Dorman 904-139 Turbocharger Oil Line - Pressure

Dorman 904-139 Turbocharger Oil Line

Dorman 904-139 is a direct replacement turbocharger oil line built for specific GM diesel applications. It matches the original fit and function on supported vehicles and uses steel construction with thermal wrapping for dependable oil delivery at the turbocharger pressure circuit.

Key Features

• Direct replacement turbocharger oil line for specified vehicles
• Steel construction with a natural finish
• One-piece configuration for a factory-style routing profile
• Banjo bolt inlet and outlet fittings with M12 x 1.5 thread diameter
• Includes gasket or seal for the connection points
• Standard replacement grade for OE-style service work
• Thermal wrapping helps protect the line in high-heat turbocharger areas

Detailed Description

This Dorman turbocharger oil line, part number 904-139, is engineered to replace the original pressure-side oil line on select Chevrolet and GMC trucks and vans. It is built from steel and configured as a one-piece line with male banjo bolt fittings at both ends, making it a practical OE-style solution for turbocharger oil supply service. The included copper washer gaskets and seal support proper connection at the banjo bolt interfaces.

Compatible With 2010-2016 Chevrolet Express 2500, Pressure; 2010-2016 Chevrolet Express 3500, Pressure; 2011-2016 Chevrolet Silverado 2500 HD, Pressure; 2011-2016 Chevrolet Silverado 3500 HD, Pressure; 2010-2016 GMC Savana 2500, Pressure; 2010-2016 GMC Savana 3500, Pressure; 2011-2016 GMC Sierra 2500 HD, Pressure; and 2011-2016 GMC Sierra 3500 HD, Pressure. This part number 904-139 is also cross-referenced to 98062840 for the same application.

Common Repair Uses

• Replacing a leaking or damaged turbocharger oil feed line
• Restoring oil supply to the turbocharger pressure circuit
• Addressing oil seepage at banjo bolt connection points
• Repairing heat-damaged or corroded steel oil line routing
• Correcting turbo lubrication issues caused by a restricted or failed line

Installation Notes and Tips

Verify the vehicle’s turbocharger oil line routing, fitting style, and M12 x 1.5 banjo connections before installation. Clean the sealing surfaces thoroughly and replace any worn washers or seals at the connection points. Because this line is positioned in a high-heat area, confirm that the thermal wrapping is routed away from sharp edges and moving components.

Quality Assurance

Dorman designs this turbocharger oil line to match the fit and function of the original part on specified vehicles. It is made from quality materials for reliable performance in standard replacement service.