{"product_id":"gates-21991-radiator-coolant-hose","title":"Gates 21991 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eOverview of Gates Molded Coolant Hose 21991\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21991 is designed for reliable cooling system performance in select Buick, 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, Grand Prix, Lumina, and Monte Carlo.\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 16.4 inches (417 mm) for accurate routing\u003c\/li\u003e\n\u003cli\u003eInside diameter of 1.27 inches (32 mm) on both ends for consistent coolant flow\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM makes and models including Buick Regal and Pontiac Trans Sport\u003c\/li\u003e\n\u003cli\u003eDoes not contain a spring or quick connect fittings, ensuring a straightforward replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis radiator coolant hose from Gates is part of the Molded Coolant Hose product line, which focuses on delivering hoses that are pre-formed to match the exact contours required by specific vehicle applications. The molded construction eliminates the need for bending or shaping during installation, reducing the risk of kinks or leaks. Made from EPDM, the hose resists degradation from heat, ozone, and automotive fluids, providing durability and longevity in the cooling system.\u003c\/p\u003e\u003cp\u003eThe hose features a centerline length of 16.4 inches (417 mm) and an inside diameter of 1.27 inches (32 mm) on both ends, ensuring proper coolant flow and fitment. It is designed without springs or quick connect fittings, making it suitable for direct replacement in compatible vehicles without additional hardware.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis Gates Molded Coolant Hose 21991 is compatible with a range of General Motors vehicles, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Cutlass and Regal\u003c\/li\u003e\n\u003cli\u003eChevrolet Lumina, Monte Carlo, and Montana\u003c\/li\u003e\n\u003cli\u003eOldsmobile Cutlass Supreme and Silhouette\u003c\/li\u003e\n\u003cli\u003ePontiac Grand Prix, Trans Sport\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is intended for use as a radiator coolant hose, helping to maintain proper engine temperature by facilitating coolant circulation.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Radiator Coolant Hose\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of cracked or leaking radiator hoses\u003c\/li\u003e\n\u003cli\u003eResolving coolant flow restrictions due to hose deformation\u003c\/li\u003e\n\u003cli\u003ePreventing overheating caused by coolant leaks\u003c\/li\u003e\n\u003cli\u003eEliminating hose failures from material degradation\u003c\/li\u003e\n\u003cli\u003eEnsuring proper fitment in GM vehicles requiring molded hose design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify hose dimensions and compatibility with your specific vehicle model before installation\u003c\/li\u003e\n\u003cli\u003eEnsure all clamps and connections are secure to prevent leaks\u003c\/li\u003e\n\u003cli\u003eInspect surrounding components for wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eDrain coolant system properly before removing the old hose\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the molded hose during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Coolant Hose 21991 is manufactured to meet or exceed OEM specifications for durability and performance. The EPDM material and molded design contribute to long service life under normal operating conditions. While specific warranty details may vary, Gates typically offers coverage against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307269316789,"sku":"BBSC-21991","price":30.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_21991_Fro.jpg?v=1775146033","url":"https:\/\/www.partcatalog.com\/products\/gates-21991-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}