Gates 21452 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Vehicle Cooling Systems

The Gates Molded Coolant Hose 21452 is engineered to provide dependable performance in automotive cooling systems. Designed with durable EPDM material and precise molded construction, this radiator coolant hose ensures consistent coolant flow and heat resistance for various vehicle applications.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and secure connections
• End 1 and End 2 inside diameters both measure 2.5 inches (64 mm)
• Centerline length of 25.1 inches (638 mm) for accurate fitment
• Contains no internal spring, ensuring smooth coolant flow
• Zero quick connect fittings and branch quantity for straightforward installation

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to exact specifications, reducing installation time and improving reliability. This product line uses EPDM material known for its resistance to heat, ozone, and coolant chemicals, making it suitable for maintaining optimal engine temperatures in a variety of vehicles. The molded design of the 21452 hose ensures a precise fit that minimizes leaks and enhances system durability.

Detailed Product Description

The Gates 21452 radiator coolant hose is designed with a centerline length of 25.1 inches (638 mm) and consistent inside diameters of 2.5 inches (64 mm) on both ends, providing a uniform flow path for coolant circulation. The absence of an internal spring allows for unobstructed coolant flow, reducing the risk of blockages. Its molded construction ensures the hose maintains its shape and fit under engine heat and pressure, while the EPDM material offers resistance to degradation from heat and automotive fluids.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in compatible vehicles
• Prevention of coolant leaks caused by hose deterioration or improper fit
• Maintaining proper engine temperature by ensuring efficient coolant flow
• Addressing hose collapse or deformation under engine vacuum or pressure
• Upgrading to a molded hose for improved durability and fitment accuracy

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify that the inside diameters and centerline length match the vehicle’s specifications. Use appropriate clamps to secure the hose ends firmly without over-tightening, which could damage the hose. Inspect adjacent components for wear or damage during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Gates Molded Coolant Hoses are manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded design contribute to long service life under typical operating conditions. While specific warranty details for part number 21452 are not provided here, Gates products generally come with a limited warranty against defects in material and workmanship.