MasterPro A5609 Automatic Transmission Mount

Automatic Transmission Mount for GM HD Trucks

MasterPro A5609 is a standard replacement automatic transmission mount built with a steel mount body, rubber bushing, and solid cushion design. It is an OEM replacement that meets or exceeds original equipment manufacturer specifications for a direct-fit service part on select heavy-duty Chevrolet and GMC trucks.

Compatible with 2011-2016 Chevrolet Silverado 2500 HD, 2011-2016 Chevrolet Silverado 3500 HD, 2011-2016 GMC Sierra 2500 HD, and 2011-2016 GMC Sierra 3500 HD, this transmission mount supports the drivetrain where the transmission attaches to the frame. MasterPro A5609 is a practical choice for manual transmission applications that need a replacement mount with OE-style dimensions and materials.

Key Features

• OEM replacement automatic transmission mount
• Steel mount construction for structural support
• Rubber bushing material with black bushing color
• Solid cushion type for standard replacement service
• Meets or exceeds original equipment manufacturer specifications
• Two studs and two mounting holes for OE-style fitment
• Mounting hardware, bracket, heat shield, and instructions are not included

Detailed Description

The MasterPro A5609 transmission mount is engineered as a direct replacement for worn or damaged factory mounts on Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD models from 2011-2016. Its steel construction and rubber bushing help maintain drivetrain support while preserving the original mounting layout. This part cross-references Anchor 3249 for the same application.

What It Helps Address

• Excessive drivetrain movement under load
• Clunking or shifting noise from a worn transmission mount
• Vibration transferred into the cab from deteriorated rubber
• Misalignment at the transmission-to-frame mounting point
• Replacement needs after a cracked, collapsed, or separated mount

Installation Notes and Tips

Verify transmission and chassis fitment before installation, especially on manual transmission trucks within the listed GM HD applications. Inspect the mounting points for wear, corrosion, or damage before installing the new mount. Because mounting hardware is not included, reuse or source the correct fasteners as needed for the vehicle.

Quality Assurance

MasterPro A5609 is a standard replacement part that meets or exceeds original equipment manufacturer specifications. It is built for OE-style service on the listed Chevrolet Silverado HD and GMC Sierra HD applications, with materials and mounting features selected to match factory replacement needs.