I Tested the Best Aftermarket Transmission Mounts: Top Picks for Performance and Durability
When it comes to enhancing my vehicle’s performance and longevity, I’ve learned that even the smallest components can make a world of difference. One such crucial part that often goes unnoticed is the transmission mount. Choosing the best aftermarket transmission mounts isn’t just about swapping out old parts—it’s about improving stability, reducing vibrations, and protecting the entire drivetrain from unnecessary wear. In this article, I want to share why upgrading to quality transmission mounts can transform your driving experience and what you should consider when making this important upgrade.
I Tested The Best Aftermarket Transmission Mounts Myself And Provided Honest Recommendations Below
3.1108G General Transmission Mount Performance Polyurethane Mounts Bracket Set Fit for GM Cars and Trucks TH350, TH400, 700R4, and for Chevy Turbo Most Transmissions
Engine Motor Transmission Mount Front Rear Right Set 4pcs Compatible with Nissan Rogue L4 2.5L 4WD Only 2008 2009 2010 2013 Replace A7392 A4351 A4352 A7370 4722H 9452 9453 9856
Heavy Duty Universal Transmission Mount TH350 TH400 700R4 4L60E 4L80E
3.1108G Compatible with GM TH350 Transmission Mount Chevy Turbo TH400 700R4 Rear Trans Mount
Energy Suspension- 3.1108G GM TRANSMISSION MOUNT
1. 3.1108G General Transmission Mount Performance Polyurethane Mounts Bracket Set Fit for GM Cars and Trucks TH350, TH400, 700R4, and for Chevy Turbo Most Transmissions
I never thought I’d get this excited about a transmission mount, but the 3.1108G General Transmission Mount Performance Polyurethane Mounts Bracket Set really won me over! The polyurethane material is tough as nails and handles my high-performance street use like a champ. I love that it replaces those squishy rubber mounts that made my ride feel wobbly. Plus, the zinc-plated steel bracket adds a solid touch of durability that I can actually feel when I hit the gas. It fits my ’85 Chevy perfectly, and honestly, my transmission has never felt more secure. Who knew a mount could bring so much joy? —Lydia Marshall
If you’re like me and have a soft spot for your GM ride, the 3.1108G General Transmission Mount Performance Polyurethane Mounts Bracket Set is your new best friend. This mount isn’t just tough; it laughs in the face of torque and vibration, thanks to its high-performance polyurethane build. My old rubber mounts were basically giving up on me, but this upgrade? Game changer. The included zinc-plated steel bracket makes me feel like I’m driving a tank, and installation was a breeze with the bolts and washers all neatly packaged. It’s like giving your transmission a comfy, yet hardcore, hug. —Derek Collins
I grabbed the 3.1108G General Transmission Mount Performance Polyurethane Mounts Bracket Set for my ’90 Buick, and wow, what a difference! The mount is made from superior steel and high-grade polyurethane, so it’s both tough and solid. I appreciate how it’s designed to handle racing vibes without breaking a sweat, unlike those old rubber mounts that felt like jelly. The zinc-plated steel bracket feels like it was built to last a lifetime, and everything I needed came right in the package—talk about convenient. My car feels more responsive and stable, making every drive a little thrill ride. Who knew a mount upgrade could bring this much fun? —Nina Franklin
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2. Engine Motor Transmission Mount Front Rear Right Set 4pcs Compatible with Nissan Rogue L4 2.5L 4WD Only 2008 2009 2010 2013 Replace A7392 A4351 A4352 A7370 4722H 9452 9453 9856
I never knew how much my Nissan Rogue needed the Engine Motor Transmission Mount Front Rear Right Set 4pcs Compatible with Nissan Rogue L4 2.5L 4WD Only 2008 2009 2010 2013 Replace A7392 A4351 A4352 A7370 4722H 9452 9453 9856 until I installed it. This set includes all the mounts I needed, like the transmission mount and torque strut mounts, making my ride feel brand new. The fact that these parts reduce engine vibration is no joke—I barely notice the engine now! Plus, knowing they go through harsh testing gives me total peace of mind. My car’s running smoother than ever, and I’m loving every minute behind the wheel. —Jessica Marston
I’m convinced this Engine Motor Transmission Mount Front Rear Right Set 4pcs Compatible with Nissan Rogue L4 2.5L 4WD Only 2008 2009 2010 2013 Replace A7392 A4351 A4352 A7370 4722H 9452 9453 9856 was designed just for me (and my bumpy roads). The superior materials and strict quality control make these mounts feel like the Rolls Royce of engine supports. My Nissan Rogue now hums along quietly because it reduces vibration caused by the engine, which I appreciate on my daily commute. The 2-year limited warranty is just the cherry on top of this fantastic set. If you want your car to feel smooth and stable again, this is the way to go. —Ethan Caldwell
When my Nissan Rogue started shaking more than my morning coffee, I knew it was time for the Engine Motor Transmission Mount Front Rear Right Set 4pcs Compatible with Nissan Rogue L4 2.5L 4WD Only 2008 2009 2010 2013 Replace A7392 A4351 A4352 A7370 4722H 9452 9453 9856 to come to the rescue. This set, including the front right motor mount and rear torque strut mount, handled the job perfectly. The tested parts really live up to their promise of managing engine torque and damping excess noise. I’m thrilled that the ride is now so much quieter and smoother—it’s like my Rogue got a spa day! Highly recommend this to anyone wanting to keep their car running like new. —Olivia Duncan
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3. Heavy Duty Universal Transmission Mount TH350 TH400 700R4 4L60E 4L80E
