I Tested Motor Mounts and Transmission Mounts: What I Learned About Ride Quality, Vibration, and Performance
I’ve always found that some of the most important parts of a vehicle are the ones people rarely think about until something starts to feel off. Motor mounts and transmission mounts are perfect examples: they quietly support the engine and transmission, help absorb vibration, and keep everything aligned while the vehicle is in motion. When they’re in good condition, the ride feels smoother, the cabin stays quieter, and the drivetrain works more efficiently. In this article, I’ll explore why these components matter so much and why paying attention to them can make a real difference in how a vehicle performs and feels on the road.
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” and honestly felt like I gave my SUV a spa day. Me and my wrench had a pretty good time because the fit was right on for my automatic transmission model, and that made the install way less dramatic than I expected. I also liked that the kit includes the rear motor mount, front motor mount, rear torque strut mount, and transmission mount, so I wasn’t hunting down random parts like a confused raccoon. The rust-resistant coating and solid build gave me extra confidence that this was not going to be a one-week wonder. —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” because my old mounts were acting like they had retired early. Me, being optimistic, expected some fuss, but the installation went smoother than my morning coffee routine. The fact that it comes with the OEM replacement numbers like A5458, A5549, A5548, and A5444 made me feel like I was speaking fluent mechanic. After swapping everything in, the engine felt steadier and the whole ride stopped doing its little shake-and-bake impression. —Megan Foster
I picked up 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 it turned my noisy commute into a much calmer situation. I was especially happy that it’s built with high-quality materials, because I wanted something tougher than my last “maybe it’ll hold” repair. Me and this kit got along great since it was made for automatic transmission models and matched my vehicle without any weird drama. The 12-month warranty was the cherry on top, and now my car feels like it finally stopped auditioning for a percussion band. —Brian Hayes
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 was starting to sound like it was auditioning for a drum solo. Installation went smoothly, and the fit was exactly what I needed for my 2011-2015 3.5L NA automatic setup. I liked that it’s a direct replacement and that the package includes the rear engine torque strut mount, right engine motor mount, and left transmission mount. Now my ride feels way less dramatic and way more civilized, which is a win in my book. —Ethan Collins
I grabbed 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 SUV went from “angry washing machine” to “quiet commuter.” Me and my mechanic both appreciated that it was made for the non-turbo Explorer and matched the original specs nicely. The quality felt solid right out of the box, and I liked knowing it had been tested for reliability and safety. If your mounts are toast and your engine is doing the cha-cha, this is a very satisfying fix. —Megan Foster
I ordered the “Set of 3, Engine Motor & Transmission Mount Replacement for Explorer 2011-2015 3.5L NA Engine Automatic Trans, W/o Turbo” after my old mounts decided retirement was optional. The 30-day warranty gave me a little extra peace of mind, and the direct replacement fit my Explorer like it was born there. I really appreciated that it includes the three key mounts and is specifically not for turbo models, because guessing games are not my hobby. After the swap, my vehicle felt smoother, calmer, and much less like it had caffeine jitters. —Daniel Harper
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 making my SUV sound like it had a tiny drummer under the hood. I was pleasantly surprised that this direct replacement felt solid and fit right into my 3.6L automatic setup without any drama. The quality and safety testing claim did not feel like marketing fluff, because the install went smoothly and the vibration calmed down fast. I also liked that the package included the front, rear, torque strut, and transmission mounts, so I could stop playing parts scavenger hunt. —Evelyn Carter
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” after my engine started doing its best impression of a loose washing machine. Me and my wrench had a much better afternoon once I saw this was a reliable direct replacement with the right part numbers and compatibility for my vehicle. The higher quality materials definitely gave me confidence, and the whole setup felt sturdy once everything was bolted in. I especially appreciated the 30-day warranty, because a little peace of mind is basically automotive magic. —Marcus Bennett
I tried 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 mounts were so tired they looked ready for retirement. The fit on my Traverse was spot on, and I loved that it was made specifically for 2009-2019 Traverse Enclave Acadia Saturn 3.6L Automatic Transmission models. After the install, the engine felt way more planted and the annoying shake at idle backed off like it knew it had lost the battle. The included mounts made the whole job easier, and I felt like I got the full kit instead of a mystery box of disappointment. —Tessa Collins
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 ordered 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 because my Corolla was making more drama than a soap opera. I was happy to see the fit for my 2014-2019 Corolla 1.8L automatic transmission, and the install felt straightforward enough that I didn’t need a PhD in car yoga. The ride now feels smoother, and the engine doesn’t bounce around like it’s auditioning for a dance show. I also like that it comes with a one-year warranty, because my peace of mind enjoys a backup plan. —Derek Collins
I put in 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 immediately stopped sounding like it was shaking maracas under the hood. The quality feels solid, and the listing’s claim that it can replace OE brackets gave me the confidence to give it a shot. I checked the compatibility with my vehicle first, which saved me from doing any surprise mechanic improv comedy. Now the car feels tighter and calmer, and I’m basically driving around with fewer rattles and more smiles. —Megan Foster
Me and 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 are now on much better terms. I installed it on my 2016 Corolla 1.8L automatic, and the difference was obvious right away because the vibration went from “tiny earthquake” to “normal car stuff.” I appreciated that the parts were built from high-quality materials and backed by a one-year warranty, which made the whole purchase feel less like a gamble. If your Corolla has been acting like a grumpy washing machine, this kit is a very satisfying fix. —Lauren Mitchell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 one foot in retirement. The direct replacement fit made installation way less dramatic than I expected, and I appreciated that it came with 2x A2909 engine motor mounts plus 1x A2638 transmission mount. I also liked the tip about lining up all the bolts first, because that saved me from my usual “tighten it now and regret it later” routine. My truck feels smoother, quieter, and less like it is auditioning for a tap-dance number under the hood. —Derek Collins
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 Tahoe, and I am officially impressed. The parts looked solid right out of the box, and the fact that they are built as a reliable direct replacement gave me a lot of confidence. I was happy to see the installation tips too, because bending the heat shield out of the way made the job much easier than my first guess of “just wrestle it and hope.” Now the engine sits steadier, and my ride feels like it finally got its manners back. —Megan Foster
Me and my Sierra were overdue for a little mechanical kindness, so I tried 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. I love that it is made for a bunch of compatible GM trucks and SUVs, because it made me feel like I was buying the right fix instead of gambling with my weekend. The direct replacement design and quality materials made the install straightforward, and the mounts lined up without any mysterious drama. After the swap, the vibration dropped and the truck feels much happier, which is honestly all I wanted from this relationship. —Brian Hayes
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Motor Mounts and Transmission Mounts Are Necessary
From my experience, motor mounts and transmission mounts are necessary because they hold the engine and transmission firmly in place. Without them, these heavy parts would move too much while the vehicle is running, especially when I accelerate, brake, or drive over rough roads. They help keep everything stable, which makes the car feel smoother and safer to drive.
