Gates 21987 Radiator Coolant Hose - Lower - Engine To Radiator or Upper - Engine To Pipe

Reliable Radiator Coolant Hose for Efficient Cooling

The Gates Molded Coolant Hose 21987 is engineered to provide dependable coolant flow in your vehicle's cooling system. Designed with durable EPDM material and precise molded construction, this radiator coolant hose ensures consistent performance and longevity.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for exact fit and secure connections
• Contains internal spring reinforcement to prevent collapse under vacuum
• Centerline length of 24.4 inches (620 mm) for accurate fitment
• End 1 and End 2 inside diameters both measure 2.19 inches (56 mm)

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-engineered hoses that are molded to exact specifications, ensuring a reliable seal and fit in cooling systems. This product line is designed to meet or exceed OEM standards, providing consistent coolant flow and resistance to heat, pressure, and chemical exposure. The 21987 part is a molded radiator coolant hose that integrates spring reinforcement for added durability in demanding automotive environments.

Technical Details and Features

This radiator coolant hose features EPDM construction, known for its excellent resistance to heat, ozone, and coolant chemicals, making it suitable for extended use in engine cooling systems. The molded design ensures a precise fit with no need for additional modifications. Both ends have an inside diameter of 2.19 inches (56 mm), matching common radiator and engine connections. The internal spring reinforcement prevents hose collapse during vacuum conditions, maintaining coolant flow integrity. With a centerline length of 24.4 inches (620 mm), this hose fits specific vehicle applications requiring these dimensions.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose deterioration
• Preventing hose collapse under engine vacuum conditions
• Maintaining proper coolant flow to avoid engine overheating
• Upgrading to a molded hose for improved fit and durability

Installation Notes and Tips

Ensure the vehicle is cool before removing the old hose to avoid burns. Verify that the 2.19 inch (56 mm) inside diameter and 24.4 inch (620 mm) length match your vehicle’s specifications. Use appropriate clamps to secure the hose ends firmly. Inspect surrounding components for wear or damage during installation. The molded design of the Gates 21987 hose facilitates a straightforward replacement without the need for modifications.

Quality Assurance and Warranty

Gates Molded Coolant Hose 21987 is manufactured to meet stringent quality standards, ensuring reliable performance in automotive cooling systems. The EPDM material and molded construction provide resistance to heat, pressure, and chemical exposure. While specific warranty details are not provided, Gates products typically adhere to industry standards for durability and reliability.