Dorman 667-634 Turbocharger Oil Line - Inlet

Dorman 667-634 Turbocharger Oil Line

Dorman 667-634 is a standard replacement turbocharger oil line built to match the fit and function of the original inlet line on specified Audi and Volkswagen applications. Made from aluminum with a metallic gray finish, it is designed for direct replacement service where a specific-fit turbo oil feed line is required.

Key Features

• Direct-fit turbocharger oil line for the inlet side
• Aluminum construction for OE-style replacement service
• One-piece configuration for a clean, direct routing path
• Includes gasket or seal for installation sealing
• Male inlet and outlet fittings
• Specific fit application, not universal
• Standard replacement grade

Detailed Description

This Dorman turbocharger oil line, part number 667-634, is engineered to replace the original turbo oil feed line on select vehicles without changing the factory layout. It is a direct-fit solution for turbocharger inlet service on models such as the Audi A3, Audi S3, Audi TT Quattro, Volkswagen Golf GTI, and Volkswagen Atlas, helping maintain proper oil delivery to the turbocharger assembly. This part cross-references Gates TL163 for the same application.

Built from aluminum and supplied in a metallic gray finish, Dorman 667-634 is designed for reliable performance in a high-heat, high-pressure engine environment. The one-piece design and included seal support a straightforward replacement of the original line on the specified Audi and Volkswagen fitments.

What It Helps Address

• Oil seepage at the turbocharger inlet line
• Cracked, corroded, or damaged factory oil feed tubing
• Restricted turbo oil supply caused by a failing line
• Maintenance needs on turbocharged Audi and Volkswagen engines
• Replacement of a worn OE-style inlet oil line

Installation Notes and Tips

• Verify the vehicle’s turbocharger inlet configuration before ordering.
• Confirm fitment by year, make, model, and position: inlet.
• Inspect mating surfaces and replace any damaged sealing surfaces during service.
• Follow factory torque and routing specifications for the turbo oil line.
• Check for leaks after installation and engine start-up.

Quality Assurance

Dorman designs this part to match the original part’s fit and function on the listed vehicles. Part number 667-634 is a standard replacement component intended for direct service on the specified Audi and Volkswagen applications.