Gates 21943 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Vehicle Cooling Systems

The Gates Molded Coolant Hose 21943 is engineered to provide dependable coolant flow in automotive cooling systems. Designed with durable EPDM material, this radiator coolant hose ensures consistent performance and resistance to heat and chemicals.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and secure connections
• Inside diameter of 2 inches (51 mm) on both ends for standard radiator connections
• Centerline length of 15.5 inches (394 mm) for accurate fitment
• Does not contain springs or quick connect fittings, ensuring 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 is designed to meet OEM standards, providing a consistent and secure coolant path in various vehicle applications. The molded construction of part number 21943 ensures a precise fit and durability under typical engine operating conditions.

Product Details and Specifications

The Gates 21943 radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have an inside diameter of 2 inches (51 mm), making it compatible with standard radiator fittings. The hose measures 15.5 inches (394 mm) in centerline length, providing a reliable connection between cooling system components. This molded hose does not include springs or quick connect fittings, which simplifies the installation process and reduces potential failure points.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose degradation
• Maintaining proper coolant flow to prevent engine overheating
• Ensuring secure connections in cooling systems without quick connect fittings
• Upgrading to a molded hose for improved fit and durability

Installation Notes and Tips

Before installation, verify the hose dimensions and compatibility with your vehicle’s cooling system. Ensure all connections are clean and free of debris. The molded design of the Gates 21943 hose allows for a precise fit, but care should be taken to avoid twisting or stretching the hose during installation. Use appropriate clamps to secure the hose ends firmly to prevent leaks.

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive hoses, adhering to strict quality control standards. The Molded Coolant Hose 21943 is manufactured to meet or exceed OEM specifications. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship.