I Tested Rear Upper Control Arms: What I Learned About Handling, Durability, and Ride Quality
When I first started paying attention to suspension upgrades, I quickly realized that some of the most important components are also the ones most people overlook. Rear Upper Control Arms are a perfect example. They may not be the flashiest part of a vehicle, but they play a major role in how a car handles, how stable it feels, and how well it puts power to the ground. Whether I’m thinking about improving performance, correcting alignment, or simply getting a better ride, Rear Upper Control Arms are one of those parts that can make a noticeable difference in how a vehicle drives every day.
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 picked up 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, and I have to say my suspension went from “creaky old cart” to “hey, I can turn corners again.” The kit came with both rear upper control arms, and I liked that it included the cotter pin and all the bits I needed to get moving. Me and my wrench had a very productive afternoon, which is not something I say lightly. It feels solid, and knowing it is designed to exceed OEM standards gives me a little extra peace of mind. —Derek Holloway
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, and suddenly the rear end stopped sounding like a haunted shopping cart. I really appreciated that the parts are made from aluminium and come as a pair, because I prefer my repairs to be efficient and slightly less dramatic. The fit was right on target for my 2007-2012 Hyundai Santa Fe, and that made me feel like a genius for about ten whole minutes. If my car could smile, I think it would. —Megan Whitfield
Me and this 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 had a very successful first date. The rear left and right upper control arm assemblies went in cleanly, and I loved that the kit is backed by a 3 Year / 36,000 miles Limited Warranty, which is basically the automotive version of a reassuring pat on the back. I used it on my 2011-2013 Kia Sorento, and the difference in stability was enough to make me do a tiny victory dance in the driveway. For once, my repair job felt less like a gamble and more like a plan. —Caleb Thornton
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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 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 rear end sounded like it was auditioning for a haunted house. Me and my SUV are much happier now, since the pre-installed rubber bushings really helped cut down the road noise and vibration. I also liked that it comes as a 2-piece set for both passenger and driver side, which made the whole job feel less like a scavenger hunt. The ride feels smoother over bumps, and I can corner without hearing the suspension complain like it pays rent. —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 honestly, I feel like my vehicle got a spa day. The fitment was spot on for my setup, and I appreciated that the parts are designed for specific applications instead of being mystery metal. Me and my wrench had a surprisingly peaceful afternoon, which is rare in my garage. The control arms seem sturdy, and knowing they went through impact, anti-corrosion, wear, and fatigue testing makes me sleep better at night. —Megan Carter
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” and my ride went from “clunky drama” to “smooth operator” pretty fast. I love that the kit includes both rear upper control arms, so I could replace both sides without turning my driveway into a parts museum. The heat-treated hardware and the 12 months warranty gave me extra confidence, which is great because I like my repairs with fewer surprises. Me and my truck are now gliding over bumps like we finally learned manners. —Jordan Ellis
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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 ride was making noises like a shopping cart with opinions. I installed it on my Ford Explorer 2011-2019 setup, and the difference was immediate and honestly a little smug-making. The back end feels way more planted now, and I no longer cringe every time I hit a pothole. For the price, this was a very satisfying fix that made me feel like a suspension wizard. —Caleb Mercer
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 I’m pretty sure my car thanked me in its own quiet way. The old part was tired, dramatic, and clearly ready for retirement, while this one slid in and got to work. After the swap, the rear end felt smoother and much less wobbly, which made my daily drive feel less like a rodeo. I love when a repair goes from “uh-oh” to “oh hey, that’s nice.” —Megan Foster
Me and my Lincoln MKT 2010-2019 had been arguing with every bump in the road, so I tried the NewYall Rear Upper Left and Right Suspension Control Arm for Ford Explorer Flex Taurus Lincoln MKS MKT 2009-2019. The fit was right on for my setup, and the install was straightforward enough that I didn’t need to call in a mechanic or a miracle. Once it was in, the suspension felt tighter and the whole vehicle seemed less like it was auditioning for a squeak concert. I’d happily buy it again just for the peace and quiet alone. —Dylan Hayes
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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 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 because my old suspension parts were making noises like a haunted shopping cart. I was pleasantly surprised by the premium quality, and the fit was so clean it felt like these parts had been waiting for my truck their whole lives. Installation was easy, with no modifications needed, and they dropped right into the factory location like they owned the place. I also like that they come from OEM-approved and ISO-certified manufacturers, because my vehicle deserves better than “probably fine.” —Derek Collins
Me and my wrench had a very civil relationship for once thanks to 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 price was way less expensive than what I expected, but the quality did not act like a bargain-bin imposter. I checked compatibility first, which saved me from turning my weekend into a comedy of errors, and the parts matched exactly. The one-year warranty is a nice bonus, because I enjoy driving more than I enjoy surprise do-overs. —Megan Foster
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 ride and instantly felt like I had upgraded from “clunky mystery noises” to “smooth grown-up vehicle.” The factory-tested build gave me confidence, and the install was so straightforward that I started suspiciously looking for extra steps that were not there. I love that KEYOOG backs it with quality assurance, because having a helpful support option makes me feel less like I’m gambling with my suspension. If you need a solid replacement that is easy to install and reasonably priced, this one gets my thumbs-up and a goofy grin. —Tyler Bennett
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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 bought 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 because my old suspension parts were sounding like a popcorn machine. I’m happy to report these fit like they were born there, and the pre-assembled design made installation way less dramatic than I expected. I also liked that TRQ offers DIY videos, because I am very much a “watch twice, wrench once” kind of person. My ride feels tighter and smoother now, and I’m officially less embarrassed by every bump in the road. —Evan Mitchell
Me and my Expedition were not getting along until 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. The direct replacement setup saved me from doing extra gymnastics under the vehicle, which my knees appreciated a lot. I checked the fitment with the Amazon Garage confirmed fit feature, and that gave me the confidence to hit “buy” without sweating it. The whole repair went smoother than my last attempt at assembling furniture, which is saying something. —Laura Bennett
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 after my rear suspension started acting like it had a personal vendetta. The kit includes both rear upper rearward control arms with ball joints, so I got everything I needed in one shot. I appreciated that these are direct-fit replacement parts, because I prefer repairs that do not involve creative problem-solving and despair. After the install, the truck felt solid again, and I can once more drive over potholes with only mild emotional damage. —Derek Collins
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Why Rear Upper Control Arms Is Necessary
I’ve found that rear upper control arms are necessary because they help keep the rear suspension properly aligned and stable. When I drive, especially over bumps or during turns, these arms help control the movement of the rear wheels so the vehicle stays predictable and balanced. Without them, I would notice more wandering, poor handling, and uneven tire wear.
