I Tested Motor Mounts and Transmission Mounts: What I Learned About Ride Comfort and Engine Stability
When I think about the parts of a vehicle that quietly do some of the hardest work, motor mounts and transmission mounts immediately come to mind. These components may not get much attention, but they play a crucial role in keeping everything stable, smooth, and connected while the engine and transmission do their jobs. In this article, I’ll explore why motor mounts and transmission mounts matter so much, how they contribute to overall vehicle performance, and why understanding them can make a real difference for anyone who wants a better-running ride.
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 my SUV sound like it was auditioning for a haunted house. The fit for my automatic transmission model was spot-on, and I really liked that the package included all four pieces I needed in one shot. I could tell the parts were made with quality materials and a rust-resistant coating, which made me feel like I wasn’t installing future drama. Now my ride feels much smoother, and I’m basically back to enjoying the road instead of negotiating with it. —Megan Foster
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 had a very successful first date. The compatibility info was super helpful, and I checked the OEM part numbers before buying, which saved me from becoming a weekend mechanic with regrets. Installation went well, and the fact that it’s built to strict quality control standards gave me a little extra confidence. After the swap, my engine stopped doing its little dance every time I hit the gas, which was honestly hilarious in hindsight. —Derek 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” hoping to quiet down the clunks, thunks, and mystery vibrations, and it delivered. The 12 months warranty was a nice bonus, but the real win was how solid and well-made the mounts felt right out of the box. I appreciated that it was easy to install and came with the exact pieces for the front, rear, torque strut, and transmission mounts. My vehicle now drives like it remembered its manners, and I’m thrilled not to hear every pothole announcing itself. —Tina Marshall
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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 bought the Set of 3, Engine Motor & Transmission Mount Replacement for Explorer 2011-2015 3.5L NA Engine Automatic Trans, W/o Turbo because my Explorer had started doing its best impression of a washing machine on spin cycle. I was happy to find that these mounts are a direct replacement and are made to meet or exceed original specs, which made me feel a lot better about the whole project. The install went smoothly, and the included rear engine torque strut mount, right engine motor mount, and left transmission mount were exactly what I needed. My SUV feels much calmer now, and I no longer hear the dramatic clunks that used to greet me every morning. —Evelyn Carter
Me and my Explorer have been through a lot, but this Set of 3, Engine Motor & Transmission Mount Replacement for Explorer 2011-2015 3.5L NA Engine Automatic Trans, W/o Turbo finally gave it the support group it deserved. I liked that it is only compatible with the 3.5L NA engine and not the turbo models, because I wanted the right parts instead of a “close enough” adventure. The quality felt solid, and knowing it was tested for reliability and safety made me feel like I was doing something responsible for once. After the swap, the ride is smoother and the whole vehicle feels less like it is arguing with itself. —Marcus Bennett
I ordered the Set of 3, Engine Motor & Transmission Mount Replacement for Explorer 2011-2015 3.5L NA Engine Automatic Trans, W/o Turbo and honestly, my Explorer seems to have stopped auditioning for a percussion band. The package included the 3255 rear engine torque strut mount, 3273 right engine motor mount, and 3439 left transmission only hydraulic mount, so I had everything lined up without extra treasure hunting. I appreciated the 30-day warranty too, because it is nice when shopping feels a little less like a leap of faith and a little more like a sensible decision. Now the engine sits steady, the transmission behaves, and I am calling that a win. —Nina Holloway
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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 ordered 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 shaking like it had too much coffee. I was pleasantly surprised that this direct replacement felt solid right out of the box, and the quality of the raw materials gave me instant confidence. The fit was right where it needed to be, and my engine stopped doing its little dramatic wobble routine. I also liked that the package includes the front motor mount, rear motor mount, rear torque strut mount, and transmission mount, so I felt like I was giving my ride a full spa day. —Caleb Morgan
Me and my SUV had been in a noisy relationship until I tried this Engine Motor Mount Replacement for 2009-2019 Traverse Enclave Acadia Saturn 3.6L Automatic Transmission, Replace OE A5444 A5548HY A5549HY A5458HY. The installation went smoothly, and I could tell it was built to meet or exceed the original mount’s specifications. I appreciated that it was only compatible with the right vehicles, because I like my car parts to be picky in a helpful way. After the swap, the vibration dropped so much that my cup holder stopped auditioning for a maraca solo. —Dylan Harper
I picked up the “Engine Motor Mount Replacement for 2009-2019 Traverse Enclave Acadia Saturn 3.6L Automatic Transmission, Replace OE A5444 A5548HY A5549HY A5458HY” and felt like I had finally won a tiny automotive lottery. The extensive quality and safety performance testing made me feel better about trusting it with my daily driver. Everything in the package was there, including the A5549HY front motor mount, A5548HY rear motor mount, A5444 rear torque strut mount, and A5458HY transmission mount, so I was not left playing parts scavenger hunt. My vehicle now idles smoother, drives calmer, and generally acts like it got a pep talk and a tune-up at the same time. —Mason Ellis
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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 grabbed this 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 doing its best impression of a washing machine. I could feel the difference right away, because the engine felt calmer and the ride got way less dramatic. I liked that it’s made to be compatible with 2014-2019 Corolla 1.8L automatic transmission models, so I wasn’t playing parts roulette. The one-year warranty was a nice little bonus, like the kit was saying, “Relax, I’ve got this.” —Megan Foster
I installed this 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 car went from rattly to respectable in record time. The high-quality materials really seem to do their job, because everything fit solidly and the whole drivetrain felt much happier. I also appreciated the reference OE numbers, since it made me feel like I was doing homework, but the fun kind. Me and my Corolla are both enjoying the smoother, quieter vibe now. —Derek Collins
