{"product_id":"gates-21648-radiator-coolant-hose","title":"Gates 21648 Radiator Coolant Hose - Upper","description":"\u003ch2\u003eOverview of Gates Molded Coolant Hose 21648\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21648 is designed for reliable cooling system performance in select Chevrolet and GMC trucks. Engineered with durable EPDM material, this radiator coolant hose ensures consistent fit and function for models including C10, C1500, K10, and R1500.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eMolded design for precise fit and leak prevention\u003c\/li\u003e\n\u003cli\u003eCenterline length of 29.8 inches (757 mm) for accurate installation\u003c\/li\u003e\n\u003cli\u003eInside diameter of 1.25 inches (32 mm) on both ends\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet and GMC truck models from C10 to V1500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis radiator coolant hose, part number 21648, is part of the Gates Molded Coolant Hose product line, known for its molded construction that provides a secure and exact fit. The hose is made from EPDM, a synthetic rubber material that offers excellent resistance to heat, ozone, and coolant chemicals, making it suitable for demanding engine environments. Both ends of the hose have an inside diameter of 1.25 inches (32 mm), ensuring compatibility with the cooling system connections on Chevrolet and GMC trucks such as the C20, K2500, and R2500 series. The hose’s centerline length measures 29.8 inches (757 mm), which matches OEM specifications for proper routing and installation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet C10, C20, C1500, C2500\u003c\/li\u003e\n\u003cli\u003eChevrolet K10, K20, K1500, K2500\u003c\/li\u003e\n\u003cli\u003eChevrolet R10, R20, R1500, R2500\u003c\/li\u003e\n\u003cli\u003eChevrolet V10, V1500\u003c\/li\u003e\n\u003cli\u003eGMC C10, C20, C1500, C2500\u003c\/li\u003e\n\u003cli\u003eGMC K10, K20, K1500, K2500\u003c\/li\u003e\n\u003cli\u003eGMC R10, R20, R1500, R2500\u003c\/li\u003e\n\u003cli\u003eGMC V10, V1500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Radiator Coolant Hose\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks due to cracked or worn hoses\u003c\/li\u003e\n\u003cli\u003eOverheating caused by restricted or collapsed hoses\u003c\/li\u003e\n\u003cli\u003eImproper fitment leading to coolant system pressure loss\u003c\/li\u003e\n\u003cli\u003eDegradation from exposure to heat and chemicals\u003c\/li\u003e\n\u003cli\u003eReplacement of aging or damaged OEM hoses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the engine is cool before removing the old hose\u003c\/li\u003e\n\u003cli\u003eCheck all clamps and connections for wear and replace if necessary\u003c\/li\u003e\n\u003cli\u003eVerify the hose orientation matches OEM routing for proper fit\u003c\/li\u003e\n\u003cli\u003eInspect the cooling system for leaks after installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging hose ends during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Coolant Hose 21648 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and coolant chemicals, ensuring long service life. While specific warranty details may vary, Gates products typically come with a limited warranty against defects in material and workmanship. Refer to the manufacturer’s warranty policy for complete information.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307250180277,"sku":"BBSC-21648","price":37.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_21648_Fro.jpg?v=1775145989","url":"https:\/\/www.partcatalog.com\/products\/gates-21648-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}