Dorman 625-120 Engine Oil Cooler Hose Assembly - Inlet (Passenger Side)

Engine Oil Cooler Hose Assembly for OE-Style Repair

Dorman 625-120 is an engine oil cooler hose assembly built to match the fit and function of the original equipment line. It restores proper oil circulation between the oil cooler and engine on select Chevrolet and GMC vans, including Chevrolet G10, G20, and G30 and GMC G1500, G2500, and G3500 applications.

Made from rubber and metal with male threads on one end and female threads on the other, this oil cooler line is shaped for the inlet (passenger side) position. The 3.5-inch length and natural finish reflect the original-style layout needed for a direct repair on the correct vehicle application.

Key Features

• OE-style engine oil cooler hose assembly for repair and restoration
• Rubber/metal construction for the original routing and connection style
• Male-thread and female-thread ends for the specified inlet connection
• 3.5-inch length for the listed application
• Natural finish
• Cross-reference part numbers: 12472223 and A64000

Detailed Description

This Dorman 625-120 oil cooler line is engineered for direct replacement where the original engine oil cooler hose has failed, leaked, or restricted flow. It is designed to restore oil circulation between the oil cooler and engine, helping maintain proper lubrication in the cooling circuit. For buyers searching for a 1985-1991 Chevrolet G20 engine oil cooler hose assembly, a 1987-1991 Chevrolet G10 inlet passenger side oil cooler line, or a 1985-1991 GMC G3500 oil cooler hose replacement, this part matches the listed OE application.

Compatible With 1987-1991 Chevrolet G10, inlet (passenger side). Compatible With 1985-1991 Chevrolet G20, inlet (passenger side). Compatible With 1985-1991 Chevrolet G30, inlet (passenger side). Compatible With 1987-1991 GMC G1500, inlet (passenger side). Compatible With 1985-1991 GMC G2500, inlet (passenger side). Compatible With 1985-1991 GMC G3500, inlet (passenger side).

What It Helps Fix

• Oil cooler line leaks at the hose assembly
• Restricted oil flow between the cooler and engine
• Damaged or deteriorated original hose construction
• Incorrect fitment from non-OE-style replacement lines
• Passenger-side inlet connection issues on listed vans

Installation Notes and Tips

Verify the inlet (passenger side) location, thread type, and overall routing before installation. Compare the original line to the replacement to confirm length, end style, and connection orientation. Clean the mating surfaces and inspect adjacent oil cooler components for wear or contamination before completing the repair.

Quality Assurance

Dorman designs this replacement hose assembly to match the original equipment component’s fit and function for dependable service on the listed Chevrolet and GMC applications.