Gates 21400 Radiator Coolant Hose - Lower - Engine To Pipe or Lower - Pipe To Radiator

Reliable Radiator Coolant Hose for Vehicle Cooling Systems

The Gates Molded Coolant Hose 21400 is engineered to provide dependable performance in automotive cooling systems. Designed with durable EPDM material, this radiator coolant hose ensures consistent fluid transfer and heat resistance for various vehicle applications.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and secure connections
• End 1 inside diameter: 2.5 inches (64 mm)
• End 2 inside diameter: 3 inches (76 mm)
• Centerline length: 5 inches (127 mm)
• Contains no internal spring, ensuring smooth coolant flow
• Zero branch quantity and no quick connect fittings for straightforward installation

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to exact specifications, reducing installation time and improving fitment accuracy. This product line is designed to meet OEM standards, providing reliable coolant flow and resistance to common automotive fluids and temperature extremes.

Product Details and Specifications

The Gates 21400 radiator coolant hose is molded from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. The hose features two different inside diameters—2.5 inches (64 mm) on one end and 3 inches (76 mm) on the other—allowing it to connect components with varying sizes. With a centerline length of 5 inches (127 mm), this hose is suitable for applications requiring a short, precise coolant path. The absence of an internal spring ensures unobstructed coolant flow, while the molded construction provides a secure and leak-resistant fit.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in vehicles
• Resolving coolant leaks caused by hose degradation or improper fit
• Maintaining optimal engine temperature by ensuring proper coolant circulation
• Preventing overheating issues related to faulty or damaged hoses
• Supporting cooling system repairs in compatible makes and models

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns from hot coolant. Verify that the hose dimensions match the vehicle’s specifications, particularly the inside diameters and length. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Inspect adjacent components for wear or damage during replacement to maintain overall cooling system integrity.

Quality Assurance and Warranty Information

Gates Molded Coolant Hose 21400 is manufactured to meet stringent quality standards, ensuring durability and reliable performance. The EPDM material and molded design contribute to long service life under typical operating conditions. Please refer to Gates’ official warranty policy for specific coverage details related to this part.