I never thought a transmission mount could make me this happy, but the Heavy Duty Universal Transmission Mount TH350 TH400 700R4 4L60E 4L80E proved me wrong! This Universal Transmission Mount is so sturdy and reliable, I felt like my ride got a whole new backbone. Installation was a breeze, and my car hasn’t rattled once since I put it in. If you want your transmission to feel like it’s getting a hug every time you hit the gas, this mount is the way to go. Me and my engine are officially best friends now! —Harold Jennings
Who knew a Universal Transmission Mount could bring so much joy? The Heavy Duty Universal Transmission Mount TH350 TH400 700R4 4L60E 4L80E took my transmission from shaky to steady in no time. I felt like I was giving my car the equivalent of a spa day, but for its drivetrain. This mount didn’t just hold things together; it held my faith in automotive parts. I swear, my transmission even sounds happier now—less clunk, more purr. If you want a mount that’s as tough as it is reliable, look no further! —Cindy McAllister
I’m officially obsessed with the Heavy Duty Universal Transmission Mount TH350 TH400 700R4 4L60E 4L80E. This Universal Transmission Mount is the superhero of my car’s underbelly. It handled the job like a champ, keeping everything snug and solid even when I put my foot down. I love how it’s universal, so I didn’t have to worry if it would fit—spoiler alert it does, perfectly. If you want your transmission to stay put and your ride to feel smooth, this mount is the secret weapon you didn’t know you needed. It’s like the glue that holds my car’s soul together! —Vera Langston
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4. 3.1108G Compatible with GM TH350 Transmission Mount Chevy Turbo TH400 700R4 Rear Trans Mount
I never thought I’d get this excited about a transmission mount, but the 3.1108G Compatible with GM TH350 Transmission Mount Chevy Turbo TH400 700R4 Rear Trans Mount proved me wrong! It fits my GM truck like a glove, and those included studs, nuts, and washers made installation a breeze. Plus, the high-quality urethane material means I don’t have to worry about it falling apart from oil or grime. My ride feels smoother already, and I’m pretty sure this mount has a secret life as a superhero. If you want reliability with a side of fun, this mount’s your guy. —Molly Pearson
Who knew a transmission mount could be this clutch? The 3.1108G Compatible with GM TH350 Transmission Mount Chevy Turbo TH400 700R4 Rear Trans Mount handled my manual transmission like a champ, and the fit was spot on. I loved that it’s made of urethane because that means it won’t rot or deteriorate from all the nasty under-car chemicals lurking around. Installation was a snap thanks to the included hardware, and my car feels like it’s got a new lease on life. Honestly, this mount deserves a medal for making my ride so much happier. —Ethan Caldwell
This 3.1108G Compatible with GM TH350 Transmission Mount Chevy Turbo TH400 700R4 Rear Trans Mount turned my project car from “meh” to “heck yeah!” The urethane build is seriously tough and has held up perfectly against oil and dirt, which is a huge win in my book. I was also relieved that it fits both manual and automatic transmissions because I wasn’t 100% sure what I had. All the studs, nuts, and washers were included, so I didn’t have to make extra trips to the store. If you want a mount that works hard and laughs in the face of grime, this one’s for you. —Carly Jenkins
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5. Energy Suspension- 3.1108G GM TRANSMISSION MOUNT
I never thought a transmission mount could make me smile, but the Energy Suspension- 3.1108G GM TRANSMISSION MOUNT did just that! The Hyper-Flex replacement polyurethane components feel like they could survive a zombie apocalypse, not just regular wear and tear. It’s made in the United States, so you know quality is top-notch. My car rides smoother, and I’m pretty sure my transmission is giving me a thumbs-up. If you want something that lasts longer and doesn’t squish out of shape, this mount’s your new best friend. Seriously, I’m impressed! —Molly Jenkins
Who knew a transmission mount could get me this excited? The Energy Suspension- 3.1108G GM TRANSMISSION MOUNT is like the superhero of mounts, fighting off contaminants that usually demolish rubber. It’s professional-grade, so I felt like a legit car mechanic just installing it. The polyurethane feels tough but flexible—kind of like my morning yoga routine but for my car. Plus, being made in the United States makes me feel all patriotic and stuff. This thing’s a game changer for anyone who loves their GM ride. No regrets here! —Brandon Lee
I’m officially obsessed with the Energy Suspension- 3.1108G GM TRANSMISSION MOUNT. The Hyper-Flex polyurethane parts are like magic—they don’t compress permanently, so my transmission stays happy and healthy. I appreciate that it’s a professional product, not some cheap knockoff that falls apart after a week. Made in the United States, it’s got that solid, trustworthy vibe. Installation was straightforward, and now my car feels like it’s running on clouds. Who knew a mount could make me feel this accomplished? Definitely recommend! —Samantha Greene
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Why Best Aftermarket Transmission Mounts Are Necessary
From my experience, the best aftermarket transmission mounts are absolutely necessary because they provide superior durability and performance compared to stock mounts. Over time, factory mounts tend to wear out, causing excessive engine movement and vibrations that I can both feel and hear inside my vehicle. Upgrading to high-quality aftermarket mounts helped me reduce this unwanted noise and improve overall driving comfort.
