Dorman 667-106 Turbocharger Boost Solenoid

Turbocharger Boost Solenoid for Audi and Volkswagen

Dorman 667-106 is a turbocharger boost solenoid built to match the fit and function of the original unit on specified applications. It is engineered for reliable performance and durability in turbocharged Audi and Volkswagen vehicles, including Audi TT, Audi A4 Quattro, and Volkswagen Jetta applications.

Key Features

• Direct-fit turbocharger boost solenoid for specified Audi and Volkswagen models
• Matches original fit and function for OE-style replacement
• Three hose connectors with 0.375 in. inside diameter
• Blade terminal design with one terminal and male connector gender
• Mounting bracket included for secure installation
• Black plastic housing for underhood use
• Part number 667-106 for easy identification

Product Details

This Dorman boost solenoid is designed for turbocharger control systems that rely on precise vacuum and pressure routing. It uses three 3/8 in. hose connections, a blade terminal, and a bracketed mounting design to support a direct replacement on applications such as 1999-2006 Audi TT, 2000-2005 Volkswagen Jetta, and 2000-2004 Audi A6 Quattro. The 667-106 replacement helps restore proper boost control behavior where the original solenoid has failed or degraded.

This part cross-references Audi/VW OE number 078906283A for the same application.

Common Problems This Part Can Address

• Erratic turbo boost control
• Boost pressure that is too low or too high
• Check engine light related to boost control faults
• Vacuum routing issues caused by a worn solenoid
• Loss of turbo response on turbocharged Audi and Volkswagen models

Installation Notes and Tips

Verify hose routing before removal and match each 0.375 in. hose connection to the correct port location. Confirm the electrical connector style, bracket position, and OE part number before installation. This solenoid does not include a wiring harness, so reuse the existing vehicle harness connection where applicable. Fitment includes 2011-2012 Volkswagen Clasico, 1998-2003 Audi A3, 2000-2001 Volkswagen Golf, and other listed applications; check the vehicle-specific notes, including models that require an accelerator electronic module.

Quality Assurance

Dorman designs this turbocharger boost solenoid to match original equipment fit and function on specified vehicles and to deliver dependable service life in demanding engine bay conditions. Part number 667-106 is built as a direct replacement for the listed Audi and Volkswagen applications.