Gates 22557 Radiator Coolant Hose - Lower

Overview of Gates Molded Coolant Hose 22557

The Gates Molded Coolant Hose 22557 is designed for reliable cooling system performance in select Buick, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for models like the Aztek, Montana, Rendezvous, and Silhouette.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and secure installation
• Centerline length of 14 inches (356 mm) for accurate routing
• Inside diameter of 1.31 inches (33 mm) on both ends
• Compatible with Buick Aztek, Oldsmobile Silhouette, Pontiac Montana, and Rendezvous
• Part number 22557 for exact replacement

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering hoses that are pre-formed to match specific vehicle cooling system layouts. This eliminates the need for bending or shaping during installation, reducing the risk of leaks or improper fitment. The molded construction of part number 22557 ensures it meets the exact specifications required for the cooling systems of Buick, Oldsmobile, and Pontiac models listed.

Detailed Product Description

This radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1.31 inches (33 mm), providing a consistent seal with radiator and engine fittings. The 14-inch (356 mm) centerline length allows for proper coolant flow without kinks or restrictions. The hose does not contain any springs or quick connect fittings, simplifying installation and maintenance.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Buick Aztek and Pontiac Montana
• Resolving coolant leaks caused by deteriorated hoses in Oldsmobile Silhouette
• Maintaining proper coolant circulation to prevent engine overheating in Pontiac Rendezvous
• Ensuring secure hose connections without the need for additional fittings or springs
• Restoring factory-spec cooling system performance after hose failure

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Ensure all clamps and fittings are clean and free of debris
• Lubricate hose ends slightly to ease installation and prevent damage
• Check for proper routing to avoid contact with moving parts or hot surfaces
• Inspect the cooling system for leaks after installation and during initial operation

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 22557 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 may vary, Gates typically offers coverage against defects in materials and workmanship, providing confidence in the reliability of this radiator coolant hose.