Gates 21042 Radiator Coolant Hose

Overview of Gates Molded Coolant Hose 21042

The Gates Molded Coolant Hose 21042 is engineered for reliable radiator coolant transfer in various vehicle applications. Constructed from durable EPDM material, this molded radiator coolant hose offers precise fitment and long-lasting performance for compatible makes and models.

• Material: EPDM for heat and chemical resistance
• End 1 Inside Diameter: 3 inches (76 mm)
• End 2 Inside Diameter: 3 inches (76 mm)
• Centerline Length: 14 inches (356 mm)
• Molded design for exact fit and durability
• Contains no internal spring for smooth coolant flow
• No quick connect fittings or branches

Detailed Product Description

This Gates Molded Coolant Hose 21042 is designed to meet the demanding requirements of radiator coolant systems. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, this hose maintains integrity under high-temperature engine conditions. The molded construction ensures a precise shape and fit, reducing the risk of leaks and improving coolant flow efficiency. With identical 3-inch (76 mm) inside diameters on both ends and a centerline length of 14 inches (356 mm), this hose is suitable for specific radiator connections requiring these dimensions.

The absence of internal springs and quick connect fittings simplifies the hose design, making it compatible with traditional radiator hose clamps and fittings. This part number 21042 is part of the Gates Molded Coolant Hose product line, which focuses on molded hoses engineered for durability and exact fitment in cooling systems.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose degradation
• Maintaining proper coolant flow to prevent engine overheating
• Ensuring secure connections in radiator coolant systems
• Upgrading to a molded hose for improved fit and longevity

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 21042, ensure the hose is properly seated on radiator and engine fittings with compatible clamps. Verify the inside diameter matches the vehicle’s radiator inlet and outlet dimensions (3 inches/76 mm). Avoid twisting or stretching the hose during installation to maintain the molded shape and prevent premature wear. Inspect surrounding components for damage or corrosion before installation to ensure a secure and leak-free connection.

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive cooling components, and the Molded Coolant Hose line adheres to strict quality standards for material and construction. The EPDM material provides resistance to heat and coolant chemicals, contributing to the hose’s durability. While specific warranty details for part number 21042 are not provided here, Gates typically offers limited warranties on their cooling system products. Consult the product packaging or manufacturer documentation for exact warranty terms.