Gates 51400 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Chevrolet and GMC Vehicles

The Gates Molded Coolant Hose 51400 is engineered to provide dependable cooling system performance for select Chevrolet and GMC trucks and vans. Designed with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for long-lasting service.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and secure connections
• Centerline length of 25.37 inches (644 mm) for accurate replacement
• Inside diameter of 1.75 inches (44 mm) on both ends for consistent coolant flow
• Compatible with Chevrolet Express 2500, Express 3500, GMC Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to match specific vehicle cooling system configurations. This eliminates the need for bending or shaping during installation, reducing the risk of leaks or premature wear. The 51400 part number is part of this line, offering a precise fit for heavy-duty Chevrolet and GMC trucks and vans.

Product Details and Specifications

This radiator coolant hose features a molded construction that maintains its shape under high temperatures and pressure. The EPDM material provides resistance to coolant chemicals and ozone, ensuring durability in demanding engine environments. Both ends have an inside diameter of 1.75 inches (44 mm), allowing for consistent coolant flow and compatibility with factory fittings. The hose measures 25.37 inches (644 mm) in centerline length, matching OEM specifications for proper installation and performance. This hose does not contain a spring or quick connect fittings, reflecting its straightforward design for reliable coolant transfer.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet Express 2500 and 3500 vans
• Addressing coolant leaks in GMC Sierra 2500 HD and 3500 HD trucks
• Restoring proper coolant flow in Silverado 2500 HD and 3500 HD cooling systems
• Preventing overheating caused by deteriorated or collapsed hoses
• Maintaining engine temperature regulation through reliable hose performance

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify that the hose diameter and length match the original part to maintain proper coolant flow. Use appropriate clamps to secure the hose ends firmly without over-tightening, which can damage the hose. Inspect surrounding components for wear or damage during installation to prevent future leaks.

Quality Assurance and Warranty

Gates Molded Coolant Hose 51400 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded design contribute to a reliable cooling system component. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support long-term use in Chevrolet and GMC vehicles.