{"product_id":"84208257-genuine-gm-engine-control-module-for-silverado-sierra-5-3l-6-2l","title":"84208257 Genuine GM Engine Control Module For Silverado Sierra 5.3L 6.2L","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe 84208257 is a genuine GM Engine Control Module produced for select 2019–2022 Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Suburban, GMC Yukon, and GMC Yukon XL models equipped with 5.3L and 6.2L V8 gasoline engines. It serves as the central processor of the engine control system, collecting information from factory sensors and calculating the commands needed for fuel injection, spark timing, throttle operation, and emissions management.\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;\"\u003e84208257\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 84208257 Engine Control Module is built to match factory performance and installation requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCalculates engine operating parameters using data received from factory-installed sensors\u003c\/li\u003e\n\u003cli\u003eControls ignition timing, fuel injection, and throttle response to maintain proper engine operation\u003c\/li\u003e\n\u003cli\u003eCommunicates with other GM electronic modules to support coordinated powertrain management\u003c\/li\u003e\n\u003cli\u003eEngineered with factory-correct connectors and mounting points for compatible vehicle applications\u003c\/li\u003e\n\u003cli\u003eSupports the original software strategy used on 5.3L and 6.2L gasoline V8 engines\u003c\/li\u003e\n\u003cli\u003eManufactured to GM engineering specifications for dependable electronic system performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 84208257 is intended for vehicles equipped with the factory GM electronic engine management system specified for these applications. After installation, some vehicles may require programming or calibration so the module can operate correctly with the existing electronic control network.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eVerify the part number, VIN, engine configuration, and programming requirements before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":49499318943971,"sku":"84208257","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\/84208257-genuine-gm-engine-control-module-for-silverado-sierra-5-3l-6-2l","provider":"Unit Auto Parts","version":"1.0","type":"link"}