Pioneer Cables 605402 Automatic Transmission Mount

Automatic Transmission Mount for GM Applications

Pioneer Cables 605402 is an automatic transmission mount built for specific GM passenger car applications. It is engineered to help secure the transmission while isolating drivetrain vibration for smoother operation in daily driving.

Compatible With 2005-2009 Buick LaCrosse, 2006-2009 Chevrolet Impala, 2006-2007 Chevrolet Monte Carlo, and 2005-2008 Pontiac Grand Prix applications, this mount follows the vehicle-specific fitment approach used by Pioneer Mounts. Part number 605402 is a direct replacement option for drivers servicing worn transmission mounting hardware.

Key Features

• Automatic transmission mount for selected Buick, Chevrolet, and Pontiac vehicles
• Vehicle-specific Sure-Fit System application testing for easier installation alignment
• High-grade metal housing with corrosion-resistant coating or pure aluminum construction, depending on application
• Bonded rubber compound formulated for the specific mount application
• Helps absorb drivetrain vibration and support transmission positioning
• Cross-reference: Anchor 3187

Product Details

Pioneer Cables 605402 is a replacement automatic transmission mount designed for GM platforms including the Buick LaCrosse, Chevrolet Impala, Chevrolet Monte Carlo, and Pontiac Grand Prix. The mount uses a durable housing and application-specific rubber bonding to help control movement between the transmission and chassis. For buyers searching for a 2006 Chevrolet Impala automatic transmission mount or a 2005 Pontiac Grand Prix transmission mount, this part number 605402 provides a direct-fit service solution.

Common Issues This Mount Can Address

• Excessive drivetrain vibration felt through the cabin
• Clunking or shifting movement from a worn transmission mount
• Transmission misalignment caused by deteriorated rubber or housing wear
• Noise during acceleration, deceleration, or gear changes
• Mount failure from corrosion or age-related material breakdown

Installation Notes

Verify year, make, and model before installation. Compare the original mount shape, bolt pattern, and mounting location to the replacement part number 605402. Because fitment is application-specific, confirm compatibility with your exact Buick LaCrosse, Chevrolet Impala, Chevrolet Monte Carlo, or Pontiac Grand Prix configuration before service.

Quality Assurance

Pioneer Mounts uses the Sure-Fit System to test application fit on vehicle-specific fixtures and builds each mount with materials selected for durability and vibration control. The design focuses on consistent fit and dependable replacement performance for the listed GM applications.