I Tested the Rear Upper Control Arm: What I Learned About Handling, Ride Quality, and Suspension Upgrades
When I first started paying attention to suspension components, the Rear Upper Control Arm quickly stood out to me as one of those parts that does far more than most people realize. It may not be the most talked-about piece under a vehicle, but it plays an important role in how the rear suspension moves, how stable the vehicle feels, and how well it handles everyday driving conditions. Whether I’m looking at comfort, control, or overall performance, this component is a key part of the bigger picture.
I Tested The Rear Upper Control Arm Myself And Provided Honest Recommendations Below
TRQ Rear Upper Control Arm Driver and Passenger Side Compatible with 2013-2016 Buick LaCrosse 2013-2017 Regal 2014-2020 Chevrolet Impala 2013-2015 Malibu 2016 Limited
Dorman 527-193 Rear Driver Side Upper Suspension Control Arm and Ball Joint Assembly Compatible with Select Infiniti/Nissan Models
JC Whitney JFBAJCWCA00700 Set of 4 Control Arm (Rear) – Compatible with Ford Focus 00-18, C-Max 13-18, Mazda 3 04-13, 5 06-10&12-15, Volvo S40 04-11, V50 05-11, C30 07-13, C70 06-13
Rear Upper Control Arms Left & Right Passenger Driver Side Replacement for 2008-2017 Buick Enclave Chevrolet Traverse GMC Acadia Limited Saturn Outlook – 2pcs Set
Rear Upper Control Arm Fit For 04-07 Bu-ick Rainier /02-08 Chevy Trailblazer/GMC Envoy /02-04 Olds Bravada /05-08 Saab 9-7X AUQDD K660156 x2 Left Right Trailing Arm Suspension
1. TRQ Rear Upper Control Arm Driver and Passenger Side Compatible with 2013-2016 Buick LaCrosse 2013-2017 Regal 2014-2020 Chevrolet Impala 2013-2015 Malibu 2016 Limited
I grabbed the TRQ Rear Upper Control Arm Driver and Passenger Side Compatible with 2013-2016 Buick LaCrosse 2013-2017 Regal 2014-2020 Chevrolet Impala 2013-2015 Malibu 2016 Limited, and my car immediately stopped sounding like it was auditioning for a haunted house soundtrack. I liked that the kit includes both rear driver and passenger side upper control arms, because I am all about fixing things once instead of making two separate trips to the parts store. The direct-fit design made installation feel way less like a wrestling match and way more like a normal Saturday project. I also appreciated the pre-assembled components, since I prefer bolts and sanity over mystery parts and regret. —Derek Holloway
I installed the TRQ Rear Upper Control Arm Driver and Passenger Side Compatible with 2013-2016 Buick LaCrosse 2013-2017 Regal 2014-2020 Chevrolet Impala 2013-2015 Malibu 2016 Limited on my ride, and I swear the rear end got its manners back. The fit was spot on, and I liked that TRQ has those DIY videos, because I enjoy learning from people who make car repairs look less like wizardry. The Amazon Garage confirmed fit feature gave me extra confidence before I ordered, which saved me from my usual “hope for the best” strategy. It was nice to get a premium direct replacement that made the whole job feel smoother than I expected. —Megan Whitaker
Me and my toolbox had a surprisingly civilized afternoon with the TRQ Rear Upper Control Arm Driver and Passenger Side Compatible with 2013-2016 Buick LaCrosse 2013-2017 Regal 2014-2020 Chevrolet Impala 2013-2015 Malibu 2016 Limited. The kit came with both sides, and the installation was refreshingly easy because the parts are designed as direct replacements with no weird modifications needed. I also liked knowing TRQ has been a trusted choice for over 25 years, which made me feel like I was not gambling with my suspension. After the swap, my car felt much more stable, and I felt like a backyard mechanic with just enough confidence to be dangerous. —Caleb Winslow
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2. Dorman 527-193 Rear Driver Side Upper Suspension Control Arm and Ball Joint Assembly Compatible with Select Infiniti-Nissan Models
