Gates 21668 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21668

The Gates Molded Coolant Hose 21668 is designed specifically for Ford F-250, F-250 HD, and F-350 models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Made from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and durability
• End 1 inside diameter: 1.5 inches (38 mm)
• End 2 inside diameter: 1.75 inches (44 mm)
• Centerline length: 19.7 inches (500 mm)
• Contains no internal spring for flexibility
• Compatible with Ford F-250, F-250 HD, and F-350 models

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on providing pre-formed hoses that match exact OEM specifications. This eliminates the need for bending or shaping during installation, reducing the risk of leaks or premature wear. The molded construction of part number 21668 ensures consistent performance and fitment for Ford heavy-duty trucks.

Detailed Product Description

This radiator coolant hose is engineered from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The molded design of the Gates 21668 hose provides a precise fit with two different inside diameters—1.5 inches (38 mm) on one end and 1.75 inches (44 mm) on the other—allowing it to connect seamlessly within the cooling system. With a centerline length of 19.7 inches (500 mm), it is tailored to the routing requirements of Ford F-250, F-250 HD, and F-350 trucks. The hose does not contain an internal spring, which offers flexibility while maintaining structural integrity under operating conditions.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Ford F-250 and F-350 trucks
• Resolving coolant leaks caused by hose degradation
• Preventing overheating due to compromised coolant flow
• Maintaining proper coolant system pressure and flow
• Ensuring compatibility with factory cooling system components

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 21668, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose orientation matches the molded shape for proper fitment. Use appropriate clamps to secure each end, matching the specified inside diameters of 1.5 inches and 1.75 inches. Inspect adjacent components for wear or damage during replacement to maintain system integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 21668 to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and coolant chemicals. While specific warranty details may vary, Gates typically offers coverage against defects in materials and workmanship, supporting reliable operation in Ford F-250, F-250 HD, and F-350 vehicles.