Pioneer Cables 622778 Automatic Transmission Mount - Rear Left

Automatic Transmission Mount for GM W-Body Applications

Pioneer Cables 622778 is an automatic transmission mount built for rear left placement on select Buick, Oldsmobile, and Pontiac vehicles. It is a direct replacement option for drivers needing a stable transmission support with application-specific fitment.

• Rear left automatic transmission mount for select GM applications
• Sure-Fit System application testing for vehicle-specific installation fit
• High-grade metal housing with corrosion-resistant coating
• Blended rubber compound matched to the application for vibration absorption
• Compatible with 1994-1999 Buick LeSabre, rear left
• Compatible with 1994-1999 Pontiac Bonneville, rear left
• Compatible with 1994-1996 Buick Park Avenue, rear left

Fitment Details

This part cross-references Anchor 2778 for the same application.

• Fits 1994-1999 Buick LeSabre, rear left.
• Fits 1994-1996 Buick Park Avenue, rear left.
• Fits 1994-1999 Oldsmobile 88, rear left.
• Fits 1994-1996 Oldsmobile 98, rear left.
• Fits 1996-1999 Oldsmobile LSS, rear left.
• Fits 1997-1998 Oldsmobile Regency, rear left.
• Fits 1994-1999 Pontiac Bonneville, rear left.

What This Mount Helps Address

• Excess drivetrain movement under load
• Vibration transferred into the cabin
• Noise from a worn or collapsed transmission mount
• Misalignment at the transmission support point
• Replacement needs on a rear left automatic transmission mount for Buick LeSabre, Pontiac Bonneville, and related GM models

Installation Notes and Tips

Verify rear left position and match the vehicle year, make, and model before installation. Inspect surrounding mount brackets and contact points for wear or damage, and confirm the replacement mount seats correctly in the original location. For 1994-1999 Buick LeSabre, 1994-1999 Pontiac Bonneville, and other listed applications, use the vehicle-specific fitment data to confirm compatibility.

Quality Assurance

Pioneer Mounts use the Sure-Fit System, which relies on vehicle-specific application testing to improve installation fit. The mount housing is built from durable metal with corrosion resistance, and the bonded rubber compound is selected for the specific application to help absorb vibration.