{"product_id":"86563312-genuine-gm-power-steering-pump-assembly-for-silverado-sierra-6-6l","title":"86563312 Genuine GM Power Steering Pump Assembly For Silverado Sierra 6.6L","description":"\u003ch2 data-start=\"479\" data-end=\"779\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-end=\"512\" data-start=\"104\"\u003eThe 86563312 power steering pump assembly is a genuine GM hydraulic steering component designed for 2020–2025 Chevrolet Silverado and GMC Sierra heavy-duty trucks. It supplies the hydraulic pressure required for proper steering assist and maintains correct operation of the factory power steering system.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: 700px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 20.6px;\"\u003e\n\u003cth style=\"width: 11.4351%; text-align: center; height: 20.6px;\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 30.6752%; text-align: center; height: 20.6px;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 26.682%; text-align: center; height: 20.6px;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 30.6752%; text-align: center; height: 20.6px;\"\u003e\u003cstrong\u003eTrims\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 46.3833px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 46.3833px;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 46.3833px;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 46.3833px;\"\u003e6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 46.3833px;\"\u003eCustom, High Country, LT, LTZ, WT, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 46.3833px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 46.3833px;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 46.3833px;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 46.3833px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 46.3833px;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 46.3833px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 46.3833px;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 46.3833px;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 46.3833px;\"\u003e6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 46.3833px;\"\u003eAT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 52.5333px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 52.5333px;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 52.5333px;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 52.5333px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 52.5333px;\"\u003eAT4, Denali, Denali Ultimate, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 39.2px;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eCustom, High Country, LT, LTZ, WT, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 39.2px;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; 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: 11.4351%; height: 39.2px;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eAT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 39.2px;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eAT4, Denali, Denali Ultimate, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 39.2px;\"\u003e2023\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eCustom, High Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 39.2px;\"\u003e2023\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; 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: 11.4351%; height: 39.2px;\"\u003e2023\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eAT4, Denali, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.0667px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 35.0667px;\"\u003e2023\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 35.0667px;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 35.0667px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 35.0667px;\"\u003eAT4, Denali, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 39.2px;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eCustom, High Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 39.2px;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; 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: 11.4351%; height: 39.2px;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eAT4, Denali, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.0667px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 35.0667px;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 35.0667px;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 35.0667px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 35.0667px;\"\u003eAT4, Denali, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 39.2px;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eCustom, High Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 39.2px;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; 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: 11.4351%; height: 39.2px;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eAT4, Base, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.0667px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 35.0667px;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 35.0667px;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 35.0667px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 35.0667px;\"\u003eAT4, Base, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 39.2px;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eCustom, High Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 39.2px;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; 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: 11.4351%; height: 39.2px;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 39.2px;\"\u003e6.6L V8 Diesel, 6.6L V8 Gas\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 39.2px;\"\u003eAT4, Base, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 11.4351%; height: 19.6px;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 19.6px;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 26.682%; height: 19.6px;\"\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 30.6752%; height: 19.6px;\"\u003eAT4, Base, 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 style=\"height: 122.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.7677%;\"\u003e\n\u003ccol style=\"width: 70.0629%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 20.4px;\"\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: 20.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e86563312\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.4px;\"\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: 20.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Steering Pump Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2020–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.45 lb\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 86563312 power steering pump assembly is built to match factory performance and installation requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProvides the hydraulic pressure required for proper steering assist\u003c\/li\u003e\n\u003cli\u003eDesigned for GM heavy-duty truck steering systems equipped with the 6.6L engine\u003c\/li\u003e\n\u003cli\u003eMaintains stable fluid flow for consistent steering response\u003c\/li\u003e\n\u003cli\u003eConstructed to match original GM mounting points and belt drive configuration\u003c\/li\u003e\n\u003cli\u003eCompatible with factory power steering hoses and reservoir connections\u003c\/li\u003e\n\u003cli\u003eManufactured to GM specifications for proper fit and dependable operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1893\" data-end=\"1913\"\u003eApplication Notes\u003c\/h2\u003e\n\u003cp data-start=\"3420\" data-end=\"3618\"\u003eThe 86563312 power steering pump assembly installs in the factory pump mounting location on Silverado and Sierra HD trucks equipped with the hydraulic steering system listed above.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"3620\" data-end=\"3727\"\u003eAlways verify part number, engine configuration, and steering system compatibility before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":48450555511011,"sku":"86563312","price":439.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_404e1feb-d6ff-4d71-aa3a-dac619b684d2.webp?v=1773507485","url":"https:\/\/unitautoparts.com\/products\/86563312-genuine-gm-power-steering-pump-assembly-for-silverado-sierra-6-6l","provider":"Unit Auto Parts","version":"1.0","type":"link"}