{"product_id":"gates-21957-radiator-coolant-hose","title":"Gates 21957 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eOverview of Gates Molded Coolant Hose 21957\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21957 is designed for reliable cooling system performance in select Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for models like the Cutlass Supreme, Grand Prix, and Lumina.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM material for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eMolded design for precise fit and secure installation\u003c\/li\u003e\n\u003cli\u003eCenterline length of 11.9 inches (302 mm) for accurate routing\u003c\/li\u003e\n\u003cli\u003eEnd 1 and End 2 inside diameters both 1.27 inches (32 mm) for consistent coolant flow\u003c\/li\u003e\n\u003cli\u003eContains no internal spring, reducing potential failure points\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Cutlass Supreme, Oldsmobile Cutlass Supreme, Pontiac Grand Prix, and Chevrolet Lumina\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Molded Coolant Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Molded Coolant Hose line by Gates focuses on precision-engineered radiator hoses that are molded to exact specifications. This approach ensures a secure fit and reliable coolant transfer without the need for additional modifications. The molded construction of part number 21957 provides consistent dimensions and durability, making it suitable for specific GM models requiring exact hose configurations.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21957 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have an inside diameter of 1.27 inches (32 mm), ensuring uniform coolant flow and compatibility with factory fittings. The hose measures 11.9 inches (302 mm) in centerline length, matching the original equipment specifications for a proper fit. This hose does not contain an internal spring, which simplifies the design and reduces potential points of failure. Its molded construction guarantees consistent shape and dimensions, facilitating straightforward installation and reliable operation in the cooling system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses in Chevrolet Cutlass Supreme\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by deteriorated hoses in Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant flow in Oldsmobile Cutlass Supreme cooling systems\u003c\/li\u003e\n\u003cli\u003ePreventing overheating issues related to faulty radiator hoses in Chevrolet Lumina\u003c\/li\u003e\n\u003cli\u003eEnsuring secure hose connections without the need for additional clamps or fittings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify hose dimensions against the original part to ensure compatibility\u003c\/li\u003e\n\u003cli\u003eInspect surrounding components for wear or damage during installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate clamps to secure the hose ends if not already equipped\u003c\/li\u003e\n\u003cli\u003eEnsure coolant system is depressurized and cooled before removal and installation\u003c\/li\u003e\n\u003cli\u003eCheck for leaks after installation by running the engine to operating temperature\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Coolant Hose 21957 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded design contribute to long service life under normal operating conditions. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Chevrolet, Oldsmobile, and Pontiac vehicles.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307266105525,"sku":"BBSC-21957","price":28.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_21957_Fro.jpg?v=1775146027","url":"https:\/\/www.partcatalog.com\/products\/gates-21957-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}