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CORE 4X4 · Suspension SKU: CRL-J-JT-RU2

Jeep Gladiator JT 2pc Kit

Adjustable control arms — rear upper · fits 0–6″+ lift

Jeep Gladiator JT 20+ 2pc Crawl Series Rear Upper Adjustable Control Arms
$415.76 $472.45 Save $57

CRUISE from $222 · CAMP $305

$ 415.76 415.76 USD $ 472.45

$ 472.45

Save $ 56.69

Built to order, usually ships in 1–3 days.
Enter ZIP for arrival estimate Delivery date by ZIP
Order by 3:00 PM MT today — we'll start tomorrow
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COLOR Pick yours
100% bolt-on, no welding Made in USA · Orem, Utah You break it, we replace it Joints you rebuild instead of replace
Mounting hardware included
Talk to an Expert: 385-375-2104
Lift Size
What size lift will the parts be used on?
1
https://jerdev.core4x4.com/web/image/product.template/2172/image_1920?unique=edc21f3
CORE 4X4 · Suspension

Jeep Gladiator JT 2pc Kit

Jeep Gladiator JT 20+ 2pc Crawl Series Rear Upper Adjustable Control Arms

Adjustable control arms — rear upper · fits 0–6″+ lift

Does not fit your Ford F250 Shop parts that fit ›

COLOR Pick yours

Build Your Kit

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  • Brand
  • Color
  • Series
  • Hardware
  • Lift Size
  • Note to Core4x4:

$ 415.76 415.76 USD $ 472.45

$ 472.45

Save $ 56.69

Select Color to see price and add to cart.

Mounting hardware included
100% bolt-on, no welding Made in USA · Orem, Utah You break it, we replace it Joints you rebuild instead of replace
Talk to an Expert: 385-375-2104
Built to order, usually ships in 1–3 days.
Enter ZIP for arrival estimate Delivery date by ZIP
Order by 3:00 PM MT today — we'll start tomorrow
See full timeline
Core 4x4 Manufactured Social 15 Promo Eligible

Alignment recommended You break it, we replace it. Made In USA

Made in USA Orem, Utah
You break it, we replace it Warranty on non-wear items
10 Colors In-house powder coat
Fully Adjustable 0-6" of lift
3 X-Series Options Only Core 4x4

Product Details

Make Model Submodel Years
Jeep Gladiator 2020–Present

  • 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. You break it, we replace it.

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.

Johnny Joints both endsJoints
1.75" OD lowers / 1.50" OD uppersTubing
5/16" DOMWall
Periodic greasingMaintenance

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

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.

 

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

Use the vehicle selector on our website to shop by your year, make, and model. On product pages, use the kit builder to select your color, series, and any add-on options, then add to cart — you’ll confirm your lift height at checkout. If you need help, call or email our team.

Standard orders typically ship within 1–3 business days of ordering. Custom color orders take approximately 5–10 business days. Because everything is built in-house, we can turn orders quickly even for custom specifications.

You can reach our team through the contact form on our website, or browse to the Contact Us page. Our team is available to answer pre-sale and technical questions before and after your purchase.

Google

Store reviews on Google

See all on Google
5.0
★ ★ ★ ★ ★
132 reviews
5 ★
97%
4 ★
2%
3 ★
0%
2 ★
1%
1 ★
0%
JM
Jay Miller Jul 26, 2025
★ ★ ★ ★ ★ Google
I purchased a upper and lower set of control arms from core 4x4 they came early then expected and seem to be very nice quality I ran into a complication installing them and emailed them my question I was expecting to get the response maybe the next day because it was after hours I got a response in about a few minutes which allowed me to finish the project that day I super appreciate that, the products are good strong lifetime warranty and their customer service is top notch
BS
Bailey Smith Mar 23, 2025
★ ★ ★ ★ ★ Google
Core 4x4 excels with precision and service and keeps nothing else higher in mind. Everyone I've met at the company is very honest and down to earth, 10/10 would recommend.
BW
Brian Wadsworth Jun 26, 2025
★ ★ ★ ★ ★ Google
Amazing product! Shipping was quick, packaging was great and support was outstanding!!
SH
Shawn Hooten Apr 27, 2025
★ ★ ★ ★ ★ Google
Great products, shipped the next day during a big sale event. Core 4x4 gets it right and gets it done! Thank you all.
JW
Jonathan Word Aug 25, 2025
★ ★ ★ ★ ★ Google
Beefy parts made and painted well, very fair pricing for what you get, and fantastic customer service to boot. Easily my favorite place to get suspension parts.
DT
Dean Tk421 Feb 21, 2026
★ ★ ★ ★ ★ Google
I purchased the Jeep WJ control arms Camp series over a year ago. Very pleased and impressed. Easy installation and solid build. Bracket broke for rear upper control arm, they redesigned it to be more robust and sent me a new one with hardware, honoring their guarantee!
DS
Dana Smith Jul 26, 2025
★ ★ ★ ★ ★ Google
Excellent, strong, and durable products—perfect for both on-road and off-road applications. The customer service is outstanding—friendly, knowledgeable, and extremely helpful with understanding installation and ensuring I got exactly what I needed. I would definitely order again. Top-notch company with high-quality products made right here in the U.S.A.
Review photo 1 Review photo 2 Review photo 3
RD
Reagan D'mello Dec 23, 2025
★ ★ ★ ★ ★ Google
Love the product. Excellent customer support 👍🏽 …
MM
MIKE (Mike the Mechanic) Jul 26, 2025
★ ★ ★ ★ ★ Google
Amazing company and customer service!!!! I messed up on my order and the fixed it immediately. Would definitely recommend them. Can't wait to hit the trails with their product.
BB
Brayden Brockey Mar 23, 2024
★ ★ ★ ★ ★ Google
Got a set of upper control arms for my xj, really impressed with the quality
Review photo 1
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Made in Orem, UT · You break it, we replace it.
385-375-2104
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