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218.62 218.62 USD 257.20

257.20

1–3 day build time + Shipping

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Toyota 4Runner 03-24 2pc Cruise Series Rear Upper Adjustable Control Arms

SKU: CRS-T-4R-03-RU2
Fits: 1996 - 2024 Toyota 4Runner Add vehicle

218.62 218.62 USD 257.20

257.20

Build Your Kit

  • Vehicle
    Confirm this matches your vehicle. Use Shop by Vehicle to filter correctly.
  • Brand
  • Color
    Powder coat color for control arms and track bars. Does not affect performance.
  • Hardware
    Choose upgraded hardware if your factory hardware is worn, damaged, or missing.
  • Series
    Cruise: daily driving and light off-road. Camp: overlanding. Crawl: aggressive rock crawling.
  • Note to Core4x4:

Select Color to see price and add to cart.

4–8 hr install Moderate Alignment recommended Lifetime warranty on all non-wear items Made In USA

Optimize Pinion Angle and Maximize Drivetrain Efficiency

Upgrade your Toyota 4Runner’s rear suspension with the Cruise Series Rear Upper Control Arms, engineered for precise axle positioning, improved handling, and drivetrain vibration reduction. Designed for model years 2003-Present, these fully adjustable control arms allow for proper pinion angle correction, reducing driveline vibrations while optimizing rear suspension performance.

What’s Included in the Kit?

  • Cruise Series Rear Upper Control Arms (CRS-T-4R-03-RU2)

Key Features and Benefits

  • Precision Pinion Angle Adjustment – Corrects driveline geometry, reducing driveline vibrations and optimizing rear axle alignment.
  • Full Axle Control When Paired with Rear Lower Control Arms – Combine with Cruise Series Rear Lower Control Arms (CRS-T-4R-03-RL2) for complete control over axle positioning, ensuring proper articulation and alignment.
  • Adjustability for a Perfect Fit – Designed for 0 to 6-inch lifts, allowing for axle recentering and optimized suspension geometry.
  • Tapered Polyurethane Bushings – Reduces noise, vibration, and harshness (NVH) for a smoother ride and longer-lasting durability.
  • Heavy-Duty Construction – Fabricated from robust steel tubing, ensuring maximum strength and off-road durability.

Pinion Angle Correction for Reduced Driveline Vibrations

Lifting your vehicle alters the rear pinion angle, often leading to increased driveline vibrations and excessive wear on the U-joints. The Cruise Series Rear Upper Control Arms allow precise pinion angle adjustments, minimizing unwanted vibration and ensuring optimal drivetrain efficiency.

Two-Stage Powder Coating for Maximum Durability

Each Cruise Series Rear Upper Control Arm undergoes a two-stage powder coating process for superior corrosion resistance and long-term durability: Zinc primer base coat – Provides maximum rust protection. Durable top coat – Available in 10 color options, allowing for added customization and style.

Proudly Made in the USA

The Cruise Series Rear Upper Control Arms are manufactured in Orem, UT, using high-quality domestic materials. Our commitment to precision craftsmanship ensures reliable performance and unmatched durability.

Optional Hardware Upgrade

Designed for easy installation using factory hardware, these control arms can also be installed with our optional Grade 8 hardware kits, available separately, to simplify installation on vehicles with rusted or stubborn bolts.

In Conclusion

The Cruise Series Rear Upper Control Arms are an essential upgrade for Toyota 4Runner owners looking to eliminate driveline vibrations, optimize pinion angles, and improve axle control. When paired with Cruise Series Rear Lower Control Arms, this setup provides complete rear suspension control, ensuring maximum strength, improved articulation, and superior handling on and off the road.

Upgrade your 4Runner’s suspension today for a smoother, more controlled, and off-road-ready driving experience!


Make Model Submodel Years
Toyota 4Runner 1996 - 2024

Each rebuild kit includes all necessary components to replace and restore wearable parts.

Vehicle Toyota 4Runner (96–24)
Brand CORE 4X4
Color Black or Blue or Charcoal or Green or LightGreen or Orange or Purple or Red or White or Yellow or Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed.
Hardware No Hardware or Complete Kit
Series Cruise Series

See It Installed

Install videos and build guides on our YouTube channel.

Watch more installs on YouTube
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Reviews from Google

See all on Google
5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
AP
Ajay Paynter Mar 4, 2026
Google
Great company, who worked with me on shipping parts to arrive in time for a show. When I explained my concern they went above and beyond to make it happen. Quality of the parts is top notch.
RC
Ryan Colligan Mar 4, 2026
Google
I have nothing but good things to say about Core 4x4. I have the crawler series on my JKU and we take it all over the place. These parts handle everything we throw at them.
MT
Marcus Torres Jan 15, 2026
Google
Best control arms I have installed on any of my builds. After running every major manufacturer, Core 4x4 is on par or better than all the high-end companies at a fraction of the cost. Lifetime warranty is the cherry on top.
CW
Cody Whitlock Sep 24, 2025
Google
10/10 overall experience, shipping, customer service, and such a great product!
MT
Mike T Nov 23, 2025
Google
Korby and the rest of the team at Core 4x4 know there stuff and answered my question in a timely manner. They even were able to quick ship a re-build kit for me so I could get my truck back on the road- Thanks!
ZA
Zen Asher Mar 23, 2025
Google
The quality and durability of the arms are the best. They are super heavy duty. And lifetime warranty is crazy
L
luke Mar 24, 2021
Google
Excellent quality product and service. My l lower control arms broke and within the same day core 4x4 hooked me up with tier 2 arms and with the color I wanted. My Jeep rides better and has been solid for several months so far. 10/10 would recommend their products to anyone.
NP
Norb Pranger Oct 24, 2025
Google
Not sure where to start, Products or Service or Warranty. Products: I found Core4x4 through a very respected YouTuber in the Jeeping community. I purchased an entire set of Core4x4 Control Arms three years ago and have beat the daylights out of them and they are still in great condition. Now, I purchased another Jeep, this time for my daughter and bought yet another set of Control Arms because I know that these things can take a beating and stand up to it. I plan on replacing more parts on this TJ and my JL and will continue to buy from Core4x4. Service: This isn't some huge name conglomerate that treats you like you're just another customer. They are quick with responses and will always make things right should something be a problem. Oh and the quickness in which they ship their products is unmatched. I bought these CAs for my TJ on Thursday, I received them on Monday. Most other manufacturers will tell you weeks, they had them to me in 2 shipping days. Warranty: Seriously, a lifetime warranty? Yes please. Nothing more to say. I can't say enough about how great of a company this is. I've even spoken to the owner through email a few years back on some questions that I had. Support small American built businesses. P.S. Core 4x4, feel free to make me an ambassador and send me some swag :) .
D
DSI Jul 26, 2025
Google
Great products with excellent customer service after the sale
JA
Jonathan Aguilera Jan 22, 2026
Google
Great experience with Core 4x4! I purchased some suspension parts for my dad's 98 Jeep TJ. The products they make are super durable and look even better in person. Attention to detail and overall superior quality. The staff at Core 4x4 is super helpful also, Korby has been great. Updating me on the status of my order and sending me tracking numbers as well. Thank you all at Core 4x4, keep up the amazing work!
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