{"product_id":"87858159-genuine-gm-headlamp-assembly-for-gmc-sierra-1500-2-7l-5-3l","title":"87858159 Genuine GM Headlamp Assembly For GMC Sierra 1500 2.7L 5.3L","description":"\u003ch2 data-end=\"779\" data-start=\"479\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-end=\"533\" data-start=\"81\"\u003eThe 87858159 headlamp assembly is a genuine GM front lighting unit designed for GMC Sierra 1500 models equipped with the 2.7L or 5.3L engine. This assembly houses the headlamp components within a sealed composite housing that protects the lighting elements and maintains proper beam alignment. \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: 12.9496%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 30.036%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 33.6331%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 22.482%; 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: 12.9496%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 30.036%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 33.6331%;\"\u003e2.7L L4 - Gas; 3.0L L6 - Diesel; 5.3L V8 - Flex; 5.3L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 22.482%;\"\u003eElevation, Pro, SLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 12.9496%;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 30.036%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 33.6331%;\"\u003e2.7L L4 - Gas; 3.0L L6 - Diesel; 5.3L V8 - Flex; 5.3L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 22.482%;\"\u003eElevation, Pro, SLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 12.9496%;\"\u003e2023\u003c\/td\u003e\n\u003ctd style=\"width: 30.036%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 33.6331%;\"\u003e2.7L L4 - Gas; 3.0L L6 - Diesel; 5.3L V8 - Flex; 5.3L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 22.482%;\"\u003eElevation, Pro, SLE\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: 176.4px; 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\u003e87858159\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\u003eHeadlamp Assembly, Front\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\u003e2023–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront Driver Side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e37.27 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 data-start=\"535\" data-end=\"657\"\u003eThe 87858159 headlamp assembly is built to match factory performance and installation requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"661\" data-end=\"691\"\u003eGenuine GM headlamp assembly\u003c\/li\u003e\n\u003cli data-start=\"694\" data-end=\"746\"\u003eDesigned for GMC Sierra 1500 front lighting system\u003c\/li\u003e\n\u003cli data-start=\"749\" data-end=\"813\"\u003eSealed composite housing protects internal lighting components\u003c\/li\u003e\n\u003cli data-start=\"816\" data-end=\"861\"\u003eMaintains proper beam pattern and alignment\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"931\" data-end=\"978\"\u003eManufactured to GM engineering specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1913\" data-start=\"1893\"\u003eApplication Notes\u003c\/h2\u003e\n\u003cp data-start=\"980\" data-end=\"1281\"\u003eThe 87858159 headlamp assembly is intended for vehicles equipped with the factory headlamp system used on GMC Sierra 1500 models with the 2.7L or 5.3L engine. Proper headlamp aiming should be performed after installation to ensure correct beam pattern and safe road visibility.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"1283\" data-end=\"1393\"\u003eAlways verify part number, engine configuration, and headlamp system type before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":48410343833827,"sku":"87858159","price":1289.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_4bd722e9-9167-4fb3-9372-22061b2919d2.webp?v=1772448724","url":"https:\/\/unitautoparts.com\/products\/87858159-genuine-gm-headlamp-assembly-for-gmc-sierra-1500-2-7l-5-3l","provider":"Unit Auto Parts","version":"1.0","type":"link"}