{"product_id":"gates-21826-radiator-coolant-hose-lower","title":"Gates 21826 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eReliable Radiator Coolant Hose for Chevrolet and GMC Vehicles\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21826 is engineered to provide dependable cooling system performance for select Chevrolet and GMC models. Designed with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for long-lasting operation.\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 connections\u003c\/li\u003e\n\u003cli\u003eEnd 1 inside diameter: 1.75 inches (44 mm)\u003c\/li\u003e\n\u003cli\u003eEnd 2 inside diameter: 2.12 inches (54 mm)\u003c\/li\u003e\n\u003cli\u003eCenterline length of 21 inches (533 mm) for accurate fitment\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet and GMC G20, G30, P20, P30, P2500, and P3500 models\u003c\/li\u003e\n\u003cli\u003eDoes not contain a spring or quick connect fittings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Gates Molded Coolant Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Molded Coolant Hose line by Gates focuses on precision-engineered hoses designed to meet exact OEM specifications. These molded hoses provide a reliable seal and consistent coolant flow, reducing the risk of leaks and overheating. The 21826 part benefits from this product line's emphasis on durability and fitment accuracy, making it suitable for heavy-duty Chevrolet and GMC vehicles.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis radiator coolant hose is molded from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The hose features two different inside diameters—1.75 inches (44 mm) on one end and 2.12 inches (54 mm) on the other—allowing it to connect seamlessly between components with varying sizes. With a centerline length of 21 inches (533 mm), the hose is designed to fit specific cooling system layouts in Chevrolet and GMC vans and trucks. The molded construction ensures a secure, leak-resistant fit without the need for springs or quick connect fittings.\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 G20 and G30 vans\u003c\/li\u003e\n\u003cli\u003eRestoring proper coolant flow in GMC P20 and P30 models\u003c\/li\u003e\n\u003cli\u003ePreventing coolant leaks in Chevrolet P2500 and P3500 trucks\u003c\/li\u003e\n\u003cli\u003eAddressing overheating issues caused by deteriorated hoses\u003c\/li\u003e\n\u003cli\u003eMaintaining cooling system integrity in heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the engine is cool before removing the old hose to avoid burns. Verify the hose orientation matches the original part, paying attention to the differing inside diameters on each end. Use appropriate clamps to secure the hose and check for leaks after installation. The molded design simplifies alignment, but proper tightening is essential to prevent coolant loss.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Coolant Hose 21826 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction contribute to a reliable service life under normal operating conditions. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in materials and workmanship.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":51991350116533,"sku":"BBSC-21826","price":42.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_21826_Fro.jpg?v=1775146009","url":"https:\/\/www.partcatalog.com\/products\/gates-21826-radiator-coolant-hose-lower","provider":"PartCatalog","version":"1.0","type":"link"}