Gates TL172 Turbocharger Oil Return Line

Turbocharger Oil Drain Line for OE Fitment

The Gates TL172 turbocharger oil drain line is built for oil return service in turbocharged engines where leak control and heat resistance matter. It uses stainless steel construction and OE exact grade fitment to match the original routing and connection style on supported Audi and Volkswagen applications.

For drivers searching for a turbocharger oil return line for Audi A4, Audi A4 Quattro, or Volkswagen Passat models, this Gates Turbocharger Oil Line is made to restore proper oil drainage from the turbocharger assembly. The TL172 part number is a direct reference for the correct OE-style replacement.

Key Features

• Stainless steel construction for durability in high-heat turbocharger environments
• OE Exact grade type for factory-style fit and function
• Bolt-on inlet and outlet fittings for direct connection points
• Turbocharger oil drain line design for oil return from the turbocharger
• Includes turbocharger oil drain line and 2 gaskets
• Cross-references Dorman OE Solutions 625-804 for the same application

Product Details

Gates Turbocharger Oil Line TL172 is engineered for oil conveyance to and from the turbocharger, with a focus on leak resistance and temperature durability. The stainless steel body helps it stand up to the demanding conditions found around the turbo system, while the OE Exact specification supports factory-style replacement on 2001-2006 Audi A4, 2001-2005 Audi A4 Quattro, and 2000-2005 Volkswagen Passat models. If you need a turbocharger oil return line for Audi A4 Quattro or a replacement turbo oil drain line for Volkswagen Passat, TL172 is the direct-fit service part to compare against the original equipment design.

Common Problems This Part Addresses

• Oil seepage at the turbocharger drain connection
• Cracked or corroded original oil return line
• Restricted oil drainage from the turbocharger housing
• Heat-related deterioration of the factory line
• Fitment issues caused by non-OE replacement routing

Installation Notes and Tips

Verify the vehicle year, make, and model against the listed fitment before installation. Inspect the turbocharger mounting surfaces and sealing points for residue or damage, and replace worn gaskets during service to help maintain a clean seal. Confirm bolt-on connection alignment and routing before tightening fasteners.

Quality Assurance

Gates Turbocharger Oil Supply and Drain Lines are built for oil transfer in turbocharger systems and are designed to handle the elevated temperatures and sealing demands of this application. TL172 is an OE Exact replacement part for supported Audi and Volkswagen vehicles.

• Fits 2001-2006 Audi A4, N/A, Turbocharger Oil Line
• Fits 2001-2005 Audi A4 Quattro, N/A, Turbocharger Oil Line
• Fits 2000-2005 Volkswagen Passat, N/A, Turbocharger Oil Line