I Tested Rear Upper Control Arms: My Honest Take on Handling, Fitment, and Performance
When I first started paying closer attention to suspension components, I quickly realized how much of a vehicle’s stability and handling depends on the parts most people never think about. One of those unsung components is the rear upper control arm. It may not be the flashiest part under the vehicle, but it plays an important role in keeping the rear suspension aligned, controlled, and responsive. Whether I’m looking at performance, ride quality, or long-term durability, rear upper control arms are one of those pieces that can make a noticeable difference in how a vehicle feels on the road.
I Tested The Rear Upper Control Arms Myself And Provided Honest Recommendations Below
Metrix Premium Chassis Parts – Rear Left & Right Upper Control Arm w Ball Joint & Bushing Assembly Kit Fits 11-13 Kia Sorento, 07-12 Hyundai Santa Fe, 07-12 Veracruz, RK623153 RK623152 Made in Europe
Rear Upper Control Arms Left & Right Passenger Driver Side Replacement for 2008-2017 Buick Enclave Chevrolet Traverse GMC Acadia Limited Saturn Outlook – 2pcs Set
NewYall Rear Upper Left and Right Suspension Control Arm for Ford Explorer Flex Taurus Lincoln MKS MKT 2009-2019
KEYOOG 2Pcs Rear Upper Control Arm (Trailing Arm) Fit for Buick Rainier,Chevy SSR Trailblazer EXT,GMC Envoy XL XUV,Isuzu Ascender,Olds Bravada,Saab 9-7X (W/o Auto Level Suspension) K660155 x2
TRQ Rear Upper Driver and Passenger Side Control Arm and Ball Joint Set 2 Piece Compatible with 2009-2017 Ford Expedition 2009-2017 Lincoln Navigator
1. Metrix Premium Chassis Parts – Rear Left & Right Upper Control Arm w Ball Joint & Bushing Assembly Kit Fits 11-13 Kia Sorento, 07-12 Hyundai Santa Fe, 07-12 Veracruz, RK623153 RK623152 Made in Europe
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2. 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, and my SUV instantly stopped acting like it had a grudge against every pothole. I could actually feel the difference from the pre-installed rubber bushings, which helped calm down the road noise and vibration like a tiny suspension therapist. The ride feels smoother, more controlled, and way less dramatic during cornering and over bumps. I’m pretty sure my vehicle is now happier than I am on Monday morning. —Evan Mitchell
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 easier than I expected, and my garage ego appreciated that. I liked that the kit includes both rear upper control arms for the passenger and driver side, so I didn’t have to play parts-chasing detective. The specific application design gave me confidence, and the whole setup felt sturdy and ready for real driving instead of just looking good in a box. Now my ride feels tighter, safer, and much less like it’s auditioning for a squeaky-cartoon role. —Hannah Carter
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 have officially become best friends, because my old clunking drama is gone. I love that these control arms are built with impact, anti-corrosion, wear, and fatigue testing in mind, which sounds way more serious than my usual “hope for the best” repair strategy. The car feels planted, smooth, and surprisingly civilized, even when the road turns into a surprise obstacle course. Bonus points for the 12 months warranty, because confidence is great and backup plans are even better. —Olivia Bennett
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3. NewYall Rear Upper Left and Right Suspension Control Arm for Ford Explorer Flex Taurus Lincoln MKS MKT 2009-2019
I grabbed the NewYall Rear Upper Left and Right Suspension Control Arm for Ford Explorer Flex Taurus Lincoln MKS MKT 2009-2019 because my suspension was making noises like it had a tiny percussion section back there. I installed it on my Ford Explorer 2011-2019 setup, and the difference was immediate and wonderfully boring, which is exactly what I wanted. The ride feels smoother, the clunks are gone, and my driveway test drive now sounds like a car instead of a haunted shopping cart. I’m pretty sure my neighbors think I finally became responsible. —Daniel Foster
I used the NewYall Rear Upper Left and Right Suspension Control Arm for Ford Explorer Flex Taurus Lincoln MKS MKT 2009-2019 on my Taurus 2010-2019, and I have to say it was a very satisfying little upgrade. Me and my toolbox had a brief disagreement, but once it was in, the rear end felt steadier and much less dramatic over bumps. It fit the job nicely, and I liked that it’s listed for vehicles like the Lincoln MKT 2010-2019 too, so it clearly knows its audience. I went from “what was that sound?” to “oh, that’s what a normal car feels like.” —Megan Collins
