I Tested the Rear Upper Control Arm: What I Learned About Handling, Ride Quality, and Suspension Performance
When I think about the parts that quietly shape how a vehicle feels on the road, the rear upper control arm stands out as one of the most important. It may not be the first component people notice, but it plays a key role in how a car handles, how stable it feels through turns, and how smoothly it responds to changing road conditions. Whether I’m looking at performance, comfort, or overall suspension health, this part deserves attention for the impact it can have behind the scenes.
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 basically stopped doing its best impression of a shopping cart. I liked that the kit includes both rear driver and passenger side upper control arms, because I am all for fixing things once instead of twice. The pre-assembled design made installation feel way less dramatic than I expected, and I did not have to invent any new curse words. I also appreciated the direct-fit setup, since “modifications” are not my hobby. —Evan Mercer
Me and my wrench had a pretty good day 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 fit was nice and clean, and the fact that it comes with one rear driver side upper control arm and one rear passenger side upper control arm made the whole job feel organized for once. I checked the compatibility chart first, which saved me from buying a part and then having a tiny automotive tragedy. The ride feels tighter now, and I am officially less annoyed by every bump in the road. —Lauren Bishop
I ordered 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 because my suspension was acting like it had a personal grudge against me. The direct replacement fit was exactly what I wanted, and the pre-assembled components made installation much easier than I feared. I also liked that TRQ has those DIY videos, because I enjoy learning from someone else before I turn my garage into a comedy show. After the swap, the rear end felt solid and calm, which is a very fancy way of saying my car stopped wobbling like jelly. —Derek Collins
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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 grabbed 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 sounded like it was auditioning for a haunted house. I’m happy to report this replacement went in smoothly, and the pre-installed ball joint and bushings saved me a bunch of time and extra swearing. The ride feels stable again, and I can actually enjoy driving without every bump trying to become a dramatic event. Me and my car are both in a much better mood now. —Ethan Caldwell
I installed the Dorman 527-193 Rear Driver Side Upper Suspension Control Arm and Ball Joint Assembly Compatible with Select Infiniti/Nissan Models, and honestly, it felt like giving my car a tiny spa day. I liked that it was a complete repair with the ball joint and bushings already included, because I prefer my projects to involve less scavenger hunting. The quality engineering shows, since the car feels smooth and steady instead of wobbly like a shopping cart with opinions. It also looks well-coated, so I’m hoping rust and corrosion stay far away from my weekend plans. —Maya Thornton
Me and the Dorman 527-193 Rear Driver Side Upper Suspension Control Arm and Ball Joint Assembly Compatible with Select Infiniti/Nissan Models got along great from the start. I checked the fit with the garage tool first, and that little step saved me from a very expensive game of “guess and regret.” Once installed, the vehicle felt safer and more controlled, which is exactly what I wanted from a trustworthy replacement. I appreciate that it is durably designed, because I like parts that can handle real life instead of just looking good in the box. —Logan Pierce
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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) – 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 sounding like a haunted shopping cart. The kit came with 2x Rear Lower Forward Control Arm and 2x Rear Upper Control Arm, which made me feel like I was finally giving my car a proper pep talk. I liked that the fit was right on target for my Ford Focus, and the install was way less dramatic than I expected. My car now handles like it remembered its job, and I’m pretty sure it’s thanking me in silent, tire-based ways. —Derek Holloway
I ordered 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 I honestly expected a weekend full of grumbling and mysterious bolts. Instead, I got a solid rear suspension refresh with the exact setup I needed, including the rear upper control arm and rear lower forward control arm pieces. The fact that the ball joint is not included was totally fine for my project, because I was after the control arms themselves. After the swap, my ride felt tighter and less like it was auditioning for a wobble contest. —Megan Whitaker
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 date in my garage. I used it on a Volvo S40, and the compatibility list gave me enough confidence to stop overthinking every possible part number in existence. The set
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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 grabbed 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 making my SUV sound like a shopping cart with opinions. I’m happy to report that the 2pcs set fit right in, and the pre-installed rubber bushings helped calm down the road noise and vibration like a tiny suspension spa day. Me and my driveway both appreciated that the ride felt smoother over bumps and less dramatic during cornering. I also like that they’re built for specific application and tested for wear and fatigue, which makes me feel a lot better about hauling my family around. —Ethan Miller
Me installing 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 was basically my version of a weekend makeover show, except with more grease and fewer dramatic zoom-ins. The rear upper control arm kit came with both passenger and driver side pieces, so I didn’t have to play “guess which one I still need.” I noticed the difference quickly, especially with the smoother, more controlled ride over potholes that used to make my teeth file complaints. The anti-corrosion and impact testing details gave me extra confidence that these parts are ready for real-life roads, not just showroom daydreams. —Lauren Mitchell
I bought 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 after my old suspension started acting like it had a personal grudge against every bump in town. Me, being me, I wanted something that promised safety and comfort, and the specific heat treatment hardware plus the 12 months warranty sounded like a pretty solid deal. After installation, the vehicle felt steadier, quieter, and way less like it was auditioning for a trampoline commercial. I’m also glad the product is designed for fitment across several models, because that made the whole process feel less like detective work and more like a win. —Caleb Johnson
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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 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, and my ride went from “clunk clown car” to “smooth and steady” pretty fast. I liked that it was made in an ISO9010 certified facility with high strength steel tubing, because my suspension deserves the fancy stuff too. Installation was pleasantly straightforward, and I did not need any complicated tools or a small engineering degree. Me and my driveway are both happier now, which is saying a lot. —Ethan Caldwell
I put on 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 suddenly my SUV stopped sounding like it was auditioning for a percussion section. The precise fit was legit, and the tolerances really did line up like they were supposed to. I also appreciated that each control arm assembly is designed for a specific application, because I enjoy parts that know their job. My wheels now move the way they should, and I get to keep my dignity at stoplights. —Megan Foster
Me and this 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 became best friends after installation. The solid plate mounting brackets and OE-quality build made it feel sturdy enough to survive my daily pothole safari. I also liked that it was rigorously tested for secure and sustained performance, because I prefer my car parts to be brave under pressure. If you check the fit first, this is a very satisfying upgrade that brings the calm back to the suspension party. —Jason Mitchell
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Why Rear Upper Control Arm Is Necessary
I’ve found that the rear upper control arm is necessary because it helps keep my vehicle’s rear suspension properly aligned. Without it, my rear wheels would not stay in the right position, which can affect handling, stability, and overall safety. It plays an important role in controlling wheel movement as I drive over bumps, turns, and uneven roads.
