{"product_id":"85621074-genuine-gm-headlamp-assembly-for-gmc-sierra-2500hd-6-6l-v8","title":"85621074 Genuine GM Headlamp Assembly For GMC Sierra 2500HD 6.6L V8","description":"\u003ch2 data-end=\"779\" data-start=\"479\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"81\" data-end=\"539\"\u003eThe 85621074 headlamp assembly is a factory GM unit designed for proper front-end lighting on GMC Sierra 2500HD models. It provides correct beam pattern, fitment, and electrical connection consistent with original equipment specifications.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: auto;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 6.52174%; height: 19.6px; text-align: center;\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 23.913%; height: 19.6px; text-align: center;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 31.2997%; height: 19.6px; text-align: center;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 37.1786%; height: 19.6px; text-align: center;\"\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: 6.52174%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 23.913%;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 31.2997%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 37.1786%;\"\u003eDenali, Denali Ultimate, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.52174%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 23.913%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 31.2997%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 37.1786%;\"\u003eDenali, Denali Ultimate, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.52174%;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 23.913%;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 31.2997%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 37.1786%;\"\u003eDenali, Denali Ultimate, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.52174%;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 23.913%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 31.2997%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 37.1786%;\"\u003eDenali, Denali Ultimate, 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: 117.125px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.6763%;\"\u003e \u003ccol style=\"width: 69.964%;\"\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\u003e85621074\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 28.725px;\"\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\u003eHeadlamp Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2024–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.65 Ib\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp data-end=\"1574\" data-start=\"1555\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"1574\" data-start=\"1555\"\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe 85621074 headlamp assembly is built to match factory performance and installation requirements:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for GMC Sierra 2500HD applications\u003c\/li\u003e\n\u003cli\u003eMatches original front headlamp configuration\u003c\/li\u003e\n\u003cli\u003eProvides correct beam alignment and output\u003c\/li\u003e\n\u003cli\u003eMaintains factory electrical connections\u003c\/li\u003e\n\u003cli\u003eBuilt to OEM dimensions for proper mounting\u003c\/li\u003e\n\u003cli\u003eSupports consistent lighting performance under normal operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1913\" data-start=\"1893\"\u003eApplication Notes\u003c\/h2\u003e\n\u003cp data-start=\"1703\" data-end=\"1927\"\u003eThe 85621074 is intended for GMC Sierra 2500HD vehicles equipped with the factory headlamp system listed above. It installs using factory mounting points and connectors without modification.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"1929\" data-end=\"2060\"\u003eAlways verify part number, vehicle year, and lighting configuration before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":48532634796259,"sku":"85621074","price":979.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_4e0a1ece-ffcf-4aca-97d7-c8455e21019a.webp?v=1773666549","url":"https:\/\/unitautoparts.com\/products\/85621074-genuine-gm-headlamp-assembly-for-gmc-sierra-2500hd-6-6l-v8","provider":"Unit Auto Parts","version":"1.0","type":"link"}