{"product_id":"gates-21637-radiator-coolant-hose","title":"Gates 21637 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eOverview of Gates Molded Coolant Hose 21637\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21637 is designed for reliable cooling system performance in Chevrolet Corsica and Pontiac Tempest vehicles. Constructed from durable EPDM material, this radiator coolant hose ensures consistent fluid flow and heat resistance under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMade from high-quality EPDM rubber 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: 1.26 inches (32 mm)\u003c\/li\u003e\n\u003cli\u003eEnd 2 inside diameter: 1.53 inches (39 mm)\u003c\/li\u003e\n\u003cli\u003eCenterline length: 12.4 inches (315 mm)\u003c\/li\u003e\n\u003cli\u003eContains no internal spring for flexibility\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Corsica and Pontiac Tempest models\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 delivering hoses that are pre-formed to exact specifications, reducing installation time and improving fitment accuracy. This product line is engineered to meet OEM standards, providing consistent performance and durability for cooling system applications. The molded construction of part number 21637 ensures a secure connection without the need for additional fittings or modifications.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21637 is a radiator coolant hose specifically designed for use in Chevrolet Corsica and Pontiac Tempest vehicles. Manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, this hose maintains integrity under high-temperature engine conditions. The molded design allows for precise routing within the engine bay, minimizing stress and potential leaks. With an inside diameter of 1.26 inches (32 mm) on one end and 1.53 inches (39 mm) on the other, and a centerline length of 12.4 inches (315 mm), this hose fits the specified vehicle models without modification. The absence of an internal spring provides flexibility while maintaining shape stability.\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 Corsica and Pontiac Tempest\u003c\/li\u003e\n\u003cli\u003ePrevention of coolant leaks caused by hose degradation or improper fit\u003c\/li\u003e\n\u003cli\u003eRestoration of proper coolant flow to maintain engine temperature regulation\u003c\/li\u003e\n\u003cli\u003eElimination of hose collapse or kinking due to flexible yet stable molded design\u003c\/li\u003e\n\u003cli\u003eAddressing overheating issues related to faulty or damaged radiator hoses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure engine is cool before removing the old hose to avoid burns\u003c\/li\u003e\n\u003cli\u003eInspect 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 to match factory routing\u003c\/li\u003e\n\u003cli\u003eUse appropriate clamps to secure both ends of the hose firmly\u003c\/li\u003e\n\u003cli\u003eCheck for leaks after installation by running the engine and monitoring coolant flow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Coolant Hose 21637 is manufactured to meet or exceed OEM specifications 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 typically offers coverage against manufacturing defects, supporting reliability for Chevrolet Corsica and Pontiac Tempest owners.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307249852597,"sku":"BBSC-21637","price":26.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_21637_Fro.jpg?v=1775145988","url":"https:\/\/www.partcatalog.com\/products\/gates-21637-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}