Gates 21278 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Chevrolet, Oldsmobile, and Pontiac

The Gates Molded Coolant Hose 21278 is engineered to provide dependable cooling system performance for select Chevrolet, Oldsmobile, and Pontiac vehicles. Designed specifically for models like the Monza, Starfire, and Sunbird, this radiator coolant hose ensures proper fit and function in your vehicle's cooling system.

• Constructed from durable EPDM material for heat and chemical resistance
• Molded design for precise fit and leak prevention
• End 1 and End 2 inside diameters both measure 1.5 inches (38 mm)
• Centerline length of 17.2 inches (437 mm) for accurate routing
• Does not contain a spring or quick connect fittings

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to match specific vehicle applications. This eliminates the need for bending or shaping during installation, reducing the risk of kinks or leaks. The molded construction of part number 21278 ensures consistent quality and fitment for Chevrolet Monza, Oldsmobile Starfire, and Pontiac Sunbird models.

Product Details and Specifications

This 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 1.5 inches (38 mm), making it compatible with standard radiator fittings on the specified vehicles. The centerline length of 17.2 inches (437 mm) allows for proper coolant flow and routing within the engine bay. The hose is molded, which means it is shaped to fit the exact contours required without the need for additional modifications. It does not include any springs or quick connect fittings, simplifying the installation process.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet Monza, Oldsmobile Starfire, and Pontiac Sunbird
• Addressing coolant leaks caused by hose deterioration or damage
• Preventing overheating issues due to compromised coolant flow
• Restoring proper coolant circulation in aging cooling systems
• Ensuring a secure and leak-free connection between radiator and engine

Installation Notes and Tips

Before installing the Gates Molded Coolant Hose 21278, ensure the engine is cool to avoid burns from hot coolant. Drain the cooling system to prevent spills and remove the old hose carefully, inspecting the fittings for corrosion or damage. The molded design of this hose allows for straightforward installation without bending or shaping. Use appropriate clamps to secure both ends firmly, and check for leaks after installation by running the engine to operating temperature.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 21278 to meet or exceed OEM specifications for durability and performance. The EPDM material and molded construction contribute to long service life under normal operating conditions. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in materials and workmanship.