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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

Starting at $110/mo or 0% APR with . See if you qualify

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.

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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.
JT
Jay Taylor May 27, 2025
Google
Had a worn out set of rear upper control arms on my TJ. These were old rubicon express long arms. can’t buy replacements and no one makes a direct fit replacement. Talked with Korby at core off road sent some measurements and photos and a week later new arms showed up. Packaging was perfect fit was perfect. Would highly recommend giving these guys a call.
SC
Singer Heating and Cooling Mar 25, 2018
Google
These guys are great. You can get them on the phone for support. This important and is not always the case with other custom parts builders. Their control arms are bomb proof and offer plenty of options. You can get real genuine Currie Johnny joints without paying the price for Currie arms.
BB
Brayden Brockey Mar 23, 2024
Google
Got a set of upper control arms for my xj, really impressed with the quality
AP
Ajay Paynter Mar 9, 2026
Google
Great company, who worked with me on shipping parts, to arrive in time for a show, when I explained my concern of possibly not getting the control arms in time. Quality is amazing on the part, affordable price for what you get, and the powdercoat is top notch, not a single issue with this product, would buy again.
BC
Brad C Mar 24, 2021
Google
Outstanding experience! I asked Core to build me a set of custom control arms that were larger/heavier than they normally build. They gladly accepted the challenge and turned out an expertly crafted and super strong product ahead of schedule. Fit and finish are excellent. Spence and Cameron were a pleasure to work with every step of the way. And all of this for a very reasonable price. I highly recommend these guys!
CM
Cameron Masters Mar 24, 2023
Google
Absolutely incredible family owned business. I asked to pick up my order since I’m local and they came in on a weekend to accommodate. Had to make some adjustments to parts and took the time to make sure it was perfect. Parts are incredible quality. If you have a Jeep, do not hesitate to support this local business.
RD
Reagan D'mello Dec 23, 2025
Google
Love the product. Excellent customer support 👍🏽 …
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