Pioneer Cables 622556 Automatic Transmission Mount - Front or Rear Right

Automatic Transmission Mount for Select GM Applications

Pioneer Cables 622556 is an automatic transmission mount built for specific rear right and front mounting locations on select Buick, Oldsmobile, Pontiac, and Cadillac vehicles. It is a direct replacement option for drivers needing a transmission mount for 1985-1991 GM full-size applications, including Buick LeSabre and Oldsmobile 98 fitments.

Key Features

• Automatic transmission mount for transmission hard part replacement
• Sure-Fit System application testing for vehicle-specific installation accuracy
• 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
• Available for rear right and front mounting positions
• Part number 622556 for catalog and fitment verification

Detailed Description

Pioneer Cables 622556 transmission mount is engineered as a replacement mount for select GM rear-wheel-drive platforms. The mount uses a vehicle-specific housing and bonded rubber construction to help isolate drivetrain movement and reduce vibration transfer between the transmission and chassis. This part number 622556 is listed for applications such as 1986-1991 Buick LeSabre, rear right; 1986-1991 Oldsmobile Delta 88, rear right; 1987-1991 Pontiac Bonneville, rear right; and 1988-1990 Cadillac DeVille and Fleetwood, rear right or front depending on the application.

For buyers searching for an automatic transmission mount for 1985-1990 Oldsmobile 98 rear right or a replacement transmission mount for 1988-1990 Cadillac Fleetwood front, this part provides a fitment-specific solution. Pioneer Cables 622556 is also listed for 1985 Oldsmobile 98 rear right, 2nd design.

What It Helps Address

• Excess drivetrain vibration felt through the body or floor
• Worn or collapsed transmission mount rubber
• Mount movement caused by age, heat, and road exposure
• Noise from drivetrain contact or shifting under load
• Fitment issues when replacing a damaged OE-style transmission mount

Installation Notes and Tips

Verify the mounting position before ordering, since this part is listed for rear right and front locations depending on vehicle application. Confirm the vehicle year, make, model, and notes such as solid 2 stud mounting or solid 2nd design before installation. Inspect surrounding drivetrain mounts and brackets for wear so the new mount is installed against sound supporting components.

Quality Assurance

Pioneer Mounts use the Sure-Fit System, which relies on application testing with vehicle-specific fixtures to support accurate fitment. The mount housing is built from corrosion-resistant metal or cast aluminum, and the bonded rubber compound is selected for the specific application to support vibration control.