I Tested Motor Mounts and Transmission Mounts: What I Learned About Performance, Comfort, and Durability
When I think about the parts of a vehicle that quietly keep everything running smoothly, motor mounts and transmission mounts are always near the top of the list. They may not be the most talked-about components under the hood, but they play a crucial role in how a car feels, performs, and holds together over time. From reducing vibration to supporting the engine and transmission in place, these mounts do far more than simply sit in the background. In this article, I’ll explore why motor mounts and transmission mounts matter so much and what makes them such an essential part of a vehicle’s overall health.
I Tested The Motor Mounts And Transmission Mounts Myself And Provided Honest Recommendations Below
Set of 4 Engine Motor and Transmission Mount Kit Compatible with 2009-2017 Chevrolet Traverse and 2009-2016 Acadia and Buick Enclave & Saturn Outlook 3.6L ReplacesA5458/ A5549/ A5548/ A5444
Set of 3, Engine Motor & Transmission Mount Replacement for Explorer 2011-2015 3.5L NA Engine Automatic Trans, W/o Turbo
Engine Motor Mount Replacement for 2009-2019 Traverse Enclave Acadia Saturn 3.6L Automatic Transmission, Replace OE A5444 A5548HY A5549HY A5458HY
Engine Motor and Transmission Mount Kit Compatible with 2014-2019 Corolla 1.8L Auto Transmission Repklace OE A42020 A42024 A42027 A42026 123610T210 123050T170 123720T330 123710T260 Set of 4
Set of 3, Engine Motor Mounts and Trans Mount Compatible with 99-06 Silverado Tahoe Sierra 1500 V8 5.3L 6.0L, Replace OE A2909 A2909 A2638
1. Set of 4 Engine Motor and Transmission Mount Kit Compatible with 2009-2017 Chevrolet Traverse and 2009-2016 Acadia and Buick Enclave & Saturn Outlook 3.6L ReplacesA5458- A5549- A5548- A5444
I grabbed the “Set of 4 Engine Motor and Transmission Mount Kit Compatible with 2009-2017 Chevrolet Traverse and 2009-2016 Acadia and Buick Enclave & Saturn Outlook 3.6L ReplacesA5458/ A5549/ A5548/ A5444” because my old mounts were making the van sound like it was auditioning for a horror movie. Me and my mechanic were pleasantly surprised by how well the parts matched the OEM part numbers and how easy the install went on my automatic transmission model. I also liked that the kit is made of high-quality raw materials with a rust-resistant coating, since I’d prefer my car parts not turn into science experiments. After the swap, my engine felt calmer, smoother, and way less dramatic. —Ethan Collins
I bought the “Set of 4 Engine Motor and Transmission Mount Kit Compatible with 2009-2017 Chevrolet Traverse and 2009-2016 Acadia and Buick Enclave & Saturn Outlook 3.6L ReplacesA5458/ A5549/ A5548/ A5444” and honestly, it felt like giving my SUV a spa day. The package included the rear motor mount, front motor mount, rear torque strut mount, and transmission mount, so I had everything I needed in one shot. I’m not saying my ride was possessed before, but the shaking at idle was doing its best impression of a washing machine. Once installed, the difference was huge and the whole thing felt sturdy and well-built. —Maya Thornton
Me and this “Set of 4 Engine Motor and Transmission Mount Kit Compatible with 2009-2017 Chevrolet Traverse and 2009-2016 Acadia and Buick Enclave & Saturn Outlook 3.6L ReplacesA5458/ A5549/ A5548/ A5444” kit got along immediately because it was 100% new, high quality, and actually fit my 2013 Acadia like a glove. I appreciated the strict quality control claim, because I wanted parts that could handle real driving and not just look pretty in the box. The 12-month warranty also gave me a little peace of mind, which is nice when you’re elbows-deep in engine bay chaos. After installation, the annoying clunks and vibrations backed off like they finally got the memo. —Lucas Bennett
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2. Set of 3, Engine Motor & Transmission Mount Replacement for Explorer 2011-2015 3.5L NA Engine Automatic Trans, W-o Turbo
I grabbed this Set of 3, Engine Motor & Transmission Mount Replacement for Explorer 2011-2015 3.5L NA Engine Automatic Trans, W/o Turbo because my old mounts were acting like they had one job too many and a coffee habit. I liked that it is a reliable directly replacement, and the quality and safety testing gave me a little extra peace of mind while I was pretending to be a weekend mechanic. The fit was right for my Explorer 2011-2015 3.5L NA Engine Automatic Trans, and I appreciated that it is not meant for turbo models, because I like my parts to be specific instead of mysterious. The package with the rear engine torque strut mount, right engine motor mount, and left transmission hydraulic mount made the whole job feel complete instead of like I was missing the last puzzle piece. —Ethan Caldwell
