Gates 21508 Radiator Coolant Hose - Lower or Upper

Gates 21508 Molded Coolant Hose Overview

Gates 21508 is a molded radiator coolant hose built to OEM-quality specifications for upper and lower cooling-system applications. It is formed from EPDM for dependable coolant resistance and a precise fit on select Toyota, Hyundai, Chrysler, Dodge, Geo, Isuzu, and Chevrolet applications.

The Gates Molded Coolant Hose line covers upper, lower, bypass, heater, and other coolant routing needs, giving technicians a direct replacement option for radiator hose service on vehicles such as the Toyota Sienna, Toyota Camry, and Hyundai Sonata.

Key Features

• EPDM construction for coolant-system durability
• Molded shape for routing that matches the original hose path
• 1.21 in. inside diameter at both ends
• 19.1 in. centerline length
• No spring and no quick-connect fittings
• Direct-fit replacement for upper and lower coolant hose applications
• Part number: 21508

Detailed Product Description

This Gates molded coolant hose is engineered for vehicles that require a formed hose with OEM-style dimensions and routing. The 1.21-inch end diameters and 19.1-inch centerline length support accurate fitment in cooling-system service, while the EPDM material is suited for exposure to hot coolant and underhood temperatures. Gates 21508 is listed for applications including 2011-2016 Toyota Sienna upper hose service, 1987-1991 Toyota Camry lower hose service, and 1992-1998 Hyundai Sonata upper hose service. This part cross-references Dayco 71267 for the same application.

Common Problems This Hose Can Address

• Cracked or hardened radiator hose material
• Coolant leaks at a formed hose section
• Collapsed or misshaped hose routing
• Loss of proper coolant flow through the upper or lower hose path
• Replacement needs on aging Toyota, Hyundai, Chrysler, Dodge, Geo, Isuzu, or Chevrolet cooling systems

Installation Notes and Tips

Verify hose routing, end diameters, and position before installation. This hose is listed for upper and lower applications depending on vehicle fitment, so match the vehicle year, make, model, and position exactly. Inspect adjoining clamps, necks, and coolant passages for wear or corrosion before installing the new hose. Confirm the cooling system is filled and bled according to the vehicle service procedure after replacement.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications and offers one of the broadest molded hose replacement lines in the aftermarket. Part number 21508 is built for direct replacement use in listed applications.