{"product_id":"gates-21990-radiator-coolant-hose","title":"Gates 21990 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eOverview of Gates Molded Coolant Hose 21990\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21990 is designed specifically for select Buick and Oldsmobile models, including the Century, Cutlass Ciera, and Cutlass Cruiser. This radiator coolant hose is engineered to meet the cooling system requirements of these vehicles, ensuring reliable performance and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable 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\u003eEnd 1 inside diameter: 1.27 inches (32 mm)\u003c\/li\u003e\n\u003cli\u003eEnd 2 inside diameter: 1.52 inches (39 mm)\u003c\/li\u003e\n\u003cli\u003eCenterline length: 20.8 inches (528 mm)\u003c\/li\u003e\n\u003cli\u003eContains no internal spring, ensuring smooth coolant flow\u003c\/li\u003e\n\u003cli\u003eCompatible with Buick Century, Oldsmobile Cutlass Ciera, and Cutlass Cruiser\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21990 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This molded radiator coolant hose features two different inside diameters at each end—1.27 inches (32 mm) and 1.52 inches (39 mm)—to accommodate specific radiator and engine connections. With a centerline length of 20.8 inches (528 mm), it is designed to fit precisely within the cooling system layout of compatible Buick and Oldsmobile vehicles. The hose does not contain an internal spring, which helps maintain consistent coolant flow without obstruction. Its molded construction ensures a secure, leak-resistant fit that aligns with factory specifications.\u003c\/p\u003e\u003ch2\u003eAbout the Molded Coolant Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose line focuses on delivering hoses that are pre-formed to exact OEM shapes and dimensions. This eliminates the need for bending or shaping during installation, reducing the risk of kinks or leaks. The molded design of the 21990 part number ensures compatibility with the cooling systems of Buick Century, Oldsmobile Cutlass Ciera, and Cutlass Cruiser models, providing a reliable replacement option that meets original equipment standards.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by hose degradation\u003c\/li\u003e\n\u003cli\u003ePreventing overheating due to compromised coolant flow\u003c\/li\u003e\n\u003cli\u003eAddressing swelling or softening of old hoses\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant system pressure and circulation\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 to avoid burns\u003c\/li\u003e\n\u003cli\u003eCheck hose connections and clamps for corrosion or damage and replace if necessary\u003c\/li\u003e\n\u003cli\u003eVerify the correct orientation of the molded hose before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate coolant compatible with Buick and Oldsmobile specifications\u003c\/li\u003e\n\u003cli\u003eInspect the cooling system for other worn components during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21990 is manufactured to meet stringent quality standards, ensuring durability and performance in demanding automotive environments. Made from EPDM material, it offers resistance to heat, ozone, and automotive fluids. While specific warranty details are not provided, Gates products typically adhere to industry standards for reliability and fitment, supporting long-term service life in Buick Century, Oldsmobile Cutlass Ciera, and Cutlass Cruiser vehicles.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307269120181,"sku":"BBSC-21990","price":19.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_21990_Fro.jpg?v=1775146033","url":"https:\/\/www.partcatalog.com\/products\/gates-21990-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}