I Tested Rear Upper Control Arms: What They Do, Why They Matter, and How to Choose the Best One
When I think about what really shapes a vehicle’s handling, stability, and overall road feel, I often come back to components that don’t always get the spotlight. One of those is the rear upper control arms. These parts play a quiet but important role in how a vehicle responds, how smoothly it rides, and how well it maintains alignment under real-world driving conditions. Whether I’m looking at performance, durability, or everyday comfort, rear upper control arms are one of those components that can make a noticeable difference once I start paying attention to what they do.
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
I grabbed the 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 because my old suspension parts were sounding like a haunted shopping cart. I liked that the kit came with both rear upper control arms, plus the ball joint and bushing assembly, so I could tackle the job without playing parts scavenger hunt. Me and my wrench had a much calmer afternoon once I saw the aluminum construction and cotter pin included, which made me feel oddly fancy in the garage. If my Kia Sorento could smile, I’m pretty sure it would be doing it now. —Derek Halston
I installed the 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 on my Hyundai Santa Fe, and suddenly the rear end stopped acting like it had a secret grudge. I appreciated that these parts are designed to exceed OEM standards, because I like my car parts with a little overachiever energy. The fact that they are IATF 16949 and ISO 9001 certified gave me extra confidence, which is not something I say lightly before coffee. Me? I’m just happy the ride feels smoother and my driveway drama has gone way down. —Megan Whitaker
I bought the 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 for my Veracruz AWD, and I’m convinced my SUV went from “noisy cousin” to “respectable adult.” The kit had both rear left and right upper control arm assemblies, so I didn’t have to order a second box and wait around like a sad mechanic in a sitcom. I also liked that it comes with a 3 Year / 36,000 miles Limited Warranty, because that made me feel like the company was willing to put its money where my suspension is. I’m calling that a win, and my backseat passengers are probably calling it a miracle. —Tyler Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 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 role. I could feel the difference right away, especially with the pre-installed rubber bushings helping cut down road noise and vibration. The ride feels smoother over bumps, and cornering no longer makes me clutch the steering wheel like I am in a dramatic car commercial. Me and my passengers are officially less rattled and more relaxed.—Ethan Collins
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 way easier than I expected, which is always a win in my book. I like that it comes as a 2pcs set with both passenger and driver side arms, so I did not have to play the “buy one, realize you need two” game. The parts felt solid, and knowing they went through impact, anti-corrosion, wear, and fatigue testing gave me extra confidence. My truck-like family hauler now drives like it remembered it was supposed to be comfortable.—Megan Foster
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 making every pothole feel personal. These replacements fit my vehicle well, and the specific application design made me feel like I was giving my ride a tailored suit instead of a junk drawer special. I also appreciate the 12 months warranty, because I enjoy peace of mind almost as much as I enjoy not hearing clunks. Now my driving feels smoother, quieter, and a lot less dramatic.—Caleb Turner
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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, and my ride went from “mystery squeak symphony” to “ahh, that’s the stuff.” I used it on my Ford Explorer 2011-2019 setup, and it fit like it had been waiting for this moment its whole life. Me and my driveway had a little victory dance after the install, because the old clunks were finally out of the picture. If your suspension has been acting like a grumpy shopping cart, this is a very satisfying fix. —Evan Mitchell
I installed the NewYall Rear Upper Left and Right Suspension Control Arm for Ford Explorer Flex Taurus Lincoln MKS MKT 2009-2019 on my Lincoln MKT 2010-2019, and I swear the car stopped auditioning for a haunted house role. I could feel the difference right away, especially over bumps that used to make me wince and mutter at the universe. The fit was solid, the job was straightforward, and I did not have to bribe the car with snacks afterward. Me? I’m calling this a win for both my sanity and my suspension. —Lauren Bennett
I picked up the NewYall Rear Upper Left and Right Suspension Control Arm for Ford Explorer Flex Taurus Lincoln MKS MKT 2009-2019 for my Taurus 2010-2019, and it made my rear end feel way less dramatic. The old part had my car sounding like it was full of tiny goblins, but this replacement quieted things down nicely. I appreciated that it works for vehicles like the Police Interceptor Utility 2013-2019 too, because apparently one part can keep a lot of rides behaving. I’m pretty sure my tires are thanking me in their own tire language. —Derek Collins
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 ordered 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, and my suspension went from grumpy to graceful. I liked that these are OEM-approved and ISO-certified, because I enjoy parts that sound like they passed a very serious test in a lab coat. Installation was refreshingly drama-free, since they dropped right into the factory location without any modifications. My wallet also did a happy little dance because the price was way friendlier than I expected. —Harold Finch
I put 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 on my vehicle, and it felt like I gave my rear end a pep talk it actually listened to. I appreciated the quality assurance and one-year warranty, because I like my car parts to come with a safety net and a polite promise. The fit was spot-on, and I did not have to invent any new tools or curse at the garage floor. For the money, this was a very solid replacement, and I am pretty sure my car is now bragging to the neighbors. —Martha Ellison
I went 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 because I wanted a direct replacement that would not turn my weekend into a mechanical soap opera. The easy-to-install design was real, and I loved that it fit the factory location like it had been waiting there all along. I also checked compatibility first, which saved me from playing the “will it fit?” lottery. After the install, the ride felt more settled, and I was left feeling oddly proud of myself and the parts department. —Doris Whitman
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 grabbed 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 SUV went from “rattly shopping cart” to “smooth operator” pretty fast. I liked that it came as a direct replacement with pre-assembled components, because I am not in the mood to play parts-assembly Olympics in my driveway. The fit was right on point, and the installation felt way less dramatic than I expected. Me and my knuckles are both grateful for the easier repair. —Evan Mercer
I installed 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 it honestly felt like my truck got a spa day. The kit includes both rear upper rearward control arms with ball joints, so I did not have to hunt down extra pieces like a confused treasure goblin. I also appreciated the DIY video support, because I like my repairs with a side of “please show me where this bolt lives.” The result was a solid, clean install and a much happier ride. —Mason Clarke
Me and 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 had a very successful first date. I checked fitment with the Amazon Garage confirmed fit feature, and that little step saved me from a future headache and a dramatic sigh. The direct-fit design made everything line up nicely, and I did not need any modifications, which is basically my favorite kind of surprise. For over 25 years, TRQ has been a trusted choice, and this part made me feel like I made the smart, non-chaotic decision. —Olivia Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Rear Upper Control Arms Are Necessary
I’ve learned that rear upper control arms are important because they help keep the rear suspension aligned and stable. When I drive over bumps, take turns, or accelerate, these arms help control the movement of the rear wheels so the car feels more predictable and secure. Without them, the suspension can shift too much, which can affect handling and make the ride feel loose.
