{"product_id":"19210441-genuine-gm-engine-wiring-harness-junction-block-for-silverado-sierra-6-6l","title":"19210441 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 6.6L","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe 19210441 is a genuine GM engine wiring harness junction block intended for specified 2007–2009 Chevrolet Silverado HD and GMC Sierra HD trucks powered by the 6.6L V8 diesel engine. Installed within the engine compartment, this component organizes connections between designated circuits in the factory electrical system.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: autopx;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 6.22665%; text-align: center; height: 19.6px;\" align=\"right\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 25.6849%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 35.9589%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 31.4446%; 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: 6.22665%;\"\u003e2009\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eLT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.22665%;\"\u003e2009\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eLT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.22665%;\"\u003e2009\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eSLE, SLT, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.22665%;\"\u003e2009\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eSLE, SLT, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.22665%;\"\u003e2008\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eLT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.22665%;\"\u003e2008\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eLT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.22665%;\"\u003e2008\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eSLE, SLT, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.22665%;\"\u003e2008\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eSLE, SLT, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.22665%;\"\u003e2007\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eLT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.22665%;\"\u003e2007\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eLT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.22665%;\"\u003e2007\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eSLE, SLT, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.22665%;\"\u003e2007\u003c\/td\u003e\n\u003ctd style=\"width: 25.6849%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 35.9589%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 31.4446%;\"\u003eSLE, SLT, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\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 \u003ccol style=\"width: 25.7194%;\"\u003e \u003ccol style=\"width: 73.9209%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19210441\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngine Wiring Harness Junction Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2007–2009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\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 style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.6L 6599CC 403Cu. In. V8 Diesel OHV Turbocharged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eLocation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngine Compartment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAlternative Names\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJunction Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.4 × 9.6 × 5.8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.65 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\u003eThe 19210441 engine wiring harness junction block is designed around the original electrical configuration of compatible GM heavy-duty trucks:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eServes as a centralized connection location for designated engine-compartment electrical circuits\u003c\/li\u003e\n\u003cli\u003eConfigured for specified GM heavy-duty truck applications using the 6.6L V8 turbocharged diesel engine\u003c\/li\u003e\n\u003cli\u003eInterfaces with the existing engine wiring harness through the original connection arrangement\u003c\/li\u003e\n\u003cli\u003eDesigned for applicable Chevrolet Silverado 2500 HD and Silverado 3500 HD configurations\u003c\/li\u003e\n\u003cli\u003eSupports specified GMC Sierra 2500 HD and Sierra 3500 HD truck applications\u003c\/li\u003e\n\u003cli\u003eMounts within the engine compartment according to the corresponding factory electrical layout\u003c\/li\u003e\n\u003cli\u003eMaintains compatibility with the original circuit routing and connector configuration when matched to the correct vehicle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 19210441 engine wiring harness junction block is intended for compatible 2007–2009 Chevrolet Silverado HD and GMC Sierra HD models equipped with the 6.6L V8 diesel engine. Inspect the existing connectors, wiring layout, and junction block configuration before installation and follow applicable GM service procedures.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eAlways verify part number, VIN, engine configuration, production specifications, wiring harness connections, electrical equipment, and applicable factory options before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":49517568622819,"sku":"19210441","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_4c3a6479-c118-45b7-bdcb-234d961b2332.webp?v=1786357184","url":"https:\/\/unitautoparts.com\/products\/19210441-genuine-gm-engine-wiring-harness-junction-block-for-silverado-sierra-6-6l","provider":"Unit Auto Parts","version":"1.0","type":"link"}