact OEM calibration standards required for reliable PCM communication, starter interlock operation, and shift performance — guaranteed by Ford's OEM parts limited warranty.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eComplete your repair right — add Lubegard Platinum ATF Protectant (Red Bottle) to your service. It eliminates torque converter shudder, restores fluid additive content, and protects your 6R140 from the heat and wear that lead to repeat failures.\u003c\/p\u003e\n\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eKey Details:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\" scope=\"col\"\u003e\u003c\/th\u003e\n\u003cth class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\" scope=\"col\"\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eOEM Part Number\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eCC3Z-7H557-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eAlso Known As\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eMLPS, TRS, Neutral Safety Switch, Detent Assembly, Range Sensor, Gear Position Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eTransmission\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eFord 6R140 \/ 6R100 (6-Speed Automatic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eCondition\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eNew — Genuine Ford OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eFitment Years\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e2011–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eCompatible Vehicles\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eF-250, F-350, F-450, F-550 Super Duty; E-350; E-450\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Trans Parts Direct","offers":[{"title":"Default Title","offer_id":52425195028661,"sku":"166991 SWI","price":100.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3872\/0181\/files\/NEW-OEM-FORD-6R140-Detent-Assembly-MLPS-Neutral-Safety-CC3Z-7H557-B-292035818231.jpg?v=1786615122","url":"https:\/\/transpartsdirect.com\/products\/6r140-detent-assembly-mlps-neutral-safety-cc3z-7h557-b","provider":"Trans Parts Direct","version":"1.0","type":"link"}