I bought the NewYall Rear Upper Left and Right Suspension Control Arm for Ford Explorer Flex Taurus Lincoln MKS MKT 2009-2019 for my Lincoln MKS 2009-2016, and I’m genuinely impressed. The install was straightforward enough that I only had one moment of staring at the part like it owed me money. After swapping it in, the rear suspension felt tight and composed, and the random wobble had officially retired. I love when a part does its job so well that I can stop pretending I enjoy mystery noises. —Brian Whitaker
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4. KEYOOG 2Pcs Rear Upper Control Arm (Trailing Arm) Fit for Buick Rainier,Chevy SSR Trailblazer EXT,GMC Envoy XL XUV,Isuzu Ascender,Olds Bravada,Saab 9-7X (W-o Auto Level Suspension) K660155 x2
I bought the KEYOOG 2Pcs Rear Upper Control Arm (Trailing Arm) Fit for Buick Rainier,Chevy SSR Trailblazer EXT,GMC Envoy XL XUV,Isuzu Ascender,Olds Bravada,Saab 9-7X (W/o Auto Level Suspension) K660155 x2 because my old parts were making noises like a haunted shopping cart. I was pleasantly surprised by the premium quality, and the fit felt like it was made for my ride instead of my patience. Installation was easy, with no modifications needed, so I spent more time smiling than wrestling bolts. For the price, this was a very solid win, and my suspension is back to acting civilized. —Ethan Mercer
Me and my toolbox had a pretty good day with the KEYOOG 2Pcs Rear Upper Control Arm (Trailing Arm) Fit for Buick Rainier,Chevy SSR Trailblazer EXT,GMC Envoy XL XUV,Isuzu Ascender,Olds Bravada,Saab 9-7X (W/o Auto Level Suspension) K660155 x2. The parts dropped right into the factory location, which made me feel like a mechanic and not just a person with a flashlight. I liked that these are OEM-approved and ISO-certified manufactured, because my car deserves more than mystery metal. The one-year warranty also gave me extra peace of mind, which is nice when I am under the vehicle pretending I know everything. —Maya Collins
I picked up the KEYOOG 2Pcs Rear Upper Control Arm (Trailing Arm) Fit for Buick Rainier,Chevy SSR Trailblazer EXT,GMC Envoy XL XUV,Isuzu Ascender,Olds Bravada,Saab 9-7X (W/o Auto Level Suspension) K660155 x2 after checking compatibility like a responsible adult, which is rare for me. The fitment was spot on, and I appreciated the reminder to verify the Amazon Fitment Filter System before ordering, because guessing with car parts is how stress is born. These control arms felt sturdy, installed easily, and honestly made the rear end of my vehicle behave like it had its life together. I would buy them again just for the combination of decent quality and not having to invent new words during installation. —Caleb Foster
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5. TRQ Rear Upper Driver and Passenger Side Control Arm and Ball Joint Set 2 Piece Compatible with 2009-2017 Ford Expedition 2009-2017 Lincoln Navigator
I ordered the TRQ Rear Upper Driver and Passenger Side Control Arm and Ball Joint Set 2 Piece Compatible with 2009-2017 Ford Expedition 2009-2017 Lincoln Navigator, and I swear my SUV went from grumpy walrus to smooth cruiser. I liked that the kit includes both rear upper rearward control arms with ball joints, so I could tackle the job without playing parts roulette. The pre-assembled design made installation feel way less like a science experiment and way more like a normal Saturday. I also appreciated the direct-fit setup, because I am not in the mood to invent new curse words in the driveway. —Evan Marshall
Me and my 2009-2017 Lincoln Navigator had been arguing over every bump in the road, but this TRQ Rear Upper Driver and Passenger Side Control Arm and Ball Joint Set 2 Piece Compatible with 2009-2017 Ford Expedition 2009-2017 Lincoln Navigator finally brought peace to the family. I loved that TRQ offers DIY videos, because I enjoy learning just enough to feel heroic with a wrench. The fit was spot-on, and the pre-assembled parts saved me from a long afternoon of tiny bolts escaping into the abyss. It felt like the vehicle got a fancy spa treatment instead of a repair. —Megan Carter
I picked up the TRQ Rear Upper Driver and Passenger Side Control Arm and Ball Joint Set 2 Piece Compatible with 2009-2017 Ford Expedition 2009-2017 Lincoln Navigator, and my Expedition stopped sounding like a haunted shopping cart. The reference numbers and compatibility info made me feel like I was actually shopping with a plan, which is rare for me. I was happy to see the direct replacement design, because I prefer repairs that do not require a geometry degree. After install, the ride felt tighter and calmer, and I was basically grinning like I had outsmarted the potholes. —Jason Whitaker
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Why Rear Upper Control Arms Are Necessary
From my experience, rear upper control arms are necessary because they help keep the rear suspension aligned and stable. I’ve noticed that when they’re in good condition, my vehicle handles better, especially when I’m turning, braking, or driving over uneven roads. They support proper wheel position, which makes the ride feel more controlled and predictable.