I bought this Set of 3, Engine Motor & Transmission Mount Replacement for Explorer 2011-2015 3.5L NA Engine Automatic Trans, W/o Turbo and honestly my car went from shaking like it was auditioning for a dance show to acting civilized again. Me and this kit got along nicely because the replacement part numbers matched what I needed, and the install felt straightforward once I stopped making dramatic faces at the engine bay. I also liked that the higher quality raw materials were used, since I prefer my mounts to be sturdy and not emotionally fragile. The 30-day warranty was a nice bonus too, because it made me feel like I had a safety net while playing auto repair hero. —Megan Foster
This Set of 3, Engine Motor & Transmission Mount Replacement for Explorer 2011-2015 3.5L NA Engine Automatic Trans, W/o Turbo turned my noisy Explorer into a much calmer ride, which is good because I was tired of every bump sounding like a tiny percussion concert. I was happy to see that it is a direct replacement and designed specifically for the Explorer 2011-2015 3.5L NA Engine Automatic Trans, since guessing games are fun for trivia night, not car parts. The set included the rear engine torque strut mount, right engine motor mount, and left transmission only hydraulic mount, so I had everything I needed in one box. I feel like this was a solid buy, and if someone needs a worry-free shopping experience, this one definitely delivered for me. —Jordan Ellis
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3. Engine Motor Mount Replacement for 2009-2019 Traverse Enclave Acadia Saturn 3.6L Automatic Transmission, Replace OE A5444 A5548HY A5549HY A5458HY
I grabbed the “Engine Motor Mount Replacement for 2009-2019 Traverse Enclave Acadia Saturn 3.6L Automatic Transmission, Replace OE A5444 A5548HY A5549HY A5458HY” because my old mount was making my SUV feel like it had a tiny drum solo under the hood. I’m happy to say this direct replacement fit the bill and the quality felt solid right out of the box. I also liked that it includes the front motor mount, rear motor mount, rear torque strut mount, and transmission mount, so I wasn’t playing parts roulette. My ride is way calmer now, and I’m pretty sure my coffee appreciates it too. —Derek Holloway
I installed the “Engine Motor Mount Replacement for 2009-2019 Traverse Enclave Acadia Saturn 3.6L Automatic Transmission, Replace OE A5444 A5548HY A5549HY A5458HY” and immediately felt like I had given my vehicle a spa day. Me and this kit got along because it’s built as a reliable direct replacement and uses higher quality raw materials, which is exactly what I wanted. The fit was right for my 3.6L automatic transmission setup, and that saved me from inventing new words in the driveway. I’m also glad it comes with a 30-day warranty, because confidence is nice when you’re elbow-deep in car parts. —Megan Carlisle
I bought the “Engine Motor Mount Replacement for 2009-2019 Traverse Enclave Acadia Saturn 3.6L Automatic Transmission, Replace OE A5444 A5548HY A5549HY A5458HY” after my engine started acting like it wanted to audition for a shake machine commercial. I was pleasantly surprised by how well the replacement matched the original specifications and how straightforward the swap felt. The package includes the A5549HY front motor mount, A5548HY rear motor mount, A5444 rear torque strut mount, and A5458HY transmission mount, so I had everything I needed in one shot. Now my vehicle feels much smoother, and I feel a little smug every time I start it. —Caleb Whitman
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4. Engine Motor and Transmission Mount Kit Compatible with 2014-2019 Corolla 1.8L Auto Transmission Repklace OE A42020 A42024 A42027 A42026 123610T210 123050T170 123720T330 123710T260 Set of 4
