Gates 21477 Radiator Coolant Hose - Lower

Overview of Gates Molded Coolant Hose 21477

The Gates Molded Coolant Hose 21477 is engineered for reliable radiator coolant transfer in various vehicle applications. Constructed from durable EPDM material, this molded hose is designed to maintain optimal cooling system performance under demanding conditions.

• Material: EPDM for heat and chemical resistance
• End 1 Inside Diameter: 2 inches (51 mm)
• End 2 Inside Diameter: 2 inches (51 mm)
• Centerline Length: 24.9 inches (632 mm)
• Contains internal spring for shape retention
• Molded design for precise fit and durability
• No quick connect fittings or branches

Detailed Product Description

The Gates Molded Coolant Hose from the Molded Coolant Hose product line offers a molded construction that ensures consistent shape and fitment, reducing the risk of leaks and premature wear. Made from EPDM, this hose resists heat, ozone, and coolant chemicals, making it suitable for radiator coolant circulation in many vehicles. The internal spring helps maintain hose shape under pressure and prevents collapse, ensuring steady coolant flow. With a centerline length of 24.9 inches (632 mm) and uniform 2-inch (51 mm) inside diameters on both ends, this hose is designed for applications requiring precise dimensions and durability.

Common Applications and Problem Solving

• Replacement for cracked or leaking radiator coolant hoses
• Resolving coolant flow restrictions caused by collapsed hoses
• Addressing hose degradation from heat and chemical exposure
• Improving cooling system reliability in vehicles with specific 2-inch diameter hose requirements
• Maintaining proper coolant circulation to prevent engine overheating

Installation Notes and Tips

Ensure the hose is compatible with your vehicle’s cooling system dimensions before installation. The molded design requires proper alignment to avoid stress points. Inspect hose clamps and connections for secure fitment. The internal spring aids in maintaining hose shape, but care should be taken to avoid sharp bends that could compromise flow.

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive cooling components, and the Molded Coolant Hose line is produced to meet industry standards for durability and performance. This hose is constructed from EPDM material, known for its resistance to heat and coolant chemicals. While specific warranty details for part number 21477 are not provided, Gates products typically come with manufacturer-backed quality assurance to support reliable operation.