Gates 22651 Radiator Coolant Hose - Lower

Overview of Gates Molded Coolant Hose 22651

The Gates Molded Coolant Hose 22651 is designed for reliable cooling system performance in select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. This radiator coolant hose is engineered to meet specific fitment requirements for models such as the Trailblazer, Envoy, and 9-7x.

• Constructed from durable EPDM material for heat and chemical resistance
• Molded design ensures precise fit and secure connections
• End 1 inside diameter: 1.3 inches (33 mm)
• End 2 inside diameter: 1.53 inches (39 mm)
• Centerline length: 30 inches (762 mm)
• Contains no internal spring, providing flexibility without restriction
• Compatible with multiple GM and related brand SUVs and crossovers

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering hoses that are pre-formed to exact OEM specifications. This eliminates the need for bending or shaping during installation, reducing the risk of kinks or leaks. The molded construction of part number 22651 ensures consistent coolant flow and durability under typical engine operating conditions.

Detailed Product Description

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The molded design of the Gates 22651 hose provides a precise fit with inside diameters of 1.3 inches (33 mm) on one end and 1.53 inches (39 mm) on the other, accommodating specific radiator and engine connections. With a centerline length of 30 inches (762 mm), it is tailored for proper routing in the cooling system without the need for additional modifications. The absence of an internal spring allows for flexibility while maintaining structural integrity.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles
• Resolving coolant leaks caused by hose degradation or improper fit
• Preventing overheating due to restricted coolant flow from damaged hoses
• Eliminating hose collapse or kinking in the cooling system
• Maintaining proper coolant circulation in models like the Trailblazer EXT and Envoy XL

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify the hose routing matches the original to prevent interference with other engine components. Use appropriate clamps to secure the hose ends and check for leaks after installation. The molded shape of the Gates 22651 hose simplifies installation by fitting directly without modification.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 22651 to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction contribute to long service life under normal operating conditions. While specific warranty details may vary, Gates products typically come with a limited warranty against defects in materials and workmanship.