{"product_id":"23121749-genuine-gm-power-steering-pump-assembly-for-silverado-sierra-6-6l","title":"23121749 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 23121749 power steering pump assembly is a factory GM unit designed to provide the correct hydraulic pressure for steering assist operation. It maintains consistent fluid flow and steering control 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: 122.4px; 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: 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\u003e23121749\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 23121749 power steering pump assembly is engineered for proper function within the OEM steering system:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Silverado and Sierra models with 6.6L engine configuration\u003c\/li\u003e\n\u003cli\u003eProvides steady hydraulic pressure for smooth steering assist\u003c\/li\u003e\n\u003cli\u003eMatches factory mounting points for accurate installation\u003c\/li\u003e\n\u003cli\u003eMaintains controlled fluid circulation through the steering system\u003c\/li\u003e\n\u003cli\u003eEnsures compatibility with OEM hoses and fittings\u003c\/li\u003e\n\u003cli\u003eOperates within original system pressure and flow specifications\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 23121749 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 air and ensure correct steering operation.\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":48477130293475,"sku":"23121749","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\/23121749-genuine-gm-power-steering-pump-assembly-for-silverado-sierra-6-6l","provider":"Unit Auto Parts","version":"1.0","type":"link"}