Gates 21958 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21958

The Gates Molded Coolant Hose 21958 is designed for reliable cooling system performance in select Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent fit and function for models like the Cutlass Supreme, Grand Prix, and Lumina.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and reduced installation time
• Centerline length of 17.2 inches (437 mm) for accurate routing
• Inside diameter of 1.27 inches (32 mm) on both ends for consistent coolant flow
• Does not contain a spring or quick connect fittings, simplifying maintenance

Detailed Product Description

This radiator coolant hose from Gates is part of the Molded Coolant Hose product line, which focuses on delivering hoses that are pre-formed to match specific vehicle applications. The molded construction of part number 21958 eliminates the need for bending or shaping during installation, reducing the risk of kinks or leaks. Made from EPDM, the hose offers resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity over time. With identical inside diameters of 1.27 inches (32 mm) on both ends and a centerline length of 17.2 inches (437 mm), this hose is engineered to fit the cooling systems of Chevrolet Cutlass Supreme, Oldsmobile Cutlass Supreme, Pontiac Grand Prix, and Chevrolet Lumina models precisely.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Chevrolet, Oldsmobile, and Pontiac vehicles
• Resolving coolant leaks caused by hose deterioration or improper fit
• Preventing overheating issues related to compromised coolant flow
• Eliminating hose kinks or blockages due to non-molded or flexible hoses
• Maintaining proper coolant system pressure and circulation

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to avoid burns
• Verify the hose orientation matches the original routing to prevent stress or interference
• Use appropriate clamps to secure the hose ends firmly without over-tightening
• Inspect adjacent components for wear or damage during installation
• Check for leaks after installation by running the engine and monitoring coolant flow

Quality Assurance and Warranty

Gates Molded Coolant Hose 21958 is manufactured to meet or exceed OEM specifications for durability and performance. The EPDM material and molded design contribute to long service life under normal operating conditions. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in material and workmanship. For exact warranty terms, consult the product documentation or manufacturer.