Gates 21640 Radiator Coolant Hose - Lower - Engine To Pipe or Upper

Reliable Radiator Coolant Hose for Pontiac Fiero and Toyota T100

The Gates Molded Coolant Hose 21640 is engineered to provide dependable coolant flow for your Pontiac Fiero or Toyota T100. Designed with durable EPDM material and precise molded construction, this radiator coolant hose ensures a secure fit and long-lasting performance.

Key Features of Gates Molded Coolant Hose 21640

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for exact fit and reliable sealing
• Centerline length of 22.2 inches (564 mm) for proper routing
• Consistent inside diameter of 1.25 inches (32 mm) on both ends
• Does not contain a spring, ensuring flexibility without internal restrictions
• Compatible with Pontiac Fiero and Toyota T100 models

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-molded hoses designed to meet specific vehicle requirements. This product line emphasizes exact fitment and material durability, reducing the risk of leaks and premature wear. The 21640 part number is part of this line, offering a tailored solution for cooling system maintenance on select Pontiac and Toyota vehicles.

Detailed Product Description

The Gates Molded Coolant Hose 21640 is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1.25 inches (32 mm), ensuring consistent coolant flow without restriction. The molded construction provides a precise shape that matches the original equipment specifications, facilitating straightforward installation and reliable sealing. With a centerline length of 22.2 inches (564 mm), this hose is designed to fit the cooling system layout of Pontiac Fiero and Toyota T100 models without modification. The absence of an internal spring allows for flexibility while maintaining structural integrity under operating conditions.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Pontiac Fiero and Toyota T100
• Prevention of coolant leaks caused by hose degradation or improper fit
• Restoration of proper coolant flow to maintain engine temperature regulation
• Elimination of hose collapse or restriction due to internal spring absence
• Maintenance of cooling system integrity during routine vehicle servicing

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify that the hose ends and clamps are clean and free of debris before installation. The molded design of the Gates 21640 hose allows for direct replacement without modification. Use appropriate hose clamps to secure each end firmly, preventing leaks. Inspect the cooling system for any additional wear or damage during installation.

Quality Assurance and Warranty

Gates Molded Coolant Hose 21640 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction contribute to a reliable service life under normal operating conditions. Warranty details are provided by Gates and should be referenced for specific coverage information.