Dorman 625-340 Engine Oil Cooler Hose Assembly - Inlet and Outlet Assembly

Engine Oil Cooler Hose Assembly for GM Trucks and SUVs

This Dorman engine oil cooler hose assembly is built to match the fit and function of the original equipment line for restoring oil circulation between the oil cooler and engine. It is a direct replacement for select Chevrolet, GMC, and Cadillac applications, including Silverado, Sierra, Tahoe, Yukon, and Escalade models.

• Direct replacement engine oil cooler hose assembly for OE-style fitment
• Rubber/metal construction for strength and flexibility in engine bay routing
• 56-inch length with block connector and quick disconnect ends
• Operates from -40°F to 329°F for demanding underhood conditions
• Natural finish and formed routing for select inlet and outlet assembly applications
• Cross-reference: 15809049, SK625340

Detailed Product Information

Dorman 625-340 is an engine oil cooler hose assembly designed for vehicles that use an inlet and outlet assembly connection between the oil cooler and engine. The rubber/metal construction helps maintain proper routing and connection integrity, while the block connector and quick disconnect ends support OE-style service replacement. This part number 625-340 is a practical choice for restoring oil flow on 2005-2007 Chevrolet Silverado and Tahoe applications, as well as GMC Sierra, Yukon, and Cadillac Escalade models.

Compatible With 2005-2007 Chevrolet Silverado, 2005-2007 GMC Sierra, and 2005-2007 Cadillac Escalade applications where the original oil cooler line uses the listed connector style and routing. The Dorman 625-340 oil cooler hose assembly is also listed for Chevrolet Avalanche, Suburban, and GMC Yukon variants in the same model years.

What This Part Helps Address

• Oil cooler line leakage at worn hose or connector points
• Restricted oil circulation between the engine and oil cooler
• Cracked, hardened, or heat-damaged original hose assemblies
• Failed quick disconnect or block connector interfaces
• Replacement needs after corrosion or age-related line deterioration

Installation Notes and Tips

Verify the vehicle’s original line style, connector type, and routing before installation. This assembly is listed for inlet and outlet assembly positions, so confirm the application matches the OE configuration on your Chevrolet Silverado, GMC Sierra, or Cadillac Escalade. Inspect mating surfaces and surrounding oil cooler components for wear or contamination before installing the new line.

Quality Assurance

Dorman designs this oil cooler hose assembly to match the original equipment component’s fit and function for reliable repair and restoration of proper oil circulation. The part is built for the temperature range required in engine bay service, from -40°F to 329°F.