HomeTransmission > Transmission Hard PartsWestar EM-2778 Automatic Transmission Mount - Rear Left
Part #: EM-2778

Westar EM-2778 Automatic Transmission Mount - Rear Left

Rear Left
30 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Oldsmobile, and Pontiac, LeSabre, 88, LSS, Bonneville, Regency, Park Avenue, and 98
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Reliable Automatic Transmission Mount for Buick, Oldsmobile, Pontiac

The Westar EM-2778 automatic transmission mount is engineered to meet or exceed OEM specifications, ensuring a precise fit and durable performance. Designed specifically for select Buick, Oldsmobile, and Pontiac models, this mount supports smooth transmission operation and reduces vibration.

Key Features of Westar EM-2778 Transmission Mount

  • Meets or exceeds OEM quality, fit, and durability standards
  • Manufactured using top-quality components for long-lasting reliability
  • Designed for vehicles with rubber or hydraulic transmission mounts

Detailed Product Description

The Westar EM-2778 automatic transmission mount is crafted to provide a secure connection between the transmission and vehicle frame, minimizing movement and vibration. This part is compatible with Buick 88 and 98, Oldsmobile LSS and Regency, and Pontiac Bonneville and Grand Prix models. The mount is constructed with premium materials to withstand the stresses of daily driving and maintain proper alignment. Whether your vehicle uses a rubber or hydraulic mount system, this transmission mount is designed to fit precisely and perform reliably.

Common Applications and Issues Addressed

  • Reduces excessive transmission movement and vibration
  • Prevents premature wear of transmission components
  • Eliminates clunking or knocking noises during acceleration or shifting
  • Maintains proper drivetrain alignment for smoother operation
  • Supports transmission stability under load and torque

Installation Notes and Tips

  • Ensure vehicle is securely lifted and supported before installation
  • Compare new mount with the original to verify correct fitment
  • Torque mounting bolts to manufacturer specifications
  • Inspect surrounding components for wear or damage during replacement
  • Professional installation is recommended for optimal results

Quality Assurance and Warranty

Westar manufactures the EM-2778 transmission mount using stringent quality control processes and premium materials. This part is designed to meet or exceed OEM standards, providing reliable performance and durability. Warranty coverage details should be confirmed with the supplier or manufacturer to ensure protection against defects.

This part fits 30 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999BuickLeSabre3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1999Oldsmobile883.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1999OldsmobileLSS3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1999PontiacBonneville3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1998BuickLeSabre3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1998Oldsmobile883.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1998OldsmobileLSS3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1998OldsmobileRegency3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1998PontiacBonneville3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1997BuickLeSabre3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1997Oldsmobile883.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1997OldsmobileLSS3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1997OldsmobileRegency3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1997PontiacBonneville3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1996BuickLeSabre3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1996BuickPark Avenue3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1996Oldsmobile883.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1996Oldsmobile983.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1996OldsmobileLSS3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1996PontiacBonneville3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1995BuickLeSabre3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1995BuickPark Avenue3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1995Oldsmobile883.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1995Oldsmobile983.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1995PontiacBonneville3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1994BuickLeSabre3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1994BuickPark Avenue3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1994Oldsmobile883.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1994Oldsmobile983.8LV6Rear LeftRear left-hand placement for automatic transmission mount.
1994PontiacBonneville3.8LV6Rear LeftRear left-hand placement for automatic transmission mount.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2778

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.