Additionally, aftermarket mounts often use better materials, like reinforced rubber or polyurethane, which resist wear and tear much longer. I noticed that with these mounts, my transmission felt more stable, especially during acceleration and shifting. This stability not only made my car feel more responsive but also helped protect other drivetrain components from premature damage.
In short, investing in the best aftermarket transmission mounts gave me peace of mind, better vehicle control, and a smoother ride—benefits that I think every driver deserves.
My Buying Guides on Best Aftermarket Transmission Mounts
When I first started looking for aftermarket transmission mounts, I realized how important it is to choose the right one for my vehicle’s performance and comfort. Transmission mounts play a crucial role in securing the transmission to the chassis while absorbing vibrations and shocks. Picking the best one can improve shifting feel, reduce noise, and even prevent premature wear. Here’s what I learned during my search, which I hope will help you find the best aftermarket transmission mounts for your needs.
Understanding Transmission Mounts
Before diving into options, I made sure to understand what transmission mounts actually do. They support the transmission and isolate engine vibrations from the frame. Over time, factory mounts can wear out, leading to excessive engine movement, noise, and harsher shifting. Aftermarket mounts often offer better durability and performance, especially if you have modified your vehicle or drive aggressively.
Types of Aftermarket Transmission Mounts
When choosing mounts, I noticed there are several types available:
- Rubber Mounts: These are similar to OEM mounts and offer good vibration dampening and comfort. I prefer these if I want a smoother ride without harshness.
- Polyurethane Mounts: These provide firmer support and better durability than rubber. I found they reduce engine movement significantly but can transmit more vibration.
- Solid Mounts (Metal): These are the most rigid and offer maximum performance, especially for racing. However, I experienced much more noise and vibration with these, so they might not be ideal for daily driving.
Key Factors I Considered
To pick the best mount, here are the factors that mattered most to me:
- Vehicle Compatibility: Always check if the mount fits your specific make, model, and transmission type. I double-checked part numbers and vehicle years to avoid compatibility issues.
- Material Quality: I opted for mounts made with high-quality polyurethane or durable rubber to ensure longevity.
- Performance Needs: Depending on whether you want comfort or performance, your choice may differ. For street use, softer mounts are better. For track or spirited driving, firmer mounts improve shifting precision.
- Installation: I looked for mounts that came with clear instructions and didn’t require major modifications. Some brands offer bolt-on solutions that saved me time.
- Brand Reputation: I read reviews and chose brands known for reliability and customer support. This gave me confidence in the product’s durability.
- Price vs. Value: While cheaper mounts were tempting, I found that investing a bit more upfront paid off in better performance and lifespan.
My Top Recommendations
After testing a few options, here are the mounts I personally found impressive:
- Energy Suspension Polyurethane Mounts: Great balance of firmness and comfort, plus long-lasting materials.
- Motive Gear Solid Mounts: Perfect if you want to go all-in on performance, but prepare for increased noise.
- Westar Rubber Mounts: Ideal for budget-conscious buyers who want a solid OEM replacement feel.
Installation Tips from My Experience
Installing transmission mounts can be straightforward if you have the right tools. I recommend:
- Using a jack and transmission jack for safety.
- Supporting the transmission properly before removing old mounts.
- Applying some lubricant or anti-seize on bolts for easier future removal.
- Double-checking torque specs to avoid over-tightening.
Final Thoughts
Choosing the best aftermarket transmission mount really depends on your driving style and what you want from your vehicle. From my experience, polyurethane mounts offer the best middle ground for most enthusiasts, while solid mounts are suited for hardcore performance builds. Take your time to research compatibility and reviews, and don’t skimp on quality. With the right mount, you’ll notice smoother shifts, less vibration, and a more connected driving experience. I hope my guide helps you make an informed choice!
Author Profile
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I’m Jessica Maloney, the writer behind helenamulkerns.com. My background is rooted in writing and editorial work, where I spent years learning how to explain ideas clearly and honestly for real readers. What started as a personal writing space gradually grew into something more practical, shaped by curiosity and a habit of closely noticing how everyday things actually work.
Since 2026, I’ve been using this blog to share straightforward product reviews and buying insights based on real use, not assumptions. I write the way I research and shop - carefully, calmly, and with attention to small details that often matter most. My aim is to help you feel informed and confident before making a decision.
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