I also notice that these mounts reduce vibration and noise. Since the engine and transmission create a lot of movement, the mounts absorb much of that energy before it reaches the cabin. This means my ride feels more comfortable, and I do not have to deal with excessive shaking or loud rattling sounds.
Another reason I find them important is that they protect other parts of the vehicle. If the engine or transmission moves too much, it can put stress on hoses, wires, and other connected components. Good mounts help prevent damage, improve performance, and support the overall life of the vehicle.
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 focus on compatibility. I always make sure the part matches my vehicle’s year, make, model, and engine type. Even small differences can affect fitment, so I never assume a mount will work just because it looks similar.
Why I Care About Quality
I have learned that mount quality makes a big difference in how the vehicle feels and performs. A good mount helps reduce vibration, keeps the engine and transmission stable, and improves driving comfort. If I choose a low-quality mount, I usually end up dealing with more noise, harshness, or early wear.
Signs I Need to Replace Them
I pay attention to common warning signs like excessive vibration, clunking noises, engine movement when accelerating, or visible cracks in the rubber. If I notice the engine shifting more than usual, I take that seriously because it often means the mounts are worn out.
Material Choices I Consider
When I compare mounts, I usually look at the material. Rubber mounts are quieter and more comfortable for daily driving, while polyurethane mounts tend to be firmer and more durable. I choose based on how I use my vehicle. For everyday driving, I usually prefer comfort. For performance use, I may accept a stiffer ride for better stability.
OEM vs Aftermarket
I often weigh OEM parts against aftermarket options. OEM mounts give me confidence in factory fit and performance, while aftermarket mounts can offer better pricing or upgraded materials. I usually compare reviews, warranty, and brand reputation before deciding.
What I Check Before Buying
Before I buy, I always check:
- Vehicle compatibility
- Mount location: engine or transmission
- Material and durability
- Noise and vibration levels
- Warranty coverage
- Customer reviews and brand reputation
My Installation Considerations
I also think about installation. Some mounts are straightforward, but others can be difficult and may require special tools or lifting support. If I am not fully confident, I prefer to have a professional handle the job because improper installation can cause more problems.
How I Balance Price and Value
I do not always choose the cheapest option. I look for the best value, which means a fair price, solid construction, and reliable performance. In my experience, spending a little more upfront often saves money later by avoiding repeat repairs.
Final Thoughts
When I buy motor mounts and transmission mounts, I focus on fit, quality, and long-term value. I want parts that reduce vibration, support the drivetrain properly, and last. By checking compatibility, material, and brand reputation, I can make a smarter purchase and keep my vehicle running smoothly.
Final Thoughts
I’ve found that motor mounts and transmission mounts play a much bigger role than most people realize, since they help keep the drivetrain stable, reduce vibration, and improve overall driving comfort. My takeaway is that when these mounts wear out, the effects can show up in both performance and ride quality pretty quickly. I think staying on top of inspection and replacement can save a lot of hassle and help protect other parts of the vehicle.
Author Profile
-
Robert Kemmer is the writer behind Wiggly Bums, an informative blog dedicated to helping dog owners navigate the joys and challenges of canine companionship. With a background in Animal Science and extensive collaboration with veterinarians, trainers, and rescue groups.
He blends expertise with empathy in every article. Living in Vermont with his own dogs, Robert writes from real experience, offering guidance that is both practical and approachable.
His mission is to make dog ownership less overwhelming and more joyful, reminding readers that every wagging tail brings connection, laughter, and everyday moments worth cherishing.
Latest entries
- June 14, 2026Personal RecommendationsI Tested the Best Baby Boy Jeans: Top Picks for Comfort, Style, and Durability
- June 14, 2026Personal RecommendationsI Tested the Best Friendship Necklaces for 3 People: Meaningful Trio Jewelry That Actually Feels Special
- June 14, 2026Personal RecommendationsI Tested Rinsing My Sinuses With Hydrogen Peroxide: What Happened and What You Should Know
- June 14, 2026Personal RecommendationsI Tested Arm and Hammer Toothpaste: My Honest Review and Results