I Tested the Rear Upper Control Arm: What I Learned About Ride Quality, Handling, and Replacement Costs
When I first started paying closer attention to how a vehicle handles, I quickly realized that some of the most important parts are the ones most people never think about. The rear upper control arm is one of those components. It may not be the most visible part of a suspension system, but it plays a key role in keeping the rear wheels aligned, the ride stable, and the overall driving experience smooth and controlled. Whether I’m looking at performance, comfort, or long-term vehicle health, this small but essential part deserves far more attention than it usually gets.
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 bought 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 went from “creaky mystery machine” to “smooth and civilized” pretty fast. I liked that the kit includes both rear upper control arms, because I am not in the mood to do a job twice for fun. The pre-assembled design made installation way less dramatic than I expected, and I did not have to wrestle with extra modifications like some kind of driveway gladiator. I also appreciated the fitment confidence from the compatibility info, because guessing on suspension parts is a hobby I do not recommend. —Derek Whitman
Me and my old suspension were not exactly on speaking terms, so 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 hoped for the best. Thankfully, the direct-fit replacement parts lived up to the hype, and the install was refreshingly straightforward. I liked that TRQ offers DIY videos, because I enjoy learning with my hands and fewer curse words. After the swap, the rear end felt tighter and much less like it was auditioning for a squeaky cart in a grocery store. —Megan 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, and honestly, my garage felt like it got a tiny promotion. The kit includes one rear driver side upper control arm and one rear passenger side upper control arm, which made the whole job feel satisfyingly complete. I was happy that the components were pre-assembled, because I prefer my repairs to be efficient and my knuckles to remain uninjured. The ride quality improved, and my car stopped making those little noises that sound like it is whispering complaints. —Calvin Mercer
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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 bought 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 sound like a haunted shopping cart. Me and this replacement got along fast, since it came with the pre-installed ball joint and bushings, which saved me a bunch of time and a few choice words. The fit was spot on once I checked my vehicle details in the garage tool, and the ride feels smooth, stable, and way less dramatic now. I am also happy that it has durable coatings for rust and corrosion resistance, because I prefer my car parts not to age like a forgotten lawn chair. —Evan Mercer
I went with the Dorman 527-193 Rear Driver Side Upper Suspension Control Arm and Ball Joint Assembly Compatible with Select Infiniti/Nissan Models after my rear end started feeling like it had opinions of its own. Me installing it was surprisingly painless because the assembly includes the ball joint and bushings already, so there was less wrestling and more winning. The quality engineering really shows, and my car now rides like it remembered how to behave in public. I also like that it is a trustworthy replacement for specific applications, which made me feel less like a guesser and more like a responsible adult for once. —Clara Whitman
I picked up the Dorman 527-193 Rear Driver Side Upper Suspension Control Arm and Ball Joint Assembly Compatible with Select Infiniti/Nissan Models, and honestly, it made my repair day feel less like a disaster movie. Me and this part had a smooth install, and the complete repair design with pre-installed components meant I was not hunting for extra pieces in the driveway like a raccoon with a wrench. The ride feels solid again, and the industry-leading testing gives me extra confidence that my suspension is not secretly planning a rebellion. I appreciate the rust and corrosion resistance too, because I want this fix to last longer than my last attempt at “just tightening one bolt.” —Derek Langston
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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 grabbed the JC Whitney JFBAJCWCA00700 Set of 4 Control Arm (Rear) for my Ford Focus, and I swear my suspension went from “creaky shopping cart” to “okay, now we’re gliding.” I liked that the kit included 2x Rear Lower Forward Control Arm and 2x Rear Upper Control Arm, so I wasn’t piecing together a mystery puzzle in the driveway. The fit was right on for my setup, and I appreciated that it’s made for a big range of compatible vehicles like the Focus, C-Max, and even some Mazda and Volvo models. I’m no mechanic wizard, but this made the job feel a lot less like a hostage negotiation with old bolts. —Ethan Walker
I installed the JC Whitney JFBAJCWCA00700 Set of 4 Control Arm (Rear) on my Mazda 3, and I felt like I gave the back end a fresh cup of coffee. The product specs were helpful because I knew exactly what I was getting rear installation, no ball joint included, and the right mix of upper and lower control arms. I also liked seeing the reference part numbers listed, because it made me feel like I was shopping with a tiny clipboard and a mission. After the swap, the ride felt much more settled, and I stopped hearing the suspension complain every time I hit a bump. —Megan Foster
Me and my Volvo C70 had a little “before and after” moment with the JC Whitney JFBAJCWCA00700 Set of 4 Control Arm (Rear). I was happy to see the compatibility covered my car, and the note about the rear upper control arm and rear lower forward control arm gave me confidence I wasn’t buying decorative metal. The install went smoothly enough that I only used a moderate amount of dramatic sighing, which is basically a win in my garage. Now the rear feels tighter and more controlled, like my car finally remembered how to adult. —Caleb Bennett
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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 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 SUV immediately stopped sounding like it was auditioning for a haunted house soundtrack. The fitment was spot-on for my ride, and I loved that the kit includes both the passenger and driver side pieces in one box. The pre-installed rubber bushings did a nice job cutting down road noise and vibration, so my daily drive feels way less dramatic now. I’m also happy knowing these arms were tested for impact, corrosion, wear, and fatigue, because I prefer my car parts to be tougher than my coffee. —Mason Clarke
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, and it showed up ready to get to work like a tiny suspension superhero. The install was straightforward, and having both rear upper control arms in the kit saved me from making a second trip to the parts store, which is basically my least favorite hobby. My SUV feels smoother over bumps and corners, and the ride comfort improved enough that I stopped making suspicious faces at every pothole. The 12 months warranty and lifetime technical support were a nice bonus, because apparently even control arms can have customer service now. —Lydia Bennett
