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A worn transmission mount can lead to significant issues, including vibrations, clunking noises, and even premature drivetrain wear. Selecting the correct replacement mount is crucial for restoring smooth operation and ensuring the longevity of your vehicle's transmission and other vital components. This guide will help you navigate the options to find the best fit for your needs.
APPLICATION: The transmission mount is compatible with All GM Rear Mount TH350, TH400 700R4 Transmissions (Most Common). Such as fit for 1963-2001 Chevrolet transmissions, 1973-2001 GM transmissions, 1973-1993 Buick transmissions, 1971-1992 Oldsmobile...
FUNCTION: The polyurethane transmission mount is specially designed to hold up to the torque and vibration generated from high-performance street and racing use. Replaces the original, short-lived, and typically too-soft rubber mounts and outdates those...
FEATURES: The transmission mount has a strong zinc-plated steel bracket - for added durability when the application requires it and provides amazing performance for any vehicle that uses it.
MATERIAL: The transmission mount is made of superior steel and high-performance polyurethane, treated with professional tech, solid and durable. Package included 1 mount, 1 zinc-plated steel bracket, 2 bolts, 2 lock washers, and 4 flat washers.
Hyper-Flex replacement polyurethane components stand up well to contaminants that often destroy rubber and have been engineered to give longer-lasting performance and not compress permanently
YOUR TRUSTED DIY VIDEO SOURCE: TRQ offers the largest catalog of DIY videos for replacement parts, making installation easier and repairs more accessible. Our mission is to help you "View Before You Do," with hundreds of new videos added weekly.
TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. Confirm fitment with the Amazon Garage "confirmed fit" feature and review our full compatibility chart below before purchase.
EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.
Hyper-Flex replacement polyurethane components stand up well to contaminants that often destroy rubber and have been engineered to give longer-lasting performance and not compress permanently
[Package Included]: 1x Front Left Transmission Mount; 1x Rear Left Transmission Mount
[Advantages]: A-Premium engine mount set supports the engine, absorbs vibrations and reduces noise effectively for a smoother and more comfortable driving. Made of outstanding materials, designed for the precise fit and long-lasting performance
Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Transmission Mounts
Understanding Transmission Mounts
The transmission mount, also known as a torque mount or insulator, is a vital component that secures the transmission to the vehicle's chassis. It absorbs vibrations and shock generated during engine operation and gear changes, preventing them from transferring to the cabin. When a mount fails, you might experience excessive shaking, loud noises, and a feeling of looseness in your drivetrain.
Types of Transmission Mounts
Transmission mounts primarily come in two main types:
Rubber Mounts: These are the most common and cost-effective. They are made of durable rubber that provides good vibration isolation for everyday driving. Over time, rubber can degrade due to heat, road chemicals, and stress.
Polyurethane Mounts: Often considered a performance upgrade, polyurethane mounts are firmer than rubber. They offer greater durability and resistance to heat and chemicals, but may transmit more vibration into the cabin, which is often acceptable for performance-oriented vehicles.
Key Considerations When Buying
When purchasing a replacement transmission mount, several factors are important:
Vehicle Compatibility: Always verify that the mount is designed for your specific year, make, and model of vehicle. Incorrect fitment can lead to improper installation and performance issues.
Material: Decide between rubber for comfort and everyday use, or polyurethane for enhanced durability and performance, understanding the trade-offs in vibration transfer.
Brand Reputation: Opt for reputable brands known for producing quality automotive parts. Researching reviews can provide insights into durability and fitment.
Included Hardware: Check if the mount comes with necessary bolts or brackets, as sometimes these are sold separately.
Frequently Asked Questions
What are the signs of a bad transmission mount?
Common symptoms include excessive vibration or shaking felt in the cabin, especially when accelerating or shifting gears. You might also hear clunking noises from under the vehicle during acceleration, deceleration, or when the transmission shifts.
How long does a transmission mount typically last?
The lifespan of a transmission mount can vary significantly based on driving conditions, vehicle usage, and the quality of the original part. Generally, they can last anywhere from 50,000 to 100,000 miles, but they can fail sooner under harsh use.
Can I replace a transmission mount myself?
Replacing a transmission mount is often a DIY-friendly task for those with basic automotive tools and mechanical knowledge. However, it requires safely supporting the transmission and may involve tight spaces, so if you're not comfortable, professional installation is recommended.
Will a new transmission mount improve my car's performance?
A new transmission mount will primarily restore the vehicle's intended smooth operation and reduce unwanted noise and vibration. While it won't directly increase horsepower, it ensures the drivetrain components are properly aligned and supported, contributing to overall efficiency.
What is the difference between a transmission mount and an engine mount?
Both mounts serve a similar purpose: to support an engine or transmission and absorb vibrations. However, an engine mount supports the engine, while a transmission mount specifically supports the transmission, which is connected to the engine.
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