{"product_id":"22781127-genuine-gm-alternator-for-silverado-sierra-express-v8","title":"22781127 Genuine GM Alternator For Silverado Sierra Express V8","description":"\u003ch2 data-start=\"479\" data-end=\"779\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"101\" data-end=\"439\"\u003eThe 22781127 alternator is a GM factory charging unit designed for Chevrolet, GMC, and Cadillac vehicles equipped with compatible V6 and V8 engines. It produces steady electrical current to maintain battery charge and support proper operation of the vehicle’s electrical systems.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: 340px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 6.15942%; text-align: center;\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 44.9275%; text-align: center;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 24.6377%; text-align: center;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 23.1884%; 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 style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet LCF 3500 \/ 4500\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003e6.0L V8 Gas, Flex, CNG\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eBase Straight Truck - Low Cab \/ Tilt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet LCF 3500 \/ 4500\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003e6.0L V8 Gas, Flex, CNG\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eBase Straight Truck - Low Cab \/ Tilt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet LCF 3500 \/ 4500\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003e6.0L V8 Gas, Flex\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eBase Straight Truck - Low Cab \/ Tilt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet LCF 3500 \/ 4500\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003e6.0L V8 Gas, Flex, CNG\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eBase Straight Truck - Low Cab \/ Tilt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2016\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet LCF 3500 \/ 4500\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003e6.0L V8 Gas, Flex, CNG\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eBase Straight Truck - Low Cab \/ Tilt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2014\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eCadillac Escalade \/ ESV\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003e6.2L V8 Gas, Flex\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eBase, Luxury, Premium, Platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2013\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eCadillac Escalade \/ ESV \/ EXT\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003e6.2L V8 Gas, Flex, Hybrid\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eBase, Luxury, Premium, Platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2013\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet Avalanche\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003e5.3L V8 Flex\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eBase, LS, LT, LTZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2012\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003e4.3L V6, 4.8L V8, 5.3L V8, 6.2L V8 Hybrid\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eLS, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2011\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003e4.3L V6, 4.8L V8, 5.3L V8, 6.2L V8 Hybrid\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eLS, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2010\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet Avalanche \/ Colorado \/ Express \/ Suburban \/ Silverado 1500\/2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003eMultiple V6 \u0026amp; V8 engines\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eMultiple trims\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2009\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet Avalanche \/ Colorado \/ Express \/ Silverado 1500\/2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003eMultiple V6 \u0026amp; V8 engines\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eMultiple trims\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2008\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet Avalanche \/ Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003eMultiple V6 \u0026amp; V8 engines\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eLS, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2007\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eChevrolet Silverado 1500 \/ 2500 HD \/ Classic\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003eMultiple V6 \u0026amp; V8 engines\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eLS, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2007\u003c\/td\u003e\n\u003ctd style=\"width: 44.9275%;\"\u003eGMC Sierra 2500 HD \/ Classic, Yukon XL 1500 \/ 2500\u003c\/td\u003e\n\u003ctd style=\"width: 24.6377%;\"\u003eMultiple V8 engines\u003c\/td\u003e\n\u003ctd style=\"width: 23.1884%;\"\u003eSLE, 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 style=\"height: 137.2px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.717%;\"\u003e \u003ccol style=\"width: 69.9686%;\"\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\u003e22781127\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\u003eAlternator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2007–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.7 x 10.6 x 10.6 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16.70 lb\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 data-start=\"1555\" data-end=\"1574\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"1555\" data-end=\"1574\"\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe 22781127 alternator is built to match factory performance and installation requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenerates consistent electrical output for charging system operation\u003c\/li\u003e\n\u003cli\u003eMaintains stable battery voltage under varying electrical loads\u003c\/li\u003e\n\u003cli\u003eDesigned for integration with GM factory electrical systems\u003c\/li\u003e\n\u003cli\u003eMatches original mounting locations and wiring connections\u003c\/li\u003e\n\u003cli\u003eSupports reliable function of onboard electronics and accessories\u003c\/li\u003e\n\u003cli\u003eManufactured to meet GM performance and durability standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1893\" data-end=\"1913\"\u003eApplication Notes\u003c\/h2\u003e\n\u003cp data-end=\"3201\" data-start=\"3095\"\u003eThe 22781127 alternator is intended for vehicles equipped with the factory charging system listed above. Proper installation ensures correct electrical performance and system operation.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-end=\"3325\" data-start=\"3203\"\u003eAlways verify part number, engine configuration, and electrical system requirements before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":48544890224867,"sku":"22781127","price":348.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_33eea79a-4be1-4b82-a6a2-e6942958be12.webp?v=1773920952","url":"https:\/\/unitautoparts.com\/products\/22781127-genuine-gm-alternator-for-silverado-sierra-express-v8","provider":"Unit Auto Parts","version":"1.0","type":"link"}