{"product_id":"def-pump-sensor-harness-84630271-for-silverado-sierra-duramax-2017-2020-l5p","title":"DEF Pump Sensor Harness 84630271 for Silverado Sierra Duramax 2017-2020 L5P","description":"\u003ch2\u003eDEF Pump Sensor Harness for Silverado and Sierra\u003c\/h2\u003e\u003cp\u003eThis DEF pump sensor harness transmits vital pressure and temperature data from the DEF reservoir to the engine control module, referencing part number 84630271.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis DEF pump sensor harness restores direct electrical communication to resolve emissions system diagnostic codes. The DEF pump sensor harness replaces brittle, road-damaged wiring that causes communication failures and engine power derate states. It is a critical fix for diesel truck owners requiring dependable emission control performance during heavy towing.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eConstructed with thick protective conduit to resist heat, friction, and road grime.\u003c\/li\u003e\n\u003cli\u003eFeatures weather-sealed electrical connectors to block out moisture and road salt.\u003c\/li\u003e\n\u003cli\u003eEngineered with copper wiring pins to ensure stable electrical conductivity.\u003c\/li\u003e\n\u003cli\u003eDirect-fit terminal lengths prevent excess wire slack and rubbing on chassis parts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Silverado 2017-2020\u003c\/li\u003e\n\u003cli\u003efor Sierra 2017-2020\u003c\/li\u003e\n\u003cli\u003efor Duramax 2017-2020 L5P\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eResolving diagnostic trouble codes related to DEF sensor signal loss or circuit opens.\u003c\/li\u003e\n\u003cli\u003eReplacing melted or cut sensor wiring harnesses on commercial work trucks.\u003c\/li\u003e\n\u003cli\u003eRestoring full engine power after a wiring-related emission system fault code.\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\u003e84630271\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDEF Sensor Wiring Harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL5P Duramax\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 Can a broken harness cause a truck to enter limp mode? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, a loss of communication from the DEF pump sensors can trigger a severe engine power reduction state.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this harness require special tools to splice into the truck? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a fully direct replacement harness equipped with plug-and-play connectors that require no splicing.\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":"Solid Spare","offers":[{"title":"Default Title","offer_id":44788803403862,"sku":"SZ1E02576","price":108.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_03105a99-873e-4122-a39f-09f90aa858f7.jpg?v=1779929758","url":"https:\/\/www.solidspare.com\/products\/def-pump-sensor-harness-84630271-for-silverado-sierra-duramax-2017-2020-l5p","provider":"Solid Spare","version":"1.0","type":"link"}