Gates 21765 Radiator Coolant Hose - Upper or Upper - Engine To Radiator

Overview of Gates Molded Coolant Hose 21765

The Gates Molded Coolant Hose 21765 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: 2.25 inches (57 mm)
• End 2 Inside Diameter: 2.5 inches (64 mm)
• Centerline Length: 26.2 inches (665 mm)
• Molded design for exact fit and durability
• Contains no internal spring for smooth coolant flow
• No quick connect fittings included

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on precision-engineered hoses designed to meet specific vehicle requirements. These molded hoses provide consistent dimensions and reliable sealing surfaces, reducing the risk of leaks and coolant loss. The 21765 part number is part of this line, ensuring compatibility and performance in cooling system applications.

Detailed Product Description

This radiator coolant hose features an EPDM construction that withstands high temperatures and exposure to automotive fluids. The molded design ensures the hose maintains its shape and fit, preventing kinks and premature wear. With an inside diameter of 2.25 inches (57 mm) on one end and 2.5 inches (64 mm) on the other, and a centerline length of 26.2 inches (665 mm), it is designed to fit specific radiator connections accurately. The absence of an internal spring allows for unobstructed coolant flow, supporting efficient engine cooling.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose degradation
• Preventing overheating due to compromised coolant flow
• Maintaining proper coolant system pressure and circulation
• Ensuring compatibility with specific vehicle cooling system layouts

Installation Notes and Tips

Before installation, verify the hose dimensions against your vehicle’s specifications to ensure proper fitment. The molded design requires precise alignment with radiator and engine fittings. Avoid twisting or stretching the hose during installation to maintain its integrity. Use appropriate clamps to secure the hose ends firmly and check for leaks after installation.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 21765 to meet industry standards for durability and performance. The EPDM material and molded construction contribute to a reliable service life under normal operating conditions. Please refer to Gates’ official warranty policy for specific coverage details related to this part.