Dorman 625-522 Engine Oil Cooler Hose Assembly - Inlet and Outlet Assembly

Engine Oil Cooler Hose Assembly for GM Vans

This Dorman engine oil cooler hose assembly restores the oil circulation path between the oil cooler and engine on select Chevrolet Express and GMC Savana vans. It is built to match the original equipment fit and function for a direct repair on GM oil cooler line applications.

• Dorman Part Number: 625-522
• Engine oil cooler hose assembly for oil cooler line replacement
• Metal and rubber construction
• 48-inch length
• Block connector end and male quick disconnect end
• Inside diameter: 0.375 in.; hose outside diameter: 0.5 in.
• Operating temperature range: -40°F to 329°F
• Natural finish

Fitment and Application

Compatible with 2008-2015 Chevrolet Express 2500 and Chevrolet Express 3500, and 2008-2015 GMC Savana 2500 and GMC Savana 3500. It also fits 2016-2017 Chevrolet Express 2500 and Chevrolet Express 3500, plus 2016-2017 GMC Savana 2500 and GMC Savana 3500 with inlet and outlet assembly applications. Dorman 625-522 is also listed for 2018-2019 Chevrolet Express 2500, Chevrolet Express 3500, GMC Savana 2500, and GMC Savana 3500.

Key Features

• Matches OE fit and function for direct replacement
• Supports proper oil flow between the oil cooler and engine
• Built with metal and rubber sections for the specified routing
• Uses a block connector on one end and a male quick disconnect on the other
• Cross-reference: 20832452

What It Helps Address

• Oil cooler line leakage
• Cracked or deteriorated hose sections
• Improper oil circulation between the cooler and engine
• Damaged connector ends or disconnected line fittings
• Fitment issues during GM oil cooler hose replacement

Installation Notes and Tips

Verify the vehicle year, model, and oil cooler line configuration before installation. Confirm the block connector and male quick disconnect ends match the original routing on the vehicle, and inspect mating surfaces and seals before assembly. This part number is listed for Chevrolet Express and GMC Savana vans across multiple model years, including 2008-2019 applications.

Quality Assurance

Dorman manufactures this hose assembly as an OE-style replacement engineered to match the original component’s fit and function for reliable repair of the oil cooler circuit.