Gates 21570 Radiator Coolant Hose - Upper or Upper - Engine To Radiator

Overview of Gates Molded Coolant Hose 21570

The Gates Molded Coolant Hose 21570 is designed to provide reliable coolant flow in automotive cooling systems. Constructed from durable EPDM material, this radiator coolant hose offers precise fitment and long-lasting performance for various vehicle makes and models.

• Material: EPDM for heat and chemical resistance
• End 1 Inside Diameter: 2 inches (51 mm)
• End 2 Inside Diameter: 2 inches (51 mm)
• Centerline Length: 20.9 inches (531 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

The Gates Molded Coolant Hose 21570 is engineered from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This molded radiator coolant hose features consistent 2-inch (51 mm) inside diameters on both ends, ensuring a secure connection to your vehicle's cooling system components. With a centerline length of 20.9 inches (531 mm), it is designed to fit specific vehicle applications requiring this exact dimension. The molded construction enhances durability and reduces the risk of leaks or hose failure over time. This hose does not contain an internal spring, which allows for unobstructed coolant flow and reduces turbulence within the cooling system.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on precision-molded hoses that meet strict OEM specifications. These hoses are designed to provide reliable coolant transfer with exact fitment, reducing installation time and improving system integrity. The molded design ensures consistent shape and dimensions, which is critical for maintaining proper coolant flow and preventing leaks in modern vehicle cooling systems.

Common Applications and 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
• Addressing fitment issues with non-standard or damaged hoses
• Upgrading to a molded hose for improved durability and reliability

Installation Notes and Tips

Ensure the vehicle is cool before removing the old coolant hose to avoid burns. Verify the hose dimensions, including inside diameters and centerline length, match the Gates 21570 specifications. Use appropriate clamps to secure the hose ends firmly without over-tightening, which can damage the hose. Inspect adjacent cooling system components for wear or damage during installation.

Quality Assurance and Warranty

Gates Molded Coolant Hose 21570 is manufactured to meet or exceed OEM standards for material quality and dimensional accuracy. The EPDM construction provides resistance to heat, pressure, and automotive fluids, contributing to long service life. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.