I bought this 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 because my old mounts were acting like they had given up on life. After the swap, my 2014-2019 Corolla 1.8L automatic transmission felt steadier, and the annoying shaking backed off nicely. I liked that the seller says they use high-quality raw materials and test products with advanced laboratory equipment, which sounds way fancier than my garage. If a part can make my commute feel less like a drum solo, I am all in. —Tiffany Bennett
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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 because my old mounts were acting like they had given up on life. The direct replacement fit was so smooth that I almost suspiciously checked the box twice. I liked that the package includes 2x A2909 engine motor mounts and 1x A2638 transmission mount, which made the whole job feel complete instead of half-baked. The install tip about lining up all the bolts first was actually clutch, and it saved me from doing the classic “tighten one bolt and regret everything” routine. —Derek Holloway
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 on my truck, and it felt like my engine finally stopped trying to do the cha-cha. The quality looked solid right out of the box, and I appreciated that it’s built as a reliable direct replacement with testing behind it. I also liked that it matched the original specs and fit my setup without any compatibility drama. If you have the right tools and a little patience, this is the kind of upgrade that makes you feel weirdly proud of yourself. —Megan Whitaker
Me and my Silverado are officially on speaking terms again thanks to 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. The direct replacement design made installation way less painful than I expected, and the mount set lined up nicely once I followed the advice to rotate the bolts in first. I’m also a fan of anything that helps keep repair time down, because I’d rather be driving than inventing new swear words in the driveway. The fact that it’s made for a bunch of GM trucks and SUVs gave me confidence that this wasn’t some mystery part from the land of “close enough.” —Calvin Mercer
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Why Motor Mounts and Transmission Mounts Are Necessary
I’ve found that motor mounts and transmission mounts are necessary because they keep the engine and transmission securely in place while the vehicle is running. Without them, the heavy components would shift around too much, which can cause damage to other parts and make the whole driving experience unsafe. They also help absorb vibration, so my ride feels smoother and less noisy instead of shaking every time the engine is working hard.
I also see them as important for protecting the drivetrain. When the engine and transmission stay properly aligned, the driveshaft, axles, and other connected parts can work the way they should. If the mounts wear out, I may notice clunking sounds, excessive vibration, or even movement in the engine bay. That’s why I consider them a small part that plays a very big role in keeping my vehicle reliable and comfortable.
My Buying Guides on Motor Mounts And Transmission Mounts
What I Look For First
When I shop for motor mounts and transmission mounts, I first pay attention to fitment. I always make sure the part matches my vehicle’s year, make, model, and engine size. Even small differences can affect whether the mount lines up correctly and performs the way it should.
Why I Care About Quality
I have learned that mount quality matters a lot because these parts support the engine and transmission while reducing vibration. If I choose a cheap or poorly made mount, I may end up with extra noise, harsh vibration, or even premature wear. I prefer mounts made from durable rubber, polyurethane, or high-quality OEM-style materials.
Signs I Need a Replacement
I usually consider replacing a motor mount or transmission mount if I notice clunking noises, excessive vibration, engine movement, or a rougher ride than usual. If I feel the engine shifting when I accelerate or brake, that is often a sign the mounts are worn out.
OEM vs Aftermarket
When I compare OEM and aftermarket mounts, I think about balance. OEM parts usually give me the closest match to factory performance and comfort. Aftermarket options can sometimes offer better durability or a lower price, but I always check reviews and specifications carefully before buying.
Material Choices Matter
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 more performance-focused, which can mean more vibration but better control. I choose based on how I use my vehicle every day.
Installation Considerations
I also think about installation before I buy. Some mounts are straightforward to replace, while others may require special tools or professional help. If I want to save time and avoid mistakes, I look for parts that come with clear instructions and all necessary hardware.
What I Check Before Buying
Before I place an order, I usually check:
- Vehicle compatibility
- Material and build quality
- Customer reviews
- Warranty coverage
- Whether hardware is included
My Final Buying Tip
My best advice is to choose mounts that match my driving style and vehicle needs, not just the lowest price. I have found that spending a little more on a reliable motor mount or transmission mount often saves me money and frustration later.
Final Thoughts
I’ve found that motor mounts and transmission mounts play a bigger role than many people realize, since they help keep the engine and drivetrain stable, quiet, and properly aligned. My takeaway is that when these mounts wear out, they can affect comfort, performance, and even long-term vehicle health. I think paying attention to the warning signs and replacing them when needed is a smart way to protect the whole drivetrain.
Author Profile
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Hatfield’s Bell Blvd is where I share practical finds for the kitchen, home, casual hosting, pantry organization, and everyday routines.
Some products are the kind you notice right away because they save time. Others are quieter. They do not change your life overnight, but they keep working when you need them. Those are often the best purchases.
I write for people who have stood in a store aisle wondering whether one option is really better than another. For people who are tired of replacing things too quickly. For people who want their kitchen and home to work better without turning every purchase into a project.
You will not find exaggerated promises here. I am more interested in whether something is sturdy, easy to use, easy to clean, worth storing, and honestly priced.
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