Gates TL147 Turbocharger Oil Return Line

Turbocharger Oil Line for GM Diesel Applications

Gates TL147 is a steel turbocharger oil feed line built for oil conveyance to and from the turbocharger. It is an OE Exact replacement for select Chevrolet Express, Silverado HD, GMC Savana, and Sierra HD diesel applications, with a 24.25 in. (616 mm) centerline length for proper routing.

The Gates Turbocharger Oil Line line focuses on direct-fit oil supply and drain components for turbo systems that operate under high heat and pressure. This TL147 line is engineered to match OE-style fitment and maintain secure oil flow in demanding turbocharger service.

• Steel construction for durability in turbocharger oil routing
• 24.25 in. centerline length, also listed as 616 mm
• OE Exact comparison rating for direct replacement fit
• Designed for turbocharger oil feed and drain system service
• Fits select 2010-2016 Chevrolet Express 2500 and Express 3500
• Fits select 2011-2016 Chevrolet Silverado 2500 HD and Silverado 3500 HD
• Fits select 2010-2016 GMC Savana 2500 and Savana 3500
• Fits select 2011-2016 GMC Sierra 2500 HD and Sierra 3500 HD

Detailed Product Overview

Gates TL147 is a turbocharger oil feed line designed for vehicles that rely on precise oil delivery to the turbo system. The steel line construction is suited to the elevated temperatures and continuous oil flow found in turbocharger applications. This part cross-references Dorman - OE Solutions 904-139 for the same application. Common search terms for this part include turbocharger oil line for Chevrolet Silverado 2500 HD, GMC Sierra 3500 HD turbo oil feed line, and 2010-2016 Chevrolet Express turbocharger oil line replacement.

Included contents are listed as a turbocharger oil feed line, 2 banjo bolts, 1 metal washer, and 1 copper washer. The part number TL147 is also used in interchange listings for select OE-style replacement needs.

Common Problems This Part Addresses

• Oil leakage at the turbocharger feed line
• Restricted or inconsistent oil delivery to the turbocharger
• Heat-related deterioration of the original oil line
• Fitment issues from a damaged or corroded OE line
• Turbo system service needs on GM diesel trucks and vans

Installation Notes and Tips

Verify the vehicle year, make, model, and turbocharger line routing before installation. Clean the mating surfaces and inspect the banjo bolt locations, washers, and adjacent oil passages for wear or contamination. Proper torque and leak checking after installation are important for maintaining secure oil flow. Confirm compatibility with the specific application listed for your Chevrolet Express, Silverado HD, GMC Savana, or Sierra HD before ordering TL147.

Quality Assurance

Gates designs Turbocharger Oil Supply and Drain Lines for oil conveyance in turbocharger systems, with construction intended to handle high-temperature operating conditions and reduce leak risk. OE Exact comparison rating supports direct replacement selection for the listed applications.