{"product_id":"84631875-genuine-gm-reductant-control-module-for-silverado-sierra-6-6l","title":"84631875 Genuine GM Reductant Control Module For Silverado Sierra 6.6L","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe 84631875 is a genuine GM reductant control module designed for select 2017–2019 Chevrolet Silverado HD and GMC Sierra HD models equipped with the 6.6L Duramax diesel engine. This module manages the DEF system by processing fluid level and temperature information to help maintain proper emissions system operation and factory communication with the vehicle's control network.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: 490px;\"\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: 34.4138%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 29.615%; 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 style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eBase, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 8.27338%; height: 39.2px;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%; height: 39.2px;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 34.4138%; height: 39.2px;\"\u003e6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.615%; height: 39.2px;\"\u003eBase, Denali, 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: 235.2px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 27.1583%;\"\u003e\n\u003ccol style=\"width: 72.482%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e84631875\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReductant Control Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2017–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, Sierra 3500 HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas, 6.6L V8 Diesel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.7 × 5.4 × 1.4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.84 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\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 class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 84631875 reductant control module is manufactured to GM factory specifications for dependable DEF system operation:\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProcesses DEF fluid level and temperature signals so the emissions system can operate the way GM intended\u003c\/li\u003e\n\u003cli\u003eBuilt with factory-style electrical connections that match the original harness for a direct installation\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for compatible 2017–2019 Silverado HD and Sierra HD diesel applications\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper communication between the DEF components and the vehicle control modules\u003c\/li\u003e\n\u003cli\u003eManufactured to GM engineering standards for reliable operation in demanding diesel truck environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 84631875 reductant control module is designed for compatible GM heavy-duty trucks equipped with the factory DEF emissions system. Before installation, inspect the wiring connector and DEF tank components for damage or corrosion that could affect module operation.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eAlways confirm the part number, vehicle VIN, engine configuration, and emissions system before installation.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":49498550468835,"sku":"84631875","price":325.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l960_57b7b568-24d3-41b4-bef6-71af98c75329.webp?v=1785847444","url":"https:\/\/unitautoparts.com\/products\/84631875-genuine-gm-reductant-control-module-for-silverado-sierra-6-6l","provider":"Unit Auto Parts","version":"1.0","type":"link"}