MasterPro A2778 Manual Transmission Mount - Rear Left

Manual Transmission Mount for GM Rear Left Applications

MasterPro A2778 is a standard replacement manual transmission mount built with a steel bracket, steel mount construction, and a rubber bushing with a solid cushion design. It is an OEM replacement for rear left applications on select Buick, Oldsmobile, and Pontiac models with manual transmissions.

Key Features

• OEM replacement manual transmission mount
• Steel mount and steel bracket construction
• Rubber bushing with solid cushion type
• Black bushing and black bracket finish
• Meets or exceeds original equipment manufacturer specifications
• Mounting bracket included
• Standard replacement grade
• MasterPro A2778 part number

Detailed Product Overview

MasterPro A2778 is engineered for rear left manual transmission mounting on select GM vehicles, including 1994-1999 Buick LeSabre, 1994-1996 Buick Park Avenue, 1994-1999 Oldsmobile 88, 1996-1999 Oldsmobile LSS, 1997-1998 Oldsmobile Regency, 1994-1996 Oldsmobile 98, and 1994-1999 Pontiac Bonneville. The steel bracket and rubber bushing construction is intended to match original equipment mounting geometry while providing a direct-fit replacement for manual transmission service. This part cross-references Anchor 2778 for the same application.

Common Problems This Part Can Address

• Excessive drivetrain movement at the rear left transmission mount location
• Worn or cracked rubber in the original manual transmission mount
• Noise or vibration transferred through the transmission mounting point
• Mount bracket corrosion or fatigue on the existing assembly
• Need for an OE-style replacement during manual transmission repair

Installation Notes and Tips

Verify rear left position and manual transmission application before installation. Inspect the surrounding brackets and mounting points for wear, damage, or corrosion before transferring the new mount into place. Mounting hardware is not included, and instructions are not included, so confirm all required fasteners and service procedures before beginning the job. MasterPro A2778 is also listed under GM service numbers 14069246, 22113338, 22145828, and 22146441, which can help with parts verification.

Quality Assurance

This MasterPro manual transmission mount is built as a standard replacement part and is specified to meet or exceed original equipment manufacturer specifications for the listed applications.