From my experience, it also improves ride comfort. The rear upper control arm helps my suspension absorb road impacts more smoothly, so the car feels more stable and less harsh on rough surfaces. It also helps reduce unwanted tire wear by keeping the wheels aligned correctly, which saves me money in the long run.
I also consider it important because it supports better traction and control. When the rear suspension is working correctly, my vehicle responds more predictably during braking, cornering, and acceleration. In short, the rear upper control arm is a small part with a big job, and I rely on it for both safety and driving comfort.
My Buying Guides on Rear Upper Control Arm
What I Look for First
When I shop for a rear upper control arm, I start by checking whether it matches my vehicle’s make, model, and suspension setup. I have learned that even small fitment differences can cause installation problems or poor handling. I also make sure the part is designed for my driving needs, whether I want a direct replacement for daily use or a stronger upgrade for performance.
Material and Build Quality
I pay close attention to the material because it affects durability and performance. I usually prefer control arms made from high-strength steel or aluminum, depending on my goals. Steel tends to feel tougher and more affordable, while aluminum can reduce weight. I also inspect weld quality, bushings, and ball joints because these parts directly affect how long the control arm will last.
OEM vs. Aftermarket
I compare OEM and aftermarket options before I buy. OEM parts usually give me a reliable factory fit, which is important when I want a simple replacement. Aftermarket control arms can offer better value or improved performance, but I make sure the brand has a good reputation. I avoid choosing solely by price because a cheaper part can wear out faster or affect alignment.
Bushings and Ball Joints
I always check the bushings and ball joints carefully. If they come pre-installed, that saves me time during installation. I also consider whether the bushings are rubber, polyurethane, or another material. Rubber usually gives me a smoother ride, while polyurethane can feel firmer and more responsive. Good ball joints matter to me because they help keep steering and suspension movement stable.
Ride Comfort and Handling
I think about how the control arm will affect the way my vehicle feels on the road. If I want comfort, I look for a design that keeps noise and vibration low. If I want sharper handling, I choose a control arm that offers better suspension control and reduced flex. I try to balance comfort and performance based on how I actually drive every day.
Ease of Installation
I prefer a rear upper control arm that is easy to install, especially if I plan to do the work myself. I check whether it comes as a complete assembly and whether the hardware is included. I also look for parts with clear instructions or a design that matches factory mounting points. If I expect a difficult install, I factor in professional labor costs before buying.
Signs of a Good Brand
I trust brands that provide clear product details, warranty coverage, and good customer reviews. I also look for companies that specialize in suspension parts because they usually understand fitment and durability better. A strong warranty gives me extra confidence that the manufacturer stands behind the product.
Price and Value
I do not always choose the cheapest option. Instead, I compare price with quality, warranty, and expected lifespan. For me, the best value is a control arm that fits well, lasts a long time, and performs consistently. I am willing to spend a little more if it saves me from replacing the part again too soon.
Final Thoughts
When I buy a rear upper control arm, I focus on fitment, material quality, bushings, and brand reliability. I have found that choosing carefully makes a big difference in ride quality, handling, and long-term durability. For me, the best purchase is the one that matches my vehicle and driving style without creating extra problems later.
Final Thoughts
I’ve found that the rear upper control arm plays a crucial role in keeping a vehicle’s suspension stable, aligned, and comfortable to drive. My key takeaway is that when this part wears out, it can affect handling, tire wear, and overall safety more than many people realize. I always recommend paying attention to signs of damage early and replacing it promptly to avoid bigger problems down the road.
Author Profile
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Dorinda Perez is the creator of Raw Creations Juice, where she combines her love for fresh produce with years of hands-on experience. Growing up in rural California, she was surrounded by orchards and family markets that sparked her passion for natural flavors.
After studying food science and working in community nutrition projects, she helped her family run a small juice stand, gaining practical knowledge about recipes and customer needs.
Today, Dorinda writes to make juicing approachable, safe, and enjoyable. Her articles balance science with everyday tips, inspiring readers to create juices and smoothies that support health and happiness.
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