{"product_id":"12703685-genuine-gm-engine-control-module-for-silverado-sierra-5-3l-6-2l","title":"12703685 Genuine GM Engine Control Module For Silverado Sierra 5.3L 6.2L","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe 12703685 is a genuine GM Engine Control Module built for select 2019–2022 Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Suburban, GMC Yukon, and GMC Yukon XL vehicles equipped with 5.3L and 6.2L V8 gasoline engines. As the primary engine computer, it oversees key operating functions by interpreting sensor signals and coordinating ignition, fuel injection, throttle response, and emissions control to keep the powertrain operating as designed.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: 500px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 8.27338%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 26.7986%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 25.1795%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 39.0291%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eTrims\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eCustom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, WT, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eChevrolet Silverado 1500 LTD\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eCustom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eChevrolet Suburban\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eCommercial, LS, LT, Premier, RST, Z71\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eAT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Sierra 1500 Limited\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eAT4, Denali, Elevation, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Yukon\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eAT4, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Yukon XL\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eAT4, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eCustom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eChevrolet Suburban\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eCommercial, LS, LT, Premier, RST, Z71\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eAT4, Base, Denali, Elevation, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Yukon\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eAT4, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Yukon XL\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eAT4, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eCustom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eAT4, Base, Denali, Elevation, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eCustom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 25.1795%;\"\u003e5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 39.0291%;\"\u003eAT4, Base, Denali, Elevation, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 196px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 27.1583%;\"\u003e \u003ccol style=\"width: 72.482%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e12703685\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eEngine Control Module (ECM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e2019–2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 58.8px;\"\u003e\n\u003ctd style=\"height: 58.8px;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 58.8px;\"\u003eChevrolet Silverado 1500, Chevrolet Silverado 1500 LTD, Chevrolet Suburban, GMC Sierra 1500, GMC Sierra 1500 Limited, GMC Yukon, GMC Yukon XL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eFitment Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eDirect Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe 12703685 Engine Control Module is built to match factory performance and installation requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContinuously analyzes engine sensor information to regulate fuel delivery and ignition events\u003c\/li\u003e\n\u003cli\u003eCoordinates communication between the powertrain and factory electronic control systems\u003c\/li\u003e\n\u003cli\u003eDesigned with original connector locations and housing dimensions for proper installation\u003c\/li\u003e\n\u003cli\u003eSupports the factory operating strategy for compatible 5.3L and 6.2L gasoline V8 engines\u003c\/li\u003e\n\u003cli\u003eManages engine performance and emissions functions through integrated electronic control logic\u003c\/li\u003e\n\u003cli\u003eManufactured to GM engineering specifications for dependable operation in factory engine management systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 12703685 is intended for vehicles equipped with the original GM electronic engine management system specified for the listed applications. Certain vehicles may require programming or vehicle-specific calibration after installation to ensure full communication with onboard control modules.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eAlways confirm the part number, VIN, engine configuration, and calibration requirements before installing the module.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":49499199537379,"sku":"12703685","price":428.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_68ca4147-ea14-473e-8749-9c8017166c47.webp?v=1785848961","url":"https:\/\/unitautoparts.com\/products\/12703685-genuine-gm-engine-control-module-for-silverado-sierra-5-3l-6-2l","provider":"Unit Auto Parts","version":"1.0","type":"link"}