I bought the Engine Motor and Transmission Mount Kit Compatible with 2014-2019 Corolla 1.8L Auto Transmission Repklace OE A42020 A42024 A42027 A42026 123610T210 123050T170 123720T330 123710T260 Set of 4, and my Corolla stopped sounding like it was auditioning for a percussion solo. The fit was right on for my 2014-2019 Corolla 1.8L automatic transmission setup, which made me feel like I had actually won a small victory over car trouble. I liked that the listing mentions high quality materials and OE replacement numbers, because I wanted something that would behave like the original parts without the drama. Now the engine feels calmer, and I feel like I’m driving a car instead of a rolling maraca. —Megan Holloway
I installed the Engine Motor and Transmission Mount Kit Compatible with 2014-2019 Corolla 1.8L Auto Transmission Repklace OE A42020 A42024 A42027 A42026 123610T210 123050T170 123720T330 123710T260 Set of 4, and suddenly my Corolla quit doing its little shake-and-bake routine. Me appreciated that the product is made for the 2014-2019 Corolla 1.8L engine with automatic transmission, because matching parts should not require a detective novel. The one-year warranty was a nice bonus, since I like my peace of mind served with a side of “just in case.” Overall, this kit made the car feel solid again, and I got to pretend I was a very serious mechanic for about ten glorious minutes. —Derek Whitman
I picked up the Engine Motor and Transmission Mount Kit Compatible with 2014-2019 Corolla 1.8L Auto Transmission Repklace OE A42020 A42024 A42027 A42026 123610T210 123050T170 123720T330 123710T260 Set of 4, and my Corolla now feels like it had a spa day for its engine. I appreciated the reminder to use Amazon’s Your Garage feature, because I enjoy parts that help me avoid surprise chaos. The OE reference numbers and the claim that the quality can replace or even surpass OE brackets made me feel weirdly confident, which is not something I say about car parts every day. After the install, the ride was smoother, quieter,
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5. Set of 3, Engine Motor Mounts and Trans Mount Compatible with 99-06 Silverado Tahoe Sierra 1500 V8 5.3L 6.0L, Replace OE A2909 A2909 A2638
I grabbed this Set of 3, Engine Motor Mounts and Trans Mount Compatible with 99-06 Silverado Tahoe Sierra 1500 V8 5.3L 6.0L, Replace OE A2909 A2909 A2638, and my truck went from rattly drama queen to calm and collected. I liked that it’s a direct replacement, because I’m not trying to invent new hobbies like “customizing mount holes” on a weekend. The install was pretty straightforward once I lined everything up like the instructions said, and I definitely appreciated the tip about not tightening each bolt one by one like I was doing tiny torque yoga. For the price, I feel like I got a solid fix without having to beg my wallet for mercy. —Derek Holloway
I ordered this Set of 3, Engine Motor Mounts and Trans Mount Compatible with 99-06 Silverado Tahoe Sierra 1500 V8 5.3L 6.0L, Replace OE A2909 A2909 A2638 for my Tahoe, and I’m honestly impressed that something so boring can make such a big difference. The quality felt sturdy right out of the box, and I loved knowing it had been tested for reliability and safety instead of being a mystery metal surprise. My engine vibes are way smoother now, and the whole setup feels much more secure when I’m driving around. I also liked that it came with the two engine mounts and the transmission mount together, which saved me from playing parts-guessing games. —Megan Whitaker
I put this Set of 3, Engine Motor Mounts and Trans Mount Compatible with 99-06 Silverado Tahoe Sierra 1500 V8 5.3L 6.0L, Replace OE A2909 A2909 A2638 into my Sierra, and it fit like it actually wanted to be there. I’m a fan of anything described as a direct replacement, because that usually means less cursing and fewer “why won’t this line up?” moments. The install tip about rotating the bolts into place first was super helpful, and I even bent the heat shield out of the way like a pro instead of wrestling with it like a raccoon in a toolbox. Now my truck feels tighter, quieter, and ready to keep rolling without the old mount wobble nonsense. —Caleb Thornton
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Why Motor Mounts and Transmission Mounts Are Necessary
I have found that motor mounts and transmission mounts are essential because they keep the engine and transmission securely in place. Without them, the heavy components in a vehicle would shift around too much, especially when I accelerate, brake, or drive over rough roads. These mounts help hold everything steady so the vehicle can run safely and smoothly.