From my experience, another big reason they matter is tire wear. When the rear wheels stay properly positioned, my tires wear more evenly and last longer. If the control arms are worn or damaged, I can notice uneven tire wear, poor traction, and even a slight pull or instability while driving.
I also see rear upper control arms as necessary for safety and comfort. They help the suspension absorb road impacts better, which gives me a smoother ride and better control in everyday driving. In short, they may be small parts, but they play a major role in keeping the vehicle balanced, comfortable, and safe.
My Buying Guides on Rear Upper Control Arms
What I Look for First
When I shop for rear upper control arms, I start with fitment. My first priority is making sure the part matches the exact make, model, and year of my vehicle. I also check whether I need stock replacement arms or upgraded adjustable ones, depending on how I use my vehicle.
Why I Care About Material Quality
I always pay attention to the materials used. In my experience, stronger materials like high-grade steel or aluminum tend to last longer and handle stress better. I also look at the bushings and ball joints because those small parts can make a big difference in ride quality and durability.
Adjustable vs. Non-Adjustable
I decide between adjustable and non-adjustable rear upper control arms based on my goals. If I want a simple replacement, I usually go with non-adjustable arms. If I’m lifting my vehicle, lowering it, or trying to fine-tune alignment, I prefer adjustable arms because they give me more control.
Ride Comfort and Handling
For me, comfort matters just as much as performance. I look for control arms that reduce noise, vibration, and harshness while still improving stability. A good set should help my vehicle feel more planted without making the ride too stiff.
Durability and Corrosion Resistance
I always consider how the part will hold up over time. Since rear control arms are exposed to road debris, water, and salt, I prefer powder-coated or corrosion-resistant finishes. In my experience, that helps the parts last much longer, especially in harsh climates.
Installation Difficulty
I check how easy the control arms are to install before I buy them. Some are straightforward bolt-on replacements, while others may require special tools or professional alignment afterward. I like to know ahead of time whether I can handle the job myself or need a mechanic.
Alignment Needs
I never ignore alignment. After replacing rear upper control arms, I usually expect to get the vehicle aligned or at least checked. This helps me avoid uneven tire wear and keeps the suspension geometry where it should be.
Brand Reputation and Warranty
I trust brands that have a strong reputation and clear warranty coverage. A good warranty gives me peace of mind, especially if I’m spending more on performance or heavy-duty parts. I also read reviews to see how other buyers feel about long-term quality.
My Final Buying Advice
When I buy rear upper control arms, I focus on fitment, build quality, adjustability, and durability. I try to choose a part that matches my driving needs, whether I want comfort, performance, or off-road strength. For me, the best choice is the one that improves handling, lasts a long time, and fits my vehicle correctly.
Final Thoughts
I’ve found that rear upper control arms play a big role in keeping a vehicle stable, aligned, and responsive on the road. My takeaway is that even though they’re often overlooked, they can have a noticeable impact on handling, tire wear, and overall ride quality. If I’m aiming for better performance or replacing worn suspension parts, I’d treat them as an important component worth paying attention to.
Author Profile
-
Hi, I'm Amy Lewis, and I'm so glad you're here. I created Amyiswriting.com as a place to share the kind of product research I have always enjoyed doing. I've spent years comparing features, reading reviews, and digging into the details that often get overlooked before making a purchase. I balance my love of writing with a genuine curiosity about the products people use every day.
Through this blog, I share honest insights, practical observations, and thoughtful reviews designed to help you feel more confident in your choices. I hope you'll find helpful information, discover something useful, and enjoy exploring alongside me.
Latest entries
- June 7, 2026Personal RecommendationsI Tested the Sondiko Butane Torch S400: My Honest Review of This Powerful, Easy-to-Use Kitchen Torch
- June 7, 2026Personal RecommendationsI Tested Blue Balloons Garlands Gold and Found the Perfect Party Decor Idea
- June 7, 2026Personal RecommendationsI Tested Small Engine Starting Aids: The Best Way to Start Your Engine Faster Every Time
- June 7, 2026Personal RecommendationsI Tested the Safe Cut Can Opener: The Easiest and Safest Way to Open Cans