ACDelco 86804556 GM OEM Transmission Mount Torque Strut Lower Trans Mount

The ACDelco 86804556 is a Genuine GM Original Equipment Transmission Mount Strut — also known as a torque strut or lower trans mount — engineered as a direct OEM replacement for select Chevrolet and GMC models equipped with front-wheel-drive (FWD) drivetrains.

Transmission mount struts play a critical role in your vehicle's drivetrain system. They secure the transmission in its proper position while absorbing and dampening drivetrain vibrations, reducing noise and harshness transmitted into the cabin. This strut is precisely tuned for the specific torque characteristics of the engine and transmission combination it supports, and is designed to work in harmony with surrounding components to eliminate potential interference.

Key Features:

• Genuine GM Original Equipment — not an aftermarket substitute
• Direct bolt-on replacement requiring no modification
• Engineered to absorb drivetrain vibration and reduce cabin noise
• Manufactured to meet GM's rigorous federal safety and quality standards
• Replaces OEM part number 84146942
• Compatible with 1.5L and 1.6L Diesel FWD applications
• Backed by GM Replacement Parts Limited Warranty

As a Genuine GM part, the 86804556 delivers the same performance, durability, and service life as the component originally installed at the factory — ensuring a proper fit and long-lasting reliability.

Supersedes: 84146942