MasterPro A5439 Automatic Transmission Mount

Automatic Transmission Mount for OE Replacement

MasterPro A5439 is a standard replacement automatic transmission mount built with a steel mount body and rubber bushing for OE-style support. It is an OEM replacement part that meets or exceeds original equipment manufacturer specifications for the listed applications.

Compatible with 2006-2011 Buick Lucerne and 2006-2011 Cadillac DTS applications, this transmission mount is built for direct-fit service on vehicles with manual transmissions as listed in the fitment data. The MasterPro A5439 is a practical choice when replacing a worn mount that can affect drivetrain stability and shift feel.

• Steel mount construction with black rubber bushing
• Solid cushion design for standard replacement service
• OEM replacement mount type
• Meets or exceeds original equipment manufacturer specifications
• Mounting hole quantity: 2
• Stud quantity: 2

Fitment Details

• Fits 2006-2011 Buick Lucerne, N/A
• Fits 2006-2011 Cadillac DTS, N/A

This part cross-references Anchor 3153 and Westar EM-3153 for the same application. The A5439 part number is also useful when matching replacement transmission mount listings for Buick Lucerne and Cadillac DTS vehicles.

What This Mount Helps Address

• Excess drivetrain movement under load
• Vibration transferred into the cabin
• Clunking or shifting noise from a worn mount
• Misalignment caused by deteriorated rubber support
• Loss of stable transmission positioning

Installation Notes and Tips

Verify the vehicle application against the fitment data before installation. Inspect the surrounding brackets and mounting points for wear, corrosion, or damage, and replace any compromised components before installing the new mount. This part does not include mounting hardware, a mounting bracket, instructions, or a heat shield.

Quality Assurance

MasterPro A5439 is an OE replacement transmission mount that meets or exceeds original equipment manufacturer specifications for the listed applications. Its steel-and-rubber construction follows standard replacement requirements for dependable service.