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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

257.20 257.2 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.

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.
NM
Noah Myers Mar 23, 2024
Google
I contacted these guys on a Saturday through email and needed some control arms by the following weekend, Spence got back with me and told me he would make sure the order got shipped out on Monday, they got busy and wasn’t able to ship the package out so he got back with me that evening and upgraded my shipping for free and shipped out the next day, only because he told me he’d make sure I’d have them by the weekend! This company sticks to their word! The customer service from these guys are unmatched and they will have another lifetime customer here!
D
Don Jul 26, 2025
Google
Great shop, great parts and great service. You want to buy off this company and company’s like this!!!! Wish we had more companies as good as this one!! Thank you
OA
Owen Adams Sep 24, 2025
Google
These guys are awesome I messed up my address on my order somehow and they were so so helpful Korby was right there every step to a solution very communicative and respectful I will definitely be ordering parts with them in the future!
CL
Colten Lockwood Mar 25, 2019
Google
Recieved warrenty exchanges for my control arms last night couldnt be happier!!! Lets talk about the arms tho! Great quality arms in multiple styles and colors!!! I purchased the teir 3 short arns for my 98 xj. I can say that they setoff nicely so my 35 inch tires do not rub! As long as you can get a photo or video of broken hardware core will take care of you. The body of the arm is bulletproof. However make sure to maintain and grease the joints regularly as with any greaseable joint and they shouldkast forever. I had a few problems arise a year after purchase and after some troubleshooting spence was able to help get me the correct parts to get back on the road. I recommend this setup to any and all jeepers looking to get away from the stock arm setup. Alltogether i am Very happy with the performace of my control arms!!!! Mechanic and bodyman of 12 years and my first choice for quality control arms!!
MD
Mark DiGrappa Apr 27, 2025
Google
First off: Korby, the gentleman that helped me decide on which kit to go with is EASILY the nicest, and most patient person I’ve dealt with, when ordering parts for this build. Second: the quality of the product is INSANE! These parts are so nicely fabricated, then powder coated for extra longevity, and they even offer an aluminum upgrade in some cases (which I went with, to save weight). Having said all of this, the most impressive thing was the lead time. These parts are build to order, and I literally ordered my suspension one week ago, today! Yes, they built, powder coated, packaged, shipped my suspension components (RAM 1500 Track rear trailing arm full set in 7075 aluminum, and front upper control arms), AND they arrived, all within a week! Granted, that I’m only one state away, but WOW!!! One week?! Amazing! So, in sort: excellent products, which arrived excellently packaged (no damage, an boxes not over-stuffed with heavy suspension parts; three boxes total, as opposed to one super heavy one…my back thanks you), super quickly, and customer service that ANY business would be envious of….so, if you’re in the market, absolutely go with Core 4X4!
GH
Gary Haag Aug 25, 2025
Google
Ordered a set of Core 4x4 control arms for my 2006 Jeep TJ. These are some heavy duty quality control arms. Can't wait to get them installed. Great customer service too!
RR
Ryan Rogers Aug 25, 2025
Google
I purchased a set of the Cruiser Series control arms for my Jeep Jk based on postive reviews from different Jeep Facebook pages. Ordered and 2 days later realized they had the very same exact arms on sale in the overstock section. Called them up and they refunded me the savings from my original purchase. Amazing, honest service. Can't wait to get them installed. Keep up the good work guys.
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