Superior Off-Road Performance
Take your Jeep Gladiator JT’s suspension to the next level with our Crawl Series Rear Upper Control Arms. Specifically designed for model years 2020-Present, these control arms are built to deliver exceptional off-road flexibility, improved axle control, and enhanced on-road comfort for an unparalleled driving experience.
Key Features and Benefits
- Enhanced Off-Road Flexibility – Equipped with Johnny Joints at both ends, these control arms provide superior articulation, improving your vehicle's ability to tackle uneven terrain while maintaining road comfort.
- Adjustability for Pinion and Axle Control – Designed to accommodate lifts from 0 to 6 inches, these control arms allow for precise pinion angle adjustments and help re-center your rear axle when paired with our adjustable lower control arms.
- High-Strength Construction – Crafted from 1.75″ OD DOM Tubing with a 5/16” wall thickness, these control arms exceed industry standards for strength and durability, making them resilient in the harshest environments.
- Optimized Rear-End Solution – For the most complete rear-end upgrade, pair these upper control arms with the Crawl Series Rear Lower Control Arms and Rear Track Bar to achieve optimal suspension geometry and stability.
Unmatched Adjustability for Rear-End Control
Our Crawl Series Rear Upper Control Arms provide unmatched control over your suspension setup. With left- and right-hand threading for easy adjustments while installed, these arms simplify the process of dialing in your rear axle's alignment and pinion angle. Whether you’re fine-tuning for a smoother ride or adjusting for off-road challenges, these control arms deliver precision and performance.
Two-Stage Powder Coating for Superior Protection
To ensure long-lasting durability and corrosion resistance, these control arms undergo a rigorous two-stage powder coating process. Zinc primer base coat – Provides advanced protection against rust and environmental elements. Durable top coat – Available in 10 custom color options to add a personalized finish that matches your Jeep’s style.
Made in the USA
Proudly manufactured in Orem, UT, our Crawl Series products reflect the highest standards of American craftsmanship. By sourcing materials locally and maintaining rigorous quality control, we ensure that each component offers reliable performance and long-term durability.
Optional Hardware Upgrade
Designed for straightforward installation with factory hardware, these control arms make upgrading your suspension system simple and efficient. Optional Grade 8 hardware kits are available separately for tackling rusted or stubborn bolts with ease.
Vehicle Fitment: Jeep Gladiator JT 20+ – Improve suspension flexibility, rear axle control, and on-road comfort with premium rear upper control arms designed for precision alignment and durability in extreme off-road conditions.
CORE Advantage: Enhance rear suspension performance with fully adjustable control arms that correct pinion angle, re-center the rear axle, and maximize articulation for smoother handling on rough terrain and daily driving.
Adjustability: Engineered for lift heights from 0 to 6 inches, these control arms allow precise tuning of axle alignment and pinion angle. Left- and right-hand threads enable quick adjustments without removal for hassle-free fine-tuning.
Construction: Built from 1.75” OD 5/16” wall DOM tubing, these heavy-duty control arms feature Johnny Joints at both ends, delivering unmatched strength, articulation, and longevity for the toughest off-road challenges.
Two-Stage Powder Coating: Zinc primer base and top coat available in 10 vibrant colors protect against corrosion and allow for personalized styling of your rig.
Warranty and Origin: Proudly manufactured in the United States, our product includes a lifetime warranty on all non-wear items, providing you with confidence and peace of mind in your purchase.
Built With
Rear Upper control arms built with 1.75” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1.25” x 12 TPI - 2.625” long threads.
| Make | Model | Submodel | Years |
|---|---|---|---|
| Jeep | Gladiator | 2020 - Present |
Each rebuild kit includes all necessary components to replace and restore wearable parts.
Construction & Materials
Rear Upper control arms built with 1.75” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1.25” x 12 TPI - 2.625” long threads.
| Vehicle | Jeep Gladiator JT (20–Present) |
| 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. |
| Series | Crawl Series |
| Hardware | No Hardware or Complete Kit |
| Lift Size | 0" — 6" or 6"+ |
| Placement on Vehicle | Rear Upper, Rear |
| Mounting Style | Bolt-On |
Reviews of Core 4x4
Accessories & Add-ons
Jeep Gladiator JT 20+ 8pc Crawl Series Adjustable Control Arm Kit
$ 1,611.70
Jeep Gladiator JT 20+ 10pc Crawl Series Adjustable Control Arm, Track Bar Kit
$ 2,047.45
Jeep Gladiator JT 20+ 12pc Crawl Series Adjustable Control Arm, Track Bar, Steering Kit
$ 3,202.45
Jeep Gladiator JT 20+ 16pc Crawl Series Adjustable Control Arm, Track Bar, End Link Kit
$ 3,727.45
Jeep Gladiator JT 20+ 2pc Crawl Series Rear Lower Adjustable Control Arms
$ 498.70
Jeep Gladiator JT 20+ 4pc Crawl Series Rear Adjustable Control Arm Kit
$ 923.95Specifications
| Color | Black, Blue, Charcoal, Green, LightGreen, Orange, Purple, Red, White, Yellow, Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed. |
| Hardware | No Hardware, Complete Kit |
| Lift Size | 0" — 6", 6"+ |
| Vehicle | Jeep Gladiator JT (20–Present) |
| Brand | CORE 4X4 |
| Series | Crawl Series |
| Note to Core4x4: | - |
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