Gates 21131 Radiator Coolant Hose - Lower - Engine To Pipe

Overview of Gates Molded Coolant Hose 21131

The Gates Molded Coolant Hose 21131 is designed for reliable radiator coolant transfer in various automotive applications. Constructed from durable EPDM material, this molded hose offers precise fitment and long-lasting performance for vehicles requiring specific hose dimensions.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Molded design ensures exact shape and fit without the need for clamps or additional fittings
• End 1 inside diameter: 2 inches (51 mm)
• End 2 inside diameter: 2.5 inches (64 mm)
• Centerline length: 12.7 inches (323 mm)
• Contains no internal spring, providing consistent coolant flow
• Zero branch quantity and no quick connect fittings for straightforward installation

Detailed Product Description

The Gates Molded Coolant Hose 21131 is engineered from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This molded radiator coolant hose features two different inside diameters at each end—2 inches (51 mm) on one side and 2.5 inches (64 mm) on the other—allowing it to connect components with varying sizes. With a centerline length of 12.7 inches (323 mm), it fits applications requiring this specific hose length. The absence of an internal spring and quick connect fittings simplifies the hose design, reducing potential failure points. This hose is part of the Gates Molded Coolant Hose product line, which focuses on precision-molded hoses that maintain shape integrity and ensure leak-free coolant transfer in demanding engine environments.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in vehicles with 2" and 2.5" diameter connections
• Resolving coolant leaks caused by hose degradation or improper fit
• Preventing overheating issues due to compromised coolant flow
• Eliminating hose collapse or deformation under engine heat and pressure
• Ensuring secure coolant routing in vehicles requiring a 12.7" (323 mm) molded hose

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 21131, ensure the hose ends match the radiator and engine fittings with 2" and 2.5" inside diameters respectively. The molded shape requires proper alignment to avoid stress or kinks. Inspect the hose connections for cleanliness and remove any debris before installation. Since this hose does not contain an internal spring, verify that clamps are properly tightened to prevent leaks. This hose is compatible with vehicles that require a molded radiator coolant hose with the specified dimensions, including certain Ford, Chevrolet, and Dodge models (verify exact fitment with vehicle specifications).

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive cooling system components, and the Molded Coolant Hose 21131 is produced under strict quality control standards. The EPDM material and molded construction provide durability against heat, pressure, and chemical exposure. While specific warranty details are not provided, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship. For precise warranty information, consult the product documentation or Gates customer support.