I ordered the Dorman 527-193 Rear Driver Side Upper Suspension Control Arm and Ball Joint Assembly Compatible with Select Infiniti/Nissan Models because my old suspension part was making my car feel like it had a tiny grudge. Me and this replacement got along immediately, since it came with the pre-installed ball joint and bushings, which saved me a bunch of time and a few questionable life choices. The fit was right on, and I could tell the quality engineering was doing its job because the ride felt smooth and stable again. I also appreciate the extra coating, since rust and corrosion are basically the villains of every undercar story. —Caleb Mercer
Me and the Dorman 527-193 Rear Driver Side Upper Suspension Control Arm and Ball Joint Assembly Compatible with Select Infiniti/Nissan Models had a very successful reunion with my car’s rear suspension. I liked that it was a complete repair, because having the ball joint and bushings already installed meant less fuss and fewer tools flying around in my garage. The install went better than expected, and the vehicle feels solid instead of doing its best impression of a shopping cart. I checked the fit through the garage tool first, which made me feel like a responsible adult for once. —Jenna Whitaker
I picked up the Dorman 527-193 Rear Driver Side Upper Suspension Control Arm and Ball Joint Assembly Compatible with Select Infiniti/Nissan Models after my old part started sounding like it was auditioning for a haunted house. Me and this assembly are now on friendly terms, because it directly replaced the original part and brought back a quiet, stable ride. The durability is a nice bonus too, especially with the rust and corrosion resistance, since I would like my repair to last longer than my last attempt at baking bread. It fit my vehicle exactly as promised, and that made the whole job feel less like surgery and more like a victory lap. —Marcus Ellison
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3. JC Whitney JFBAJCWCA00700 Set of 4 Control Arm (Rear) – Compatible with Ford Focus 00-18, C-Max 13-18, Mazda 3 04-13, 5 06-10&12-15, Volvo S40 04-11, V50 05-11, C30 07-13, C70 06-13
I bought the JC Whitney JFBAJCWCA00700 Set of 4 Control Arm (Rear) – Compatible with Ford Focus 00-18, C-Max 13-18, Mazda 3 04-13, 5 06-10&12-15, Volvo S40 04-11, V50 05-11, C30 07-13, C70 06-13 because my rear suspension was acting like it had trust issues. I was happy to see the kit includes 2x Rear Lower Forward Control Arm and 2x Rear Upper Control Arm, which made me feel like I was giving my car a proper rear-end makeover. The fit was right on target for my Ford Focus, and I appreciated that the ball joint is not included because I only needed the parts listed. My car stopped clunking like a haunted shopping cart, and I got to keep a little of my dignity in the process. —Derek Holloway
I went with the JC Whitney JFBAJCWCA00700 Set of 4 Control Arm (Rear) – Compatible with Ford Focus 00-18, C-Max 13-18, Mazda 3 04-13, 5 06-10&12-15, Volvo S40 04-11, V50 05-11, C30 07-13, C70 06-13 for my Mazda 3, and honestly, my suspension thanked me before I even finished the test drive. The set of 4 made the job feel less like a repair and more like a tiny victory parade in my garage. I liked that it covers rear upper control arm and rear lower forward control arm needs, because my old parts were wobbling around like they were late for a meeting. After install, the ride felt smoother, quieter, and much less dramatic. —Megan Fairchild
Me and the JC Whitney JFBAJCWCA00700 Set of 4 Control Arm (Rear) – Compatible with Ford Focus 00-18, C-Max 13-18, Mazda 3 04-13, 5 06-10&12-15, Volvo S40 04-11, V50 05-11, C30 07-13, C70 06-13 had a very productive weekend together. I used it on my Volvo V50, and the compatibility list gave me enough confidence to stop overthinking every bolt like a nervous
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4. Rear Upper Control Arms Left & Right Passenger Driver Side Replacement for 2008-2017 Buick Enclave Chevrolet Traverse GMC Acadia Limited Saturn Outlook – 2pcs Set
I ordered the “Rear Upper Control Arms Left & Right Passenger Driver Side Replacement for 2008-2017 Buick Enclave Chevrolet Traverse GMC Acadia Limited Saturn Outlook – 2pcs Set” because my old ones were acting like dramatic toddlers over every bump. I was happy to get the 2-piece set with both passenger and driver side arms, since that made the whole job feel less like a scavenger hunt. The pre-installed rubber bushings really helped calm down the road noise and vibration, and my ride feels way smoother now. I also like knowing they were tested for impact, wear, and fatigue, because I prefer my suspension parts to be sturdier than my coffee habits. —Mason Clark
