{"product_id":"gates-21778-radiator-coolant-hose","title":"Gates 21778 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eOverview of Gates Molded Coolant Hose 21778\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21778 is designed specifically for Mercedes-Benz vehicles including the 260E, 300CE, 300E, and 300TE models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMade from high-quality EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eMolded design for precise fit and durability\u003c\/li\u003e\n\u003cli\u003eCenterline length of 14.8 inches (376 mm) for exact replacement\u003c\/li\u003e\n\u003cli\u003eInside diameter of 1.34 inches (34 mm) on both ends\u003c\/li\u003e\n\u003cli\u003eDoes not contain a spring or quick connect fittings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Coolant Hose 21778 is engineered to meet the specifications required by Mercedes-Benz 260E, 300CE, 300E, and 300TE models. Its EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in radiator cooling systems. The molded design ensures a precise fit, reducing the risk of leaks and improving overall system reliability. With a centerline length of 14.8 inches (376 mm) and consistent inside diameters of 1.34 inches (34 mm) on both ends, this hose provides a direct replacement for the original part.\u003c\/p\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 OEM specifications. This eliminates the need for bending or shaping during installation, ensuring a secure and leak-free connection. The molded design also enhances durability by reducing stress points commonly found in flexible hoses. The 21778 part is a representative example of this product line, tailored for specific Mercedes-Benz models.\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\u003ePrevention of coolant leaks that can cause engine overheating\u003c\/li\u003e\n\u003cli\u003eRestoration of proper coolant flow in Mercedes-Benz 260E, 300CE, 300E, and 300TE\u003c\/li\u003e\n\u003cli\u003eElimination of hose collapse or deformation under pressure\u003c\/li\u003e\n\u003cli\u003eAddressing coolant hose failures due to aging or chemical degradation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the engine is cool before beginning installation to avoid burns. Verify that the hose dimensions match the original part, specifically the 1.34 inch (34 mm) inside diameters and 14.8 inch (376 mm) centerline length. Use appropriate clamps to secure the hose ends and check for leaks after installation. Avoid twisting or stretching the hose during fitting to maintain the molded shape and integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Coolant Hose 21778 is manufactured to meet strict quality standards for durability and performance. The EPDM material and molded construction contribute to long service life under normal operating conditions. Warranty details should be confirmed with the parts distributor or manufacturer documentation.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307257782453,"sku":"BBSC-21778","price":34.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_21778_Fro.jpg?v=1775146005","url":"https:\/\/www.partcatalog.com\/products\/gates-21778-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}