Gates 21372 Radiator Coolant Hose - Upper, Upper - Engine To Pipe or Upper - Radiator To Pipe

Overview of Gates Molded Coolant Hose 21372

The Gates Molded Coolant Hose part number 21372 is designed to provide reliable coolant flow in automotive cooling systems. Constructed from durable EPDM material, this radiator coolant hose offers precise fitment and long-lasting performance for various vehicle applications.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Molded design ensures exact fit and secure connections
• End 1 inside diameter: 2.25 inches (57 mm)
• End 2 inside diameter: 2.5 inches (64 mm)
• Centerline length: 23.6 inches (599 mm)
• Contains no internal spring, providing flexibility without restriction
• Zero branch quantity and no quick connect fittings for straightforward installation

Detailed Product Description

The Gates Molded Coolant Hose 21372 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—2.25 inches (57 mm) on one end and 2.5 inches (64 mm) on the other—allowing it to connect components with varying sizes securely. With a centerline length of 23.6 inches (599 mm), it fits specific cooling system layouts requiring this exact dimension. The absence of an internal spring enhances flexibility while maintaining structural integrity under pressure. This hose does not include any branches or quick connect fittings, simplifying its use in standard radiator coolant circuits.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on precision-molded hoses designed to meet exact OEM specifications. These hoses are manufactured to provide consistent dimensions and reliable sealing surfaces, reducing the risk of leaks and premature failure. The molded construction ensures a perfect fit for designated vehicle models, improving coolant system efficiency and durability.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose degradation
• Maintaining proper coolant flow to prevent engine overheating
• Addressing fitment issues with hoses that have incorrect diameters or lengths
• Upgrading to a molded hose for improved durability and fit

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 21372, ensure the hose is routed without kinks or sharp bends to maintain optimal coolant flow. Verify that the inside diameters match the mating components—2.25 inches (57 mm) on one end and 2.5 inches (64 mm) on the other—to prevent leaks. Use appropriate clamps tightened to manufacturer specifications. Inspect the cooling system for any signs of wear or damage before installation to avoid future issues.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 21372 to meet stringent quality standards, ensuring durability and performance under typical operating conditions. The EPDM material resists heat, ozone, and coolant chemicals, contributing to a longer service life. Warranty details should be confirmed with the original equipment manufacturer or distributor, as they may vary by application and region.