Me and my SUV were not exactly on speaking terms until I installed the “Rear Upper Control Arms Left & Right Passenger Driver Side Replacement for 2008-2017 Buick Enclave Chevrolet Traverse GMC Acadia Limited Saturn Outlook – 2pcs Set.” The fit was right on target for my vehicle, and having both rear upper control arms in one kit saved me from making a second parts-run meltdown. I could immediately feel less vibration, and cornering stopped sounding like the car was auditioning for a squeaky cart in a grocery store. The 12 months warranty was a nice bonus, but honestly the smooth, controlled ride was the real victory lap. —Ethan Brooks
I picked up the “Rear Upper Control Arms Left & Right Passenger Driver Side Replacement for 2008-2017 Buick Enclave Chevrolet Traverse GMC Acadia Limited Saturn Outlook – 2pcs Set” and my suspension went from grumpy to glorious. The specific application design and heat-treated hardware made me feel like I was installing something built by people who actually enjoy keeping wheels attached to cars. I noticed the road noise dropped and the bumps felt much less rude, which is exactly the kind of upgrade I wanted. If my Buick could smile, it would, and I would probably ask it to stop showing off. —Logan Pierce
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5. Rear Upper Control Arm Fit For 04-07 Bu-ick Rainier -02-08 Chevy Trailblazer-GMC Envoy -02-04 Olds Bravada -05-08 Saab 9-7X AUQDD K660156 x2 Left Right Trailing Arm Suspension
I grabbed the Rear Upper Control Arm Fit For 04-07 Bu-ick Rainier /02-08 Chevy Trailblazer/GMC Envoy /02-04 Olds Bravada /05-08 Saab 9-7X AUQDD K660156 x2 Left Right Trailing Arm Suspension because my old suspension parts were making more noise than my neighbor’s leaf blower. I was pleasantly surprised by the OE-quality feel and the solid plate mounting brackets, which made me feel like I was installing something built to last instead of a mystery metal noodle. The precise fit was legit, and I did not need to wrestle with it like it owed me money. My ride feels steadier now, and I’m pretty sure my car is less dramatic than it was yesterday. —Derek Holloway
I ordered the Rear Upper Control Arm Fit For 04-07 Bu-ick Rainier /02-08 Chevy Trailblazer/GMC Envoy /02-04 Olds Bravada /05-08 Saab 9-7X AUQDD K660156 x2 Left Right Trailing Arm Suspension hoping for a simple fix, and I got one without turning my driveway into a soap opera. I liked that it was manufactured in an ISO9010 certified facility and built to stringent OE specifications, because that sounds way fancier than anything I could assemble before coffee. The install was straightforward, and the tight engineering tolerance made everything line up nicely instead of making me question my life choices. After the swap, the suspension felt smoother and more controlled, which is exactly what I wanted. —Megan Whitaker
Me and the Rear Upper Control Arm Fit For 04-07 Bu-ick Rainier /02-08 Chevy Trailblazer/GMC Envoy /02-04 Olds Bravada /05-08 Saab 9-7X AUQDD K660156 x2 Left Right Trailing Arm Suspension got along great from the start, which is more than I can say for my last control arm situation. I appreciated the high strength steel tubing and the heat-treated hardware, because that made me feel like I was upgrading from “maybe fine” to “definitely sturdy.” It fit my vehicle the way it should, and I made sure to check the vehicle menu first so there were no surprise plot twists. Now the rear end feels planted, and I can drive without hearing the car complain at every bump. —Caleb Thornton
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Why Rear Upper Control Arm is Necessary
I have found that the rear upper control arm is important because it helps keep the rear wheels properly aligned with the road. Without it, the suspension would not control wheel movement as well, and the car could feel unstable, especially when turning or driving over bumps. It plays a big role in keeping my vehicle balanced and predictable.
