Gates 20840 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 20840

The Gates Molded Coolant Hose 20840 is designed for reliable cooling system performance in Chevrolet G10, G20, and G30 models. Constructed from durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility under demanding conditions.

• Material: EPDM for heat and chemical resistance
• End 1 Inside Diameter: 1.5 inches (38 mm)
• End 2 Inside Diameter: 1.5 inches (38 mm)
• Centerline Length: 37.8 inches (960 mm)
• Molded design for precise fit and durability
• Contains no internal spring
• No quick connect fittings included

Detailed Product Description

The Gates Molded Coolant Hose 20840 is engineered to meet the specific cooling requirements of Chevrolet G10, G20, and G30 vans. Made from EPDM (ethylene propylene diene monomer), this hose offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity over time. The molded construction provides a precise shape that matches OEM specifications, ensuring a secure and leak-free connection. With a centerline length of 37.8 inches (960 mm) and consistent 1.5 inch (38 mm) inside diameters on both ends, this radiator coolant hose supports efficient coolant flow and system reliability.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering hoses that are pre-formed to exact OEM shapes, reducing installation time and improving fitment accuracy. This product line is designed to withstand the thermal and chemical stresses typical in automotive cooling systems, making it suitable for vehicles like the Chevrolet G10, G20, and G30. The molded design eliminates the need for additional bending or shaping during installation.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet G10, G20, and G30 vans
• Resolving coolant leaks caused by hose degradation or improper fit
• Preventing overheating issues due to compromised coolant flow
• Maintaining system pressure and preventing hose collapse
• Ensuring compatibility with OEM cooling system components

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 20840, ensure the engine is cool to avoid injury from hot coolant. Verify that the hose dimensions match the vehicle’s specifications, particularly the 1.5 inch (38 mm) inside diameters and 37.8 inch (960 mm) length. Use appropriate clamps to secure the hose ends and check for leaks after installation. The molded shape should align with the original hose routing to prevent kinks or stress points.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 20840 to meet stringent quality standards, using EPDM material for durability and resistance to automotive fluids. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in material and workmanship. For exact warranty terms, consult the product documentation or Gates directly.