{"product_id":"23388801-genuine-gm-engine-radiator-assembly-for-silverado-sierra-1500-5-3l-6-2l","title":"23388801 Genuine GM Engine Radiator Assembly For Silverado Sierra 1500 5.3L 6.2L","description":"\u003ch2 data-end=\"779\" data-start=\"479\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"99\" data-end=\"545\"\u003eThe 23388801 is a genuine GM engine radiator assembly designed for Chevrolet Silverado 1500 and GMC Sierra 1500 trucks equipped with compatible V8 engines. This component manages engine heat by circulating coolant through the radiator core, helping maintain stable engine operating temperature during vehicle operation.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: 359px;\"\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: 21.3768%; text-align: center;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 26.2681%; text-align: center;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 45.1087%; 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%;\"\u003e2026\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eCustom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2026\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eAT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eCustom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eAT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eCustom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eAT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2023\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eCustom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2023\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eAT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eCustom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, WT, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eChevrolet Silverado 1500 LTD\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eCustom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eAT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eGMC Sierra 1500 Limited\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eAT4, Denali, Elevation, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eCustom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eAT4, Base, Denali, Elevation, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eCustom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eAT4, Base, Denali, Elevation, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eChevrolet Silverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eCustom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.15942%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 21.3768%;\"\u003eGMC Sierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 26.2681%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 45.1087%;\"\u003eAT4, Base, Denali, Elevation, 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 class=\"product-table\" style=\"height: 160.8px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.6343%;\"\u003e \u003ccol style=\"width: 70.145%;\"\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\u003e23388801\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\u003eGenuine GM\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\u003eEngine Radiator Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.2625px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2019–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 14.275px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48.8 x 36.6 x 8.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.30 lb\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\u003eThe 23388801 engine radiator assembly is engineered to meet factory cooling system performance and installation specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine GM engine radiator assembly\u003c\/li\u003e\n\u003cli\u003eSupports proper coolant circulation through the engine cooling system\u003c\/li\u003e\n\u003cli\u003eCore construction designed for effective heat dissipation\u003c\/li\u003e\n\u003cli\u003eFactory-style hose connections for coolant inlet and outlet\u003c\/li\u003e\n\u003cli\u003eMounting points align with original radiator support structure\u003c\/li\u003e\n\u003cli\u003eBuilt to integrate with the vehicle’s thermostat and cooling components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1913\" data-start=\"1893\"\u003eApplication Notes\u003c\/h2\u003e\n\u003cp data-start=\"3736\" data-end=\"4020\"\u003eThe 23388801 radiator assembly is used in the engine cooling system of compatible Chevrolet Silverado 1500 and GMC Sierra 1500 trucks equipped with the engines listed above. It installs in the factory radiator support and connects to the original coolant hoses and cooling components.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"4022\" data-end=\"4123\"\u003eAlways verify part number, engine configuration, and cooling system compatibility before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":48432453648611,"sku":"23388801","price":722.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_3fa9d1ab-3755-4e8d-beb6-f005ef4c98e6.webp?v=1772814501","url":"https:\/\/unitautoparts.com\/products\/23388801-genuine-gm-engine-radiator-assembly-for-silverado-sierra-1500-5-3l-6-2l","provider":"Unit Auto Parts","version":"1.0","type":"link"}