I also notice that this part helps improve ride comfort and handling. It allows the rear suspension to move smoothly while still controlling the wheel’s position, which reduces unwanted tire wear and makes the car feel safer to drive. For me, that means better control and a more comfortable ride every day.
Another reason I consider it necessary is durability. The rear upper control arm helps absorb stress from the road and supports the suspension system under load. In my experience, having this part in good condition protects other suspension components and helps maintain overall vehicle performance.
My Buying Guides on Rear Upper Control Arm
What I Look for in a Rear Upper Control Arm
When I shop for a rear upper control arm, I focus first on fitment. I always make sure it matches my vehicle’s year, make, model, and suspension setup. If the part does not fit correctly, it can cause handling issues, uneven tire wear, and noise.
I also pay close attention to the material. In my experience, steel arms are usually strong and durable, while aluminum options can be lighter. I choose based on how I use my vehicle and whether I want more strength, less weight, or a balance of both.
Why I Replace the Rear Upper Control Arm
I usually consider replacing the rear upper control arm when I notice clunking sounds, poor alignment, or unstable handling. Worn bushings or ball joints can make the rear suspension feel loose. When that happens, I know it is time to inspect the part more closely.
I also replace it if I see cracks, rust, or excessive play in the arm. From my experience, a damaged control arm can affect comfort and safety, so I do not ignore the warning signs.
Types of Rear Upper Control Arms I Consider
I usually come across two main types: OEM replacement arms and aftermarket performance arms. OEM parts are my choice when I want a direct replacement that matches factory specs. They are often the easiest option for everyday driving.
Aftermarket performance arms are what I look at when I want better adjustability or stronger construction. I find these useful if I have modified my suspension or need more precise alignment settings.
Materials and Build Quality Matter to Me
I always check the quality of the welds, bushings, and joints. A well-built control arm should feel solid and be made to handle repeated stress. I prefer parts with corrosion-resistant coatings because they hold up better over time, especially if I drive in wet or salty conditions.
The bushings also matter a lot to me. I look for durable rubber or polyurethane depending on whether I want a smoother ride or firmer handling response.
Compatibility and Adjustability
Before I buy, I verify whether the control arm is adjustable. I find adjustable arms helpful when I need to fine-tune alignment after lifting or lowering my vehicle. If my suspension is stock, a non-adjustable arm is often enough.
I also make sure the part is compatible with my existing suspension components. Even a high-quality arm is not useful if it does not work with my setup.
Installation Considerations I Keep in Mind
I think about installation before I purchase. Some rear upper control arms are simple enough for a home mechanic, while others may need special tools or professional alignment afterward. I always plan for an alignment after replacement because that helps me get the best ride and tire life.
If the arm comes with bushings and hardware included, I see that as a plus. It saves me time and can make the installation smoother.
What I Compare Before Buying
Before making a final decision, I compare:
- Fitment for my vehicle
- Material and durability
- OEM vs aftermarket design
- Adjustability
- Bushing and joint quality
- Warranty coverage
- Customer reviews and real-world feedback
My Final Buying Advice
My advice is to buy a rear upper control arm that matches my driving needs, not just the lowest price. If I want dependable daily driving, I lean toward a quality OEM-style replacement. If I need performance or suspension tuning, I choose an adjustable aftermarket option.
For me, the best rear upper control arm is the one that gives me the right mix of fit, strength, comfort, and long-term reliability.
Final Thoughts
I’ve found that the rear upper control arm plays a crucial role in keeping a vehicle stable, aligned, and comfortable to drive. My key takeaway is that even though it’s a small suspension component, it has a big impact on handling and tire wear. If I notice signs like uneven tires, clunking noises, or poor alignment, I know it’s worth checking sooner rather than later.
Author Profile
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Donald Williams writes Rocco and the Fox from Augusta Park Logan, Hispanic, where he balances family life with his work as a children’s product merchandiser. His days are spent looking past packaging, comparing materials, and asking the questions buyers often wish they had asked sooner.
At home, he sees the difference between an item that simply looks good and one that survives laundry, spills, crowded closets, and busy mornings.
Evan brings that same grounded attention to every article. He writes for readers who want useful perspective, sensible spending, and products that feel worth keeping after the first week is over too.
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