Gates 22438 Radiator Coolant Hose - Lower

Gates 22438 Molded Lower Coolant Hose

The Gates 22438 molded coolant hose is built for specific vehicle applications and follows OE-style routing with integrated molded construction. It is made from EPDM and plastic for use in the cooling system, with a branch design that matches the original hose layout on select Chevrolet Silverado 1500 and GMC Sierra 1500 models.

Key Features

• Part number: 22438
• Brand line: Gates Molded Coolant Hose
• Material: EPDM and plastic
• Molded radiator coolant hose with one branch
• Centerline length: 24.43 in. / 621 mm
• End inside diameters: 1.52 in. (39 mm) and 1.77 in. (45 mm)
• OE-style modular hose construction for application-specific routing
• Compatible with lower hose positions on select trucks

Product Details

Gates Molded Coolant Hose products are built for vehicle-specific cooling system layouts and are similar to OEM specifications, including integrated hose features where required by the application. This Gates 22438 hose uses molded construction and a branch configuration to follow the original routing on the cooling system. It is a direct-fit style radiator coolant hose for 1999-2004 Chevrolet Silverado 1500 and 1999-2004 GMC Sierra 1500 lower hose applications. The part number 22438 is also referenced in interchange listings for related aftermarket and OE cross-reference use.

This part cross-references Continental 62285 and Dayco 71988 for the same application.

What This Hose Helps Address

• Cracked or aged lower radiator hose material
• Coolant leaks at molded hose sections or branch points
• Improper hose routing after replacement of a damaged original hose
• Cooling system service on a 1999-2004 Chevrolet Silverado 1500
• Cooling system service on a 1999-2004 GMC Sierra 1500

Installation Notes and Tips

Verify the lower hose routing, end diameters, and branch layout against the removed hose before installation. Inspect adjoining clamps, fittings, and coolant passages for wear, corrosion, or residue before installing the new hose. After installation, refill the cooling system with the correct coolant and check for leaks at operating temperature.

Quality Assurance

Gates is a recognized automotive aftermarket supplier with modular coolant hose coverage built around application-specific OE-style designs. The molded EPDM and plastic construction supports consistent fitment for the listed Chevrolet Silverado 1500 and GMC Sierra 1500 lower hose applications.