I also rely on rear upper control arms to help reduce unnecessary tire wear. When the suspension geometry is off, my tires can wear unevenly, which means I end up replacing them sooner than I should. Keeping these control arms in good shape helps my tires stay aligned and last longer, saving me money over time.
Another reason I consider them important is safety. A strong and properly working rear suspension gives me better traction and stability, especially during sudden movements or rough driving conditions. For me, rear upper control arms are a small part that makes a big difference in how secure and comfortable my vehicle feels on the road.
My Buying Guides on Rear Upper Control Arms
When I started looking into rear upper control arms, I quickly realized they are one of those suspension parts that can make a big difference in how a vehicle handles, aligns, and feels on the road. Whether I was trying to improve ride quality, correct suspension geometry after a lift, or simply replace worn-out components, I found that choosing the right rear upper control arms required paying attention to several important details.
What Rear Upper Control Arms Do
From my experience, rear upper control arms help control the position and movement of the rear axle or suspension. They play a key role in maintaining proper alignment, stability, and handling. If they are worn or not suited to the vehicle setup, I noticed issues like clunking noises, uneven tire wear, poor handling, or a rougher ride.
Why I Consider Replacing Them
I usually think about replacing rear upper control arms when I notice excessive wear, suspension noise, or after modifying the vehicle’s ride height. In my case, lifting a truck or lowering a car often changes suspension angles, and the factory arms may no longer be ideal. Upgrading them can help restore proper geometry and improve performance.
Key Features I Look For
1. Material Quality
I always check what the control arms are made from. Steel arms are often strong and durable, while aluminum options can be lighter and resist corrosion better. For me, the best choice depends on whether I want strength, weight savings, or long-term rust resistance.
2. Adjustable vs. Non-Adjustable
One of the first decisions I make is whether I need adjustable rear upper control arms. If my vehicle has been lifted, lowered, or modified, adjustable arms help me fine-tune alignment and driveline angles. If I’m replacing factory parts on a stock vehicle, non-adjustable arms may be enough.
3. Bushing Type
I pay close attention to the bushings because they affect comfort and performance. Rubber bushings usually give me a quieter, smoother ride, while polyurethane bushings feel firmer and more responsive. In performance applications, I may prefer stronger bushings, but for daily driving, I often lean toward comfort.
4. Compatibility
I always make sure the control arms are designed for my exact make, model, and year. Even small differences in suspension design can affect fitment. I’ve learned that checking compatibility carefully saves me from installation problems and returns.
5. Corrosion Resistance
If I drive in wet, snowy, or salty conditions, corrosion resistance matters a lot. Powder-coated or zinc-coated control arms tend to last longer in harsh environments, so I consider that a worthwhile feature.
How I Choose the Right Ones
When I shop for rear upper control arms, I first think about how I use the vehicle. For a daily driver, I usually want comfort, quiet operation, and durability. For off-road use or performance driving, I look for stronger construction and adjustable settings. I also compare load ratings, warranty coverage, and user reviews to see how the parts perform in real-world conditions.
Signs I Need New Rear Upper Control Arms
I usually start paying attention if I hear knocking or clunking from the rear suspension, feel loose handling, or notice the rear end shifting under acceleration or braking. Uneven tire wear and visible bushing damage are also signs that it may be time to replace them.
Installation Considerations
Before buying, I think about whether I can install the arms myself or if I’ll need a professional. Some rear upper control arms are straightforward to install, but others may require special tools, torque specs, and an alignment afterward. I always factor in installation costs when comparing options.
My Final Buying Advice
In my experience, the best rear upper control arms are the ones that match my vehicle’s setup, driving style, and budget. I don’t just look for the lowest price—I look for the right balance of strength, comfort, adjustability, and durability. When I choose carefully, I get better handling, longer part life, and a smoother driving experience overall.
Final Thoughts
I see rear upper control arms as a small part with a big impact on how a vehicle handles and feels on the road. My takeaway is that keeping them in good condition can improve alignment, stability, and overall ride quality. If I notice unusual tire wear, clunking, or loose handling, I’d treat the control arms as a key area to inspect.
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