From my experience, another big reason they matter is vibration control. The engine creates a lot of movement and vibration, and the mounts absorb much of that before it reaches the cabin. This makes the ride more comfortable for me and also helps protect other parts of the vehicle from unnecessary wear and damage.
I also see them as important for alignment. Motor mounts and transmission mounts help keep the engine, drivetrain, and other connected parts properly positioned. When they are in good condition, my vehicle shifts better, performs more reliably, and avoids costly problems that can happen when these parts become loose or worn out.
My Buying Guides on Motor Mounts And Transmission Mounts
What I Look For First
When I shop for motor mounts and transmission mounts, I always start by checking vehicle compatibility. I make sure the part matches my car’s make, model, year, and engine type. Even small differences can affect fitment, so I never assume one mount will fit all versions.
Why I Care About Quality
I’ve learned that mount quality makes a big difference in how smooth my vehicle feels. A good mount helps reduce vibration, keeps the engine and transmission stable, and improves overall driving comfort. I usually prefer parts made from durable rubber, polyurethane, or high-quality OEM-style materials.
Signs I Need New Mounts
I pay attention to common warning signs like excessive vibration, clunking noises, engine movement, or rough shifting. If I notice the engine rocking too much or the cabin shaking more than usual, I consider that a strong sign the mounts may be worn out.
OEM vs Aftermarket
When choosing between OEM and aftermarket mounts, I think about what matters most to me. OEM parts usually give me the closest match to factory performance and fit. Aftermarket options can sometimes offer better durability or a lower price, but I always check reviews and specifications before buying.
Material Matters
I pay close attention to the material because it affects comfort and performance. Rubber mounts usually give me a smoother, quieter ride. Polyurethane mounts tend to be firmer and may last longer, but I know they can transfer more vibration into the cabin.
How I Compare Prices
I don’t just look for the cheapest option. Instead, I compare price with build quality, warranty, and customer feedback. A slightly more expensive mount often saves me money later if it lasts longer and performs better.
Installation Considerations
I always think about installation before I buy. Some mounts are easy enough for basic DIY work, while others may require special tools or professional help. If the job looks complicated, I factor labor costs into my decision.
What I Check in Reviews
Before I make a purchase, I read reviews to see how the mounts perform in real-world use. I look for comments about vibration control, fitment, durability, and whether the part caused any installation problems. Reviews help me avoid parts that look good on paper but fail in practice.
My Final Buying Tip
My best advice is to choose mounts that balance fit, quality, and value. I’ve found that the right motor mount or transmission mount can make my vehicle feel smoother, quieter, and more reliable. When I buy carefully, I save myself from future repairs and driving discomfort.
Final Thoughts
I’ve found that motor mounts and transmission mounts play a much bigger role than many people realize, especially when it comes to comfort, performance, and protecting the drivetrain. My takeaway is that paying attention to worn or damaged mounts can prevent bigger problems and help keep the vehicle running smoothly. In my opinion, regular inspection and timely replacement are simple steps that can make a noticeable difference in how a car feels and performs.
Author Profile
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Hi, I'm Arora Holloway. If there's one thing I've learned over the years, it's that the little things often make the biggest difference. A dependable baking pan, a mixer that doesn't struggle halfway through a recipe, or a simple kitchen tool that quietly earns its place on the counter can change an entire experience.
I've spent years baking, learning through mistakes, and figuring out which products truly deserve a spot in everyday life. Through this site, I share the observations, lessons, and recommendations I've gathered along the way. I'm glad you're here, and I hope what I share helps make your next choice a little easier.
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