Westar EM-2778 Automatic Transmission Mount - Rear Left

Automatic Transmission Mount for GM Rear Left Applications

Westar EM-2778 is an automatic transmission mount built for specific rear left applications on select Buick, Oldsmobile, and Pontiac vehicles. It is designed to match OEM-level requirements for fit, function, and material quality while supporting the transmission in the correct position.

For drivers searching for a rear left automatic transmission mount for a 1994-1999 Buick LeSabre or a 1994-1999 Pontiac Bonneville, EM-2778 provides a direct replacement option with application-specific construction.

Key Features

• Designed to meet or exceed OEM specifications for quality, fit, and function
• Manufactured with top-quality components under strict ISO, QS, and TS standards
• Built for the specific vehicle application, including rubber, hydraulic, vacuum assisted, or electronic mount designs
• Finish selected to help improve appearance and extend service life
• Direct-fit replacement for rear left automatic transmission mount applications

Detailed Product Overview

Westar EM-2778 is engineered as a transmission support component for the rear left position on compatible GM platforms. It is intended for vehicles such as the Buick LeSabre, Oldsmobile 88, Oldsmobile LSS, Pontiac Bonneville, Oldsmobile Regency, Buick Park Avenue, and Oldsmobile 98 across the listed model years. If you are replacing a worn rear left automatic transmission mount on a 1994-1999 Buick LeSabre or a 1994-1999 Pontiac Bonneville, this part number is built for that service.

This part cross-references Anchor 2778 and NAPA 602-1712 for the same application.

What This Part Helps Address

• Excessive drivetrain movement from a deteriorated transmission mount
• Vibration or harshness felt through the chassis during operation
• Misalignment caused by a collapsed or cracked mount
• Noisy shifting or drivetrain clunking related to mount wear
• Loss of proper transmission support at the rear left mounting point

Installation Notes and Tips

Verify the vehicle year, make, model, and rear left position before installation. Compare the removed mount to EM-2778 to confirm the mounting style and application details match your vehicle. Inspect surrounding drivetrain mounts and related hardware for wear before completing the repair.

Quality Assurance

Westar states that its mounts are produced with quality materials and finished to help extend service life. EM-2778 is manufactured to support OEM-style fit and function for the listed applications.