{"product_id":"gates-21718-radiator-coolant-hose","title":"Gates 21718 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eOverview of Gates Molded Coolant Hose 21718\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21718 is designed for reliable cooling system performance in select Chevrolet and GMC trucks and vans. Engineered with durable EPDM and plastic materials, this radiator coolant hose ensures proper coolant flow and system integrity for vehicles like the Chevrolet C1500 and GMC G20.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from EPDM and plastic 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: 1.5 inches (38 mm)\u003c\/li\u003e\n\u003cli\u003eEnd 2 inside diameter: 1.73 inches (44 mm)\u003c\/li\u003e\n\u003cli\u003eCenterline length: 28.1 inches (714 mm)\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet C1500, C2500, GMC G10, G20, G30, K1500, and K2500 models\u003c\/li\u003e\n\u003cli\u003ePart number 21718 for accurate identification\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 that provide consistent coolant flow and fitment accuracy. This product line utilizes high-quality EPDM rubber and plastic components to withstand the thermal and chemical demands of automotive cooling systems. The molded construction reduces the risk of leaks and improves durability compared to generic hoses.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21718 features a molded design that matches the original equipment specifications for select Chevrolet and GMC trucks and vans. Its EPDM and plastic construction offers resistance to heat, ozone, and coolant chemicals, ensuring long service life. The hose has two different inside diameters—1.5 inches (38 mm) on one end and 1.73 inches (44 mm) on the other—allowing it to connect seamlessly between components with varying sizes. With a centerline length of 28.1 inches (714 mm), this hose fits precisely within the engine bay layout of compatible vehicles. The hose does not contain any springs or quick connect fittings, simplifying installation and maintenance.\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 C1500 and GMC K2500 trucks\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by hose degradation or swelling\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant flow to prevent engine overheating\u003c\/li\u003e\n\u003cli\u003eRestoring cooling system integrity in GMC G10 and Chevrolet C2500 vans\u003c\/li\u003e\n\u003cli\u003eUpgrading aging hoses to maintain factory fit and performance\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 clamps and replace if corroded or damaged\u003c\/li\u003e\n\u003cli\u003eVerify the correct orientation of the hose based on the molded shape\u003c\/li\u003e\n\u003cli\u003eInspect surrounding components for wear or damage during installation\u003c\/li\u003e\n\u003cli\u003eTighten clamps securely to prevent leaks but avoid overtightening\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Coolant Hose 21718 is manufactured to meet or exceed OEM standards for durability and fitment. The use of EPDM and plastic materials ensures resistance to heat and coolant chemicals, contributing to long-term reliability. While specific warranty details may vary, Gates typically offers coverage against manufacturing defects to support product confidence.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307250966709,"sku":"BBSC-21718","price":31.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_21718_Fro_bb0befe0-977b-4f77-a129-443a886ec4a3.jpg?v=1775145995","url":"https:\/\/www.partcatalog.com\/products\/gates-21718-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}