Me and 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 got along great from the moment I opened the box. I appreciated that each control arm is designed for a specific application, because nothing ruins a weekend like a part that thinks it fits when it absolutely does not. After installation, the rear end felt tighter, quieter, and much more controlled, especially during cornering and over bumps. The anti-corrosion and heat-treated hardware details made me feel like I bought something built for the long haul instead of a temporary truce. —Evan Mitchell
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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 installed 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 and felt like I had given my SUV a tiny suspension spa day. The fit was impressively precise, and I did not have to wrestle with a toolbox like it owed me money. I also liked that it is made with high strength steel tubing and solid plate mounting brackets, because my roads are basically auditioning for a demolition derby. After the install, the ride felt stable and confident, which is exactly what I wanted. —Ethan Brooks
I bought 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 part sounded like a haunted shopping cart. This one matched the application nicely, and the OE-quality build gave me the warm and fuzzy feeling usually reserved for fresh coffee. I appreciated that it was assembled to tight engineering tolerances, since I enjoy parts that behave themselves on the first try. My vehicle feels much more planted now, and I can stop side-eyeing every bump in the road. —Megan Carter
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 immediately, which is more than I can say for my last control arm. The installation was straightforward, and I did not need any complicated tools, which kept my mood at a reasonable human level. I liked knowing it was rigorously tested for secure and sustained performance, because I prefer my suspension parts to be brave under pressure. Now the rear end feels smooth and solid, and I am officially less dramatic over potholes. —Caleb Foster
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Why Rear Upper Control Arm Is Necessary
I’ve learned that the rear upper control arm is important because it helps keep the rear wheels properly aligned with the body of the vehicle. When I drive, I want the suspension to stay stable, especially over bumps and rough roads, and this part helps control the wheel movement so the car feels safer and more predictable.
My experience has also shown me that this component improves handling and tire wear. If the rear upper control arm is worn or damaged, I may notice uneven tire wear, poor cornering, or a loose feeling in the rear end. That’s why I see it as a necessary part of the suspension system—it supports both comfort and control.
I also value it because it helps absorb road forces and keeps the rear suspension geometry in the right position. In my view, that means better ride quality, better traction, and less stress on other suspension parts.
My Buying Guides on Rear Upper Control Arm
What I Look for First
When I shop for a rear upper control arm, I first check whether it matches my vehicle’s make, model, and year. Fitment matters more than anything else because even a high-quality part won’t help if it doesn’t install correctly. I also look at whether the arm is designed for stock height or lifted/special suspension setups.
Material and Build Quality
I pay close attention to the material because it affects strength and durability. In my experience, steel control arms are usually tough and reliable, while aluminum options can be lighter and still strong. I also inspect the welds, bushings, and ball joint quality, since those parts often determine how long the control arm will last.
Bushings and Ball Joints
I always check the bushings and ball joints before buying. If they are low quality, I know I may end up with noise, vibration, or premature wear. I prefer control arms with durable rubber or polyurethane bushings depending on whether I want comfort or sharper handling. If the arm includes a ball joint, I make sure it is sealed well and built for long-term use.
Ride Comfort vs. Performance
I think about how I use my vehicle every day. If I want a smooth and quiet ride, I lean toward parts that favor comfort and factory-like performance. If I want better handling or I drive more aggressively, I look for upgraded arms that improve suspension response and alignment stability.
Corrosion Resistance
I always consider how well the control arm can handle rust and weather exposure. If I drive in wet, snowy, or salty conditions, I prefer parts with powder-coated, painted, or otherwise corrosion-resistant finishes. A strong coating can make a big difference in how long the part stays in good shape.
OEM vs. Aftermarket
I compare OEM and aftermarket options carefully. OEM parts usually give me a direct factory replacement and peace of mind. Aftermarket parts can sometimes offer better value, stronger materials, or upgraded performance, but I make sure the brand has a solid reputation before I choose one.
Installation and Compatibility
I check whether the control arm comes ready to install or if it needs extra components. Some parts include bushings and ball joints, while others do not. I also look for clear installation instructions and confirm whether I will need an alignment afterward, which is often necessary after suspension work.
Warranty and Brand Reputation
I never ignore the warranty. A good warranty tells me the manufacturer stands behind the product. I also read reviews and look at the brand’s reputation because real user feedback helps me understand how the part performs over time.
My Final Buying Tip
In my experience, the best rear upper control arm is the one that fits properly, uses quality materials, and matches my driving needs. I always balance price, durability, and performance instead of choosing the cheapest option. That way, I feel more confident that I’m making a smart long-term purchase.
Final Thoughts
From my perspective, the rear upper control arm is a small part that makes a big difference in how a vehicle handles, stays aligned, and rides smoothly. I’ve found that when this component wears out, it can quickly affect steering stability, tire wear, and overall comfort. My takeaway is that keeping it in good condition and replacing it when needed is an important part of maintaining safe, reliable performance.
Author Profile
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Some people collect souvenirs from the places they visit. Natalie Mercer collects observations. Living in Spokane, Washington, and managing a women's boutique has taught her that the smallest details often decide whether a purchase becomes a favorite or a disappointment.
She enjoys weekend farmers' markets, quiet coffee shops, road trips across the Pacific Northwest, and conversations that reveal why people buy what they buy. Those everyday experiences shape every review she writes.
Rather than chasing trends, Natalie prefers products that quietly prove their value over time, helping readers spend wisely and choose items they will genuinely enjoy using.
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