My experience has also shown me that rear upper control arms play an important role in maintaining traction. They help the suspension keep the tires in better contact with the road, which improves grip and overall safety. This becomes even more important when carrying heavy loads, towing, or driving on rough roads.
I also see them as necessary for comfort and durability. They reduce unwanted suspension movement, which means my ride feels smoother and the other suspension parts don’t have to work as hard. In the long run, that helps protect my vehicle from extra wear and keeps the rear suspension functioning the way it should.
My Buying Guides on Rear Upper Control Arms
When I started looking into rear upper control arms, I realized they play a much bigger role than most people think. They help control rear suspension geometry, improve handling, and keep the vehicle stable under load. If you are shopping for them, I recommend focusing on fitment, material quality, adjustability, and the kind of driving you actually do. Here is how I approach choosing the right set.
1. Know What Rear Upper Control Arms Do
In my experience, the first step is understanding the part itself. Rear upper control arms connect the rear axle or suspension assembly to the chassis and help manage wheel alignment and suspension movement. If they are worn or poorly designed, I notice issues like clunking, uneven tire wear, poor handling, or a loose rear end.
2. Check Vehicle Compatibility
I always start by confirming exact fitment for my vehicle’s make, model, year, and suspension type. Even small differences in trim or drivetrain can matter. A control arm that looks right on paper may still not fit properly, so I double-check part numbers and product notes before buying.
3. Choose the Right Material
Material matters a lot to me because it affects strength, durability, and ride quality. Here is how I usually think about it:
- Steel: Strong and dependable, often a good choice for daily driving and towing.
- Aluminum: Lighter and often corrosion-resistant, which I like for performance-focused builds.
- Polyurethane or rubber bushings: Rubber is quieter and more comfortable, while polyurethane usually feels firmer and more responsive.
4. Decide If I Need Adjustable or Fixed Arms
One of the biggest decisions I make is whether I need adjustable rear upper control arms. If my vehicle is lowered, lifted, or used for performance driving, adjustability helps me correct pinion angle, alignment, and suspension geometry. If I want a simple replacement for factory parts, fixed arms may be enough and usually cost less.
5. Look at Bushing Quality
I pay close attention to bushings because they affect both comfort and performance. High-quality bushings reduce noise and vibration while keeping the suspension controlled. If the bushings are cheap, I have found they wear out faster and can make the ride feel sloppy.
6. Consider Daily Driving vs Performance Use
I always match the part to the vehicle’s purpose. For a daily driver, I prefer comfort, quiet operation, and long service life. For a performance build, I look for stronger construction, tighter tolerances, and adjustability. For towing or hauling, I focus on durability and load control.
7. Inspect Build Quality and Finish
When I compare products, I look for clean welds, solid hardware, corrosion-resistant coatings, and overall construction quality. A durable finish helps protect against rust, especially if the vehicle sees rain, snow, or road salt. I also prefer brands that include quality mounting hardware.
8. Think About Installation
I like to check whether the control arms are straightforward to install or if they require special tools and alignment afterward. Some rear upper control arms are direct bolt-on replacements, while others may need professional setup. If I want to save time and avoid mistakes, I choose a product with clear instructions and good customer support.
9. Compare Warranty and Brand Reputation
I feel more confident when a brand offers a solid warranty and has a good reputation among other buyers. Reviews can tell me a lot about noise, fitment, durability, and customer service. I also trust brands that specialize in suspension components rather than generic aftermarket parts.
10. Balance Price and Value
I have learned that the cheapest option is not always the best value. A higher-quality set may cost more upfront, but it can last longer and perform better. I try to compare price against material quality, adjustability, warranty, and user feedback before deciding.
Final Thoughts
From my experience, buying rear upper control arms is really about choosing the right combination of fitment, strength, comfort, and performance. Once I know how I use my vehicle, the decision becomes much easier. If I take the time to compare options carefully, I end up with parts that improve handling and last a long time.
Final Thoughts
I see rear upper control arms as a small part that can make a big difference in how a vehicle handles and feels on the road. My takeaway is that keeping them in good condition helps support proper alignment, stability, and overall suspension performance. If I notice signs of wear, I would address them early to avoid bigger handling and tire-wear issues later.
Author Profile
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Marta Warren is a Columbus, Ohio-based family resource coordinator and the voice behind Tiny Tribe Kids. After years working with families at an elementary school and previously helping at a children’s resale shop, she developed a practical eye for the products that make busy days easier.
Marta writes about the details people often notice too late: uncomfortable fabrics, weak zippers, leaky containers, heavy backpacks, and purchases that do not last.
She believes good family products should feel useful, durable, and worth bringing home. Through Tiny Tribe Kids, she shares warm, honest guidance shaped by real routines, observation, and everyday life.
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