Gates 23438 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Hummer H2

The Gates Molded Coolant Hose 23438 is engineered to provide dependable cooling system performance for your Hummer H2. Designed with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility under demanding conditions.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and secure connections
• Centerline length of 46.5 inches (1181 mm) for accurate routing
• End 1 and End 2 inside diameters both measure 1.29 inches (33 mm)
• Contains no internal spring, ensuring smooth coolant flow
• Compatible specifically with Hummer H2 cooling systems

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 performance in cooling system applications. The molded construction of part number 23438 ensures it matches the original equipment shape and dimensions for the Hummer H2.

Product Details and Specifications

This radiator coolant hose features a molded design with no quick connect fittings or branches, simplifying installation and maintenance. Both ends have an inside diameter of 1.29 inches (33 mm), making it suitable for the Hummer H2’s cooling system connections. The hose length is 46.5 inches (1181 mm) measured along the centerline, ensuring proper reach and routing within the engine bay. The EPDM material offers resistance to heat, ozone, and coolant chemicals, contributing to long service life without cracking or swelling.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Hummer H2 vehicles
• Resolving coolant leaks caused by hose deterioration or damage
• Maintaining optimal engine temperature by ensuring proper coolant flow
• Preventing overheating issues related to compromised hose integrity
• Restoring factory-spec fitment and performance in cooling system repairs

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify that the hose routing matches the original path to prevent kinks or interference with other components. Use appropriate clamps to secure the hose ends firmly, but avoid overtightening which can damage the hose. Inspect adjacent components for wear or damage during installation to maintain overall cooling system reliability.

Quality Assurance and Warranty

Gates Molded Coolant Hose 23438 is manufactured to meet strict quality standards for durability and performance. The EPDM material and molded construction provide resistance to heat and chemical exposure typical in automotive cooling systems. While specific warranty details are not provided, Gates products generally adhere to industry standards for reliability and fitment in OEM replacement parts.