HomeAir and Fuel Delivery > Turbocharger, Supercharger and Ram AirGates TL173 Turbocharger Oil Supply Line
Part #: TL173

Gates TL173 Turbocharger Oil Supply Line

Turbocharger Oil Line
18 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Turbocharger Oil Line
Fitment: Audi and Volkswagen, A4, A4 Quattro, and Passat
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Turbocharger Oil Feed Line for Audi and Volkswagen

The Gates TL173 turbocharger oil feed line routes oil to the turbocharger with the correct OE-style fit and connection points. Built from stainless steel, it is made for the heat and pressure found in turbo oil circuits on select Audi A4, Audi A4 Quattro, and Volkswagen Passat applications.

Gates Turbocharger Oil Line products focus on oil conveyance to and from the turbocharger, with a robust construction that helps maintain a secure seal in demanding engine bay conditions. This TL173 line is an OE Exact replacement for direct-fit service on the listed vehicles.

Key Features

  • Stainless steel construction for turbocharger oil service
  • Turbocharger oil feed line with OE Exact comparison rating
  • Banjo inlet fitting and flare outlet fitting
  • Centerline length: 42.75 in. / 1086 mm
  • Direct-fit replacement for Gates TL173 applications
  • Cross-reference part numbers include Dorman OE Solutions 625-811 and Genuine 06B145771P

Detailed Description

The Gates TL173 is a turbocharger oil supply line engineered for oil delivery to the turbocharger on select 2000-2006 import vehicles. It uses a banjo inlet and flare outlet to match the original connection style, and its stainless steel construction supports reliable oil transfer in high-temperature turbocharger systems. This part number, TL173, is commonly searched for Audi A4 turbocharger oil line and Volkswagen Passat turbo oil feed line replacement needs.

Compatible With 2001-2006 Audi A4, N/A; 2001-2005 Audi A4 Quattro, N/A; and 2000-2005 Volkswagen Passat, N/A. The Gates TL173 is a practical OE-style solution when replacing a worn, leaking, or heat-damaged turbo oil feed line on these vehicles.

What This Part Helps Address

  • Oil leaks at the turbocharger feed line
  • Restricted oil delivery to the turbocharger
  • Heat-related deterioration of the original oil line
  • Damaged or corroded banjo and flare connections
  • Service replacement for OE-style turbo oil line repairs

Installation Notes and Tips

Verify the banjo inlet and flare outlet configuration before installation, and confirm the line length matches the original routing on the vehicle. Inspect mating surfaces, seals, and adjacent turbocharger oil circuit components for wear or contamination before reassembly. This part is listed for 2001-2006 Audi A4, 2001-2005 Audi A4 Quattro, and 2000-2005 Volkswagen Passat turbocharger oil line applications.

Quality Assurance

Gates manufactures this turbocharger oil supply line as an OE Exact replacement part for the specified applications. The stainless steel construction and application-specific fittings support consistent fitment on the listed Audi A4, Audi A4 Quattro, and Volkswagen Passat vehicles.

BrandGates
Part NumberTL173
PositionTurbocharger Oil Line
MaterialStainless steel
Centerline Length1086
Centerline Length42.75
Inlet Fitting TypeBanjo
Outlet Fitting TypeFlare
Centerline Length (in)42.75
Centerline Length (mm)1086
ContentsTurbocharger oil feed line
DescriptionTurbocharger oil feed line
Inlet Fitting TypeBanjo
OE Comparison RatingOe exact
Outlet Fitting TypeFlare
TypeTurbocharger oil feed line

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2006AudiA41.8LL4GASN/ATurbocharger Oil Line
2005AudiA41.8LL4GASN/ATurbocharger Oil Line
2005AudiA4 Quattro1.8LL4GASN/ATurbocharger Oil Line
2005VolkswagenPassat1.8LL4GASN/ATurbocharger Oil Line
2004AudiA41.8LL4GASN/ATurbocharger Oil Line
2004AudiA4 Quattro1.8LL4GASN/ATurbocharger Oil Line
2004VolkswagenPassat1.8LL4GASN/ATurbocharger Oil Line
2003AudiA41.8LL4GASN/ATurbocharger Oil Line
2003AudiA4 Quattro1.8LL4GASN/ATurbocharger Oil Line
2003VolkswagenPassat1.8LL4GASN/ATurbocharger Oil Line
2002AudiA41.8LL4GASN/ATurbocharger Oil Line
2002AudiA4 Quattro1.8LL4GASN/ATurbocharger Oil Line
2002VolkswagenPassat1.8LL4GASN/ATurbocharger Oil Line
2002VolkswagenPassat4.0LW8GASN/ATurbocharger Oil Line
2001AudiA41.8LL4GASN/ATurbocharger Oil Line
2001AudiA4 Quattro1.8LL4GASN/ATurbocharger Oil Line
2001VolkswagenPassat1.8LL4GASN/ATurbocharger Oil Line
2000VolkswagenPassat1.8LL4GASN/ATurbocharger Oil Line

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

06B145771F06B145771N06B145771P625-811TL173

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.