Gates 21667 Radiator Coolant Hose - Lower - Engine To Pipe or Lower - Pipe To Water Pump

Reliable Radiator Coolant Hose for Chevrolet and Pontiac Vehicles

The Gates Molded Coolant Hose 21667 is engineered to provide dependable cooling system performance for select Chevrolet and Pontiac models. Designed with precision molding and durable EPDM material, this radiator coolant hose ensures a secure fit and long-lasting service.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and leak prevention
• End 1 inside diameter: 1.12 inches (28 mm)
• End 2 inside diameter: 1.31 inches (33 mm)
• Centerline length: 5.9 inches (150 mm)
• Compatible with Chevrolet Aveo, Aveo5, G3, LeMans, Optima, Wave, and Wave5 models
• Part number 21667 for accurate identification

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are precisely shaped to match OEM specifications. This eliminates the need for bending or modification during installation, reducing the risk of leaks and improving coolant flow efficiency. The molded construction of part number 21667 ensures consistent performance and durability in demanding engine environments.

Product Details and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The hose features two different inside diameters—1.12 inches (28 mm) on one end and 1.31 inches (33 mm) on the other—allowing it to connect seamlessly between components with varying sizes. With a centerline length of 5.9 inches (150 mm), it fits compact engine layouts commonly found in Chevrolet Aveo and Pontiac Wave models. The hose does not contain any internal springs or quick connect fittings, ensuring a straightforward, reliable connection.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet Aveo and Pontiac Wave vehicles
• Resolving coolant leaks caused by hose degradation or improper fit
• Maintaining optimal engine temperature by ensuring proper coolant flow
• Preventing overheating issues related to faulty or damaged hoses
• Supporting cooling system repairs in Chevrolet G3 and Pontiac LeMans models

Installation Notes and Tips

Before installation, verify that the hose dimensions match the vehicle’s specifications. Ensure all clamps and connections are secure to prevent leaks. The molded design of the Gates 21667 hose simplifies installation by fitting precisely without the need for bending or modification. Inspect the cooling system for any additional wear or damage during replacement to maintain overall system integrity.

Quality Assurance and Warranty

Gates Molded Coolant Hose 21667 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material provides resistance to heat and automotive fluids, contributing to a longer service life. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in Chevrolet and Pontiac vehicles.