{"product_id":"84988709-genuine-gm-power-steering-pump-assembly-for-silverado-sierra-6-6l","title":"84988709 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 84988709 power steering pump assembly is a factory GM component designed to generate the proper hydraulic pressure required for steering assist. It supports consistent fluid movement and dependable steering performance for Silverado and Sierra models equipped with the 6.6L engine.\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: 117.6px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.7677%;\"\u003e \u003ccol style=\"width: 70.0629%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e84988709\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003ePower Steering Pump Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e2020–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\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 84988709 power steering pump assembly is configured for stable operation within the OEM steering system:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Silverado and Sierra models with 6.6L engine applications\u003c\/li\u003e\n\u003cli\u003eMaintains correct hydraulic pressure for effective steering assist\u003c\/li\u003e\n\u003cli\u003eFits factory mounting points for proper installation alignment\u003c\/li\u003e\n\u003cli\u003eSupports steady fluid flow through the steering system\u003c\/li\u003e\n\u003cli\u003eEnsures proper interface with OEM hoses and fittings\u003c\/li\u003e\n\u003cli\u003eOperates within original system pressure and flow characteristics\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 84988709 power steering pump assembly is intended for vehicles equipped with the factory steering system used on 2020–2025 Silverado and Sierra models with a 6.6L engine. Proper system bleeding after installation is required to remove trapped air and restore normal steering function.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"3620\" data-end=\"3727\"\u003eAlways verify part number, engine configuration, and steering system type before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":48477141401827,"sku":"84988709","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\/84988709-genuine-gm-power-steering-pump-assembly-for-silverado-sierra-6-6l","provider":"Unit Auto Parts","version":"1.0","type":"link"}