Dorman 625-168XD Engine Oil Cooler Hose Assembly - Inlet and Outlet Assembly

Engine Oil Cooler Hose Assembly for GM Trucks and SUVs

Dorman 625-168XD is an OE FIX engine oil cooler hose assembly for select GM pickup trucks and SUVs. It replaces factory-style rubber lines with PTFE tubing and braided stainless steel for a more durable oil cooler line repair on applications such as Chevrolet Silverado, GMC Sierra, and Cadillac Escalade.

Key Features

• PTFE hose construction with braided stainless steel outer reinforcement
• Engineered to match the factory fit on specified GM applications
• Crimped fittings over carbon steel tubing for secure connection points
• Flexible in low temperatures down to -40°F
• Rated for operating temperatures up to 329°F
• Female quick connector ends for inlet and outlet assembly service
• Black and metallic gray finish
• Part number: 625-168XD

Detailed Description

This engine oil cooler hose assembly is built to address a known failure point in original GM oil cooler lines, where heat and pressure can make the rubber sections brittle and lead to leaks or hose bursts. Dorman 625-168XD uses PTFE tubing wrapped in braided stainless steel to improve durability and maintain flexibility across a wide temperature range. It is engineered for the inlet and outlet assembly position and is shaped to match the factory routing on the listed vehicles. This part cross-references GM OE numbers 15203890 and 15765439 for the same application. Part number 625-168XD is a direct-fit repair choice for owners servicing Chevrolet Silverado, GMC Sierra, and Cadillac Escalade oil cooler line failures.

Common Problems This Part Helps Address

• Engine oil leaks from cracked or brittle cooler hoses
• Oil line bursts caused by heat and pressure cycling
• Loss of oil pressure from damaged cooler hose assemblies
• Premature wear in factory-style rubber oil cooler lines
• Service issues on inlet and outlet oil cooler line routing

Installation Notes and Tips

Verify vehicle year, make, model, and oil cooler line routing before installation. This assembly uses female quick connector ends and includes a mounting bracket, so confirm the original connection style and bracket location match the vehicle. No clamps are listed as included. Inspect the rigid line sections and sealing surfaces for damage before installing the new hose assembly. Fits 2002-2005 Cadillac Escalade, inlet and outlet assembly; Fits 2003-2005 Cadillac Escalade ESV, inlet and outlet assembly; Fits 2002-2005 Cadillac Escalade EXT, inlet and outlet assembly; Fits 2005 Chevrolet Avalanche 1500, inlet and outlet assembly; Fits 2003-2005 Chevrolet Silverado 1500, inlet and outlet assembly; Fits 2005 Chevrolet Silverado 1500 HD, inlet and outlet assembly; Fits 2001-2003 Chevrolet Silverado 1500 HD, inlet and outlet assembly; Fits 1999-2005 Chevrolet Silverado 2500, inlet and outlet assembly; Fits 2001-2005 Chevrolet Silverado 2500 HD, inlet and outlet assembly; Fits 2001-2005 Chevrolet Silverado 3500, inlet and outlet assembly; Fits 2005 Chevrolet Suburban 1500, inlet and outlet assembly; Fits 2000-2005 Chevrolet Suburban 2500, inlet and outlet assembly; Fits 2005 Chevrolet Tahoe, inlet and outlet assembly; Fits 2001-2005 GMC Sierra 1500, inlet and outlet assembly; Fits 2005 GMC Sierra 1500 HD, inlet and outlet assembly; Fits 2001-2003 GMC Sierra 1500 HD, inlet and outlet assembly; Fits 2001-2005 GMC Sierra 2500 HD, inlet and outlet assembly; Fits 2001-2005 GMC Sierra 3500, inlet and outlet assembly; Fits 2001-2005 GMC Yukon, inlet and outlet assembly; Fits 2001-2005 GMC Yukon XL 1500, inlet and outlet assembly; Fits 2000-2005 GMC Yukon XL 2500, inlet and outlet assembly; Fits 1999-2004 GMC Sierra 2500, inlet and outlet assembly.

Quality Assurance

Dorman OE FIX parts are engineered as upgraded replacements for common OE failure points, using application-specific fitment and more durable materials than the original rubber-line design.