{"product_id":"gm-genuine-parts-flex-fuel-sensor-13507128-accurate-ethanol-readings","title":"GM Genuine Parts Flex Fuel Sensor 13507128 - Accurate Ethanol Readings","description":"\u003cp\u003eOur review of the GM Genuine Parts 13507128 Flex Fuel Sensor finds it best suited to owners of GM flex fuel vehicles who need a direct replacement for their factory component; the single biggest reason to buy is its OEM-level accuracy in reporting ethanol content so the engine control module can make the correct air\/fuel and ignition adjustments. The reviewer found the sensor installs as a like-for-like unit, matches the original fit and connector, and sends precise ethanol content readings that restore proper fuel trim behavior and drivability in flex fuel applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate ethanol sensing:\u003c\/strong\u003e Supplies precise ethanol content readings to the engine control module so fuel mixture and ignition timing are adjusted correctly for efficient operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGM-recommended replacement:\u003c\/strong\u003e Designed as a direct replacement for the original factory component so fit and function are consistent with the vehicle's intended design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOE-quality construction:\u003c\/strong\u003e Manufactured to GM OE specification to provide the same durability and service life expected from original equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable compatibility:\u003c\/strong\u003e Matches the original part's form and connector, making installation straightforward and minimizing modification or adapter needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine performance benefit:\u003c\/strong\u003e Restores accurate sensor feedback, which can reduce drivability issues and help the ECM maintain proper air\/fuel ratios under varying ethanol blends.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe sensor is ideal for drivers of GM flex fuel vehicles who need a like-for-like replacement after a failed or aging ethanol sensor, or for anyone experiencing fuel trim or drivability problems tied to ethanol content detection. Technicians and DIYers who prefer maintaining OE-spec components will appreciate the compatibility and predictable performance.\u003c\/p\u003e\u003cp\u003eIt is not targeted at non-flex-fuel vehicles or applications outside of the GM original equipment design; buyers who need a universal or aftermarket multi-platform sensor should look elsewhere. Likewise, those seeking a sensor with additional aftermarket features beyond OE functionality should consider other options.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine GM OE specification construction provides consistent fit and durability.\u003c\/li\u003e\n\u003cli\u003eAccurate ethanol readings restore proper ECM fuel and ignition adjustments.\u003c\/li\u003e\n\u003cli\u003eDirect replacement compatibility makes installation simple and reduces troubleshooting time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eLimited to GM OE specification and flex fuel applications, so it is not a universal sensor for non-GM systems.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart name\u003c\/td\u003e\n\u003ctd\u003eFlex Fuel Sensor 13507128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eGM Genuine Parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eMonitors ethanol content for ECM adjustments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFit\u003c\/td\u003e\n\u003ctd\u003eGM-recommended replacement for original factory component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuality\u003c\/td\u003e\n\u003ctd\u003eManufactured to GM OE specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBenefit\u003c\/td\u003e\n\u003ctd\u003eAccurate ethanol readings for proper air\/fuel mixture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe GM Genuine Parts Flex Fuel Sensor 13507128 is a practical purchase for owners of GM flex fuel vehicles who want an OE-quality replacement that restores accurate ethanol sensing and reliable ECM performance. Its strong compatibility and factory-level construction make it good value for those who prioritize correct fit and long-term durability over aftermarket extras.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this sensor fit my GM flex fuel vehicle?\u003c\/strong\u003e\u003cbr\u003eIt is manufactured as a GM-recommended replacement to match the original factory component, but buyers should verify vehicle compatibility before purchase.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does the sensor do for engine performance?\u003c\/strong\u003e\u003cbr\u003eThe sensor reports ethanol content to the engine control module so the ECM can adjust air\/fuel mixture and ignition timing for efficient operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this an OE-quality part?\u003c\/strong\u003e\u003cbr\u003eYes, it is manufactured to GM OE specification for fit, form, and function and offers the durability expected from original equipment.\u003c\/p\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":48241016045787,"sku":"B073ZQ1G2P","price":68.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71bghZTMzML._AC_SL1500.jpg?v=1770924563","url":"https:\/\/gearmusthave.com\/products\/gm-genuine-parts-flex-fuel-sensor-13507128-accurate-ethanol-readings","provider":"GearMustHave","version":"1.0","type":"link"}