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Jeep Gladiator JT 20+ 2pc Crawl Series Front Upper Adjustable