Dorman 625-148 Engine Oil Cooler Hose Assembly - Outlet (Passenger Side)

Engine Oil Cooler Hose Assembly for OE-Style Repair

This Dorman engine oil cooler hose assembly restores the oil flow path between the oil cooler and engine on select Chevrolet and GMC trucks and SUVs. Built with rubber and metal construction, it matches the fit and function of the original line for a direct repair on the passenger-side outlet.

Compatible with 1997-2000 Chevrolet C2500, 1998-2000 Chevrolet C3500, 1997-2000 Chevrolet K2500, 1997-2000 Chevrolet K3500, 1997-2000 GMC C2500, 1998-2000 GMC C3500, 1997-2000 GMC K2500, 1997-2000 GMC K3500, and additional 1997-1999 Chevrolet and GMC SUV applications. Part number 625-148 is also a direct reference for shoppers searching by OE-style replacement number.

• Rubber/metal construction for oil-carrying durability
• 63-inch length for the specified routing
• Natural finish
• Male threads on one end and quick disconnect on the other
• Passenger-side outlet configuration
• Matches the original equipment fit and function for proper oil circulation

Detailed Product Overview

Dorman 625-148 is an engine oil cooler hose assembly engineered to replace the original line between the oil cooler and engine. It is built to restore proper circulation in applications where the passenger-side outlet hose uses a 27 mm across-flats connecting nut. This part cross-references Sunsong 5801265 for the same application.

Search terms commonly used for this part include engine oil cooler hose assembly for Chevrolet C2500, GMC K2500 oil cooler line replacement, and passenger-side outlet oil cooler hose for Chevrolet Tahoe and GMC Yukon. The part number 625-148 is frequently used when replacing a leaking or damaged oil cooler line on these platforms.

What This Part Helps Address

• Oil seepage at the cooler line connection
• Cracked or deteriorated hose material
• Corrosion or damage at the metal line section
• Restricted oil flow between the cooler and engine
• Failed original hose assembly on passenger-side outlet applications

Installation Notes and Tips

Verify the vehicle’s year, make, model, and passenger-side outlet configuration before ordering. Confirm the 27 mm across-flats connecting nut detail where listed in the fitment notes, and compare the end styles to the original hose assembly before installation. Clean the mating surfaces and inspect adjacent oil cooler fittings for wear or contamination during replacement.

Quality Assurance

This Dorman replacement is built to match original equipment fit and function for reliable repair and restoration of proper oil circulation. It is intended as an OE-style service part for select Chevrolet and GMC applications.