Gates 21378 Radiator Coolant Hose

Reliable Radiator Coolant Hose for Efficient Cooling

The Gates Molded Coolant Hose 21378 is engineered to provide dependable coolant flow in your vehicle's cooling system. Designed with durable EPDM material and precise molded construction, this radiator coolant hose ensures consistent performance and long service life.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for exact fit and secure connections
• Contains internal spring reinforcement to prevent collapse under pressure
• Centerline length of 762 mm (30 inches) for accurate fitment
• End 1 and End 2 inside diameters both measure 51 mm (2 inches)

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-engineered hoses that are molded to match specific vehicle cooling system requirements. This approach reduces installation time and improves reliability by ensuring a perfect fit. The 21378 part number is part of this line, offering a molded radiator coolant hose that integrates spring reinforcement for enhanced durability.

Detailed Product Description

This radiator coolant hose features EPDM construction, known for its resistance to heat, ozone, and coolant chemicals, making it suitable for demanding engine environments. The molded design ensures the hose maintains its shape and fits securely between radiator and engine components. The internal spring prevents hose collapse during vacuum conditions, maintaining coolant flow integrity. With a centerline length of 762 mm and consistent 51 mm inside diameters on both ends, this hose is designed for vehicles requiring these specific dimensions.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose degradation
• Preventing hose collapse under engine vacuum conditions
• Maintaining proper coolant flow to avoid engine overheating
• Ensuring secure connections in molded hose applications

Installation Notes and Tips

Ensure the vehicle’s cooling system is cool before removing the old hose. Verify the 51 mm inside diameter and 762 mm length match your vehicle’s specifications. Inspect hose clamps and replace if necessary to secure the molded hose properly. The internal spring reinforcement requires careful handling to avoid damage during installation.

Quality Assurance and Warranty

Gates Molded Coolant Hose 21378 is manufactured to meet strict quality standards for durability and performance. The EPDM material and molded construction undergo rigorous testing to ensure resistance to heat and coolant chemicals. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance.