{"product_id":"gates-21639-radiator-coolant-hose","title":"Gates 21639 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eOverview of Gates Molded Coolant Hose 21639\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21639 is designed for reliable cooling system performance in select Dodge, Plymouth, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures proper coolant flow and heat resistance for models like the Caravan, Grand Caravan, Grand Voyager, Tempest, and Voyager.\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\u003eEnd 1 inside diameter: 1.25 inches (32 mm)\u003c\/li\u003e\n\u003cli\u003eEnd 2 inside diameter: 1.5 inches (38 mm)\u003c\/li\u003e\n\u003cli\u003eCenterline length of 29.1 inches (739 mm) for accurate routing\u003c\/li\u003e\n\u003cli\u003eContains no internal spring, ensuring smooth coolant flow\u003c\/li\u003e\n\u003cli\u003eCompatible with Dodge Caravan, Plymouth Grand Caravan, Grand Voyager, Tempest, and Voyager models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Molded Coolant Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose line focuses on precision-molded radiator hoses designed to meet exact OEM specifications. This product line emphasizes durability and fitment accuracy, reducing the risk of leaks and coolant loss. The molded construction of part number 21639 provides a reliable seal and consistent coolant flow, essential for maintaining engine temperature in compatible Dodge, Plymouth, and Pontiac vehicles.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21639 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The hose features two different inside diameters—1.25 inches (32 mm) on one end and 1.5 inches (38 mm) on the other—allowing it to connect seamlessly between varying radiator and engine fittings. With a centerline length of 29.1 inches (739 mm), this molded hose is designed to fit the cooling system layout of specific Dodge Caravan, Plymouth Grand Caravan, Grand Voyager, Tempest, and Voyager models. The absence of an internal spring ensures unobstructed coolant flow, reducing the risk of blockages or pressure drops.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses in Dodge Caravan and Plymouth Grand Caravan\u003c\/li\u003e\n\u003cli\u003eAddressing coolant leaks caused by hose degradation in Pontiac Tempest and Voyager models\u003c\/li\u003e\n\u003cli\u003eRestoring proper coolant circulation to prevent engine overheating\u003c\/li\u003e\n\u003cli\u003eEliminating hose collapse or kinking issues due to flexible yet sturdy molded design\u003c\/li\u003e\n\u003cli\u003eEnsuring secure connections without quick connect fittings for reliable coolant system integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your vehicle’s make, model, and year before installation\u003c\/li\u003e\n\u003cli\u003eEnsure all old hose clamps and fittings are removed and cleaned prior to fitting the new hose\u003c\/li\u003e\n\u003cli\u003eUse appropriate clamps to secure both ends of the hose, matching the 1.25 inch and 1.5 inch diameters\u003c\/li\u003e\n\u003cli\u003eInspect the cooling system for leaks after installation and during initial engine operation\u003c\/li\u003e\n\u003cli\u003eHandle the hose carefully to avoid twisting or kinking during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Coolant Hose 21639 is manufactured to meet stringent quality standards, ensuring durability and performance under typical operating conditions. The EPDM material and molded construction provide resistance to heat, pressure, and automotive fluids. While specific warranty details may vary, Gates products generally come with a limited warranty against defects in material and workmanship. Consult product documentation or authorized sources for exact warranty terms.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307249918133,"sku":"BBSC-21639","price":54.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_21639_Fro_1cdbbd52-ba1c-4776-a1d4-0e815e60c64a.jpg?v=1775145988","url":"https:\/\/www.partcatalog.com\/products\/gates-21639-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}