Pioneer Cables 678999 Automatic Transmission Mount - Left or Right

Automatic Transmission Mount for Audi and Volkswagen

Pioneer Cables 678999 is an automatic transmission mount replacement for select Audi and Volkswagen applications. It is built for direct-fit service on the left or right side, with fitment covering Audi A4, A4 Quattro, A6, A6 Quattro, S4, and Volkswagen Passat models across the listed years.

Key Features

• Automatic transmission mount for select Audi and Volkswagen vehicles
• Fits left and right positions where listed in the application data
• High-grade metal housing with corrosion-resistant coating or pure aluminum construction, depending on application
• Bonded rubber compound matched to the specific vehicle application for vibration absorption
• Sure-Fit System application testing for vehicle-specific installation checks
• Cross-reference: Anchor 8999

Detailed Description

Pioneer Cables 678999 transmission mount is a replacement part for drivers servicing Audi A4, Audi A4 Quattro, Audi A6, Audi A6 Quattro, Audi S4, and Volkswagen Passat models. The mount uses a vehicle-specific housing and bonded rubber construction to help isolate drivetrain movement and reduce vibration transfer through the chassis. For applications that require it, the design also accounts for seamless hydraulic fill and electronic control. This part number, 678999, is intended for direct replacement use on the listed left and right positions.

What This Part Helps Address

• Excessive drivetrain vibration felt in the cabin
• Movement or shifting of the transmission under load
• Noisy or worn transmission mount support points
• Harshness during acceleration, deceleration, or gear changes
• Replacement needs on Audi A4, A4 Quattro, A6, A6 Quattro, S4, and Volkswagen Passat applications

Installation Notes and Tips

Verify the vehicle year, model, engine code notes, and mount position before installation. Confirm whether the application is left or right, and check special notes such as EngineVIN: B or Mexican Car where listed. Compare the original mount to Pioneer Cables 678999 before removal to confirm correct fitment on your Audi or Volkswagen.

Quality Assurance

Pioneer Mounts use the Sure-Fit System, which involves application testing on vehicle-specific fixtures to support a hassle-free installation. The housing is manufactured from durable metal or aluminum, and the rubber element is bonded for application-specific vibration control. This part cross-references Anchor 8999 for the same application.