{"product_id":"radiator-oem-chevrolet-silverado-2500-hd-20-23-chevrolet-silverado-3500-hd-20-23-gmc-sierra-2500-hd-20-23-gmc-sierra-3500-hd-20-23-fits-6-6l-gas-flex-models-installation-instruction-is-not-included-dpi-13885","title":"2020-2023 Chevrolet Silverado 2500\/3500 HD 6.6L OEM Radiator","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e2020–2023 Chevrolet Silverado 2500\/3500 HD 6.6L OEM Radiator\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eDirect replacement radiator engineered for the 6.6L Duramax diesel platform.\u003c\/strong\u003e Built to OEM specifications for reliable cooling under heavy-duty conditions. Hard panel construction with factory core design ensures compatibility with existing cooling system components.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Ships from FL Warehouse\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ In-House Quality Check\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Factory Mounting Points\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eKey Features\u003c\/h6\u003e\n\u003cdiv class=\"design-features\"\u003e\u003cul class=\"feature-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-spec core design\u003c\/strong\u003e - Maintains original heat dissipation performance without modification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory mounting points\u003c\/strong\u003e - Bolts directly into existing frame locations, no drilling or adapter plates required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuramax-rated capacity\u003c\/strong\u003e - Sized for the thermal load of the 6.6L diesel engine under towing and sustained use\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single-pass core with OEM tank design\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhats Included\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eRadiator assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch6 class=\"section-title\"\u003eFrequently Asked Questions\u003c\/h6\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to drain the entire cooling system to swap this in?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Disconnect both hoses, drain the system into a catch pan, then unbolt the radiator from the frame. Reverse the process with your new unit. Have a fresh coolant mix ready before refill.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work with my existing hoses and thermostat housing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFactory hoses and housing connect at the same points, so no adapter fittings are needed. Verify hose condition before reinstall — if they're original, consider replacing them at the same time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the return window if this radiator doesn't fit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTest-fit before you seal it into the engine bay. If it doesn't align with your mounting points or hose connections, reach out to us within 30 days for next steps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":45874463015146,"sku":"K2-10306-CHV-006-EC","price":269.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/OEM-RA-13885.jpg?v=1772775487","url":"https:\/\/www.k2-industries.com\/en-hk\/products\/radiator-oem-chevrolet-silverado-2500-hd-20-23-chevrolet-silverado-3500-hd-20-23-gmc-sierra-2500-hd-20-23-gmc-sierra-3500-hd-20-23-fits-6-6l-gas-flex-models-installation-instruction-is-not-included-dpi-13885","provider":"K2 Industries","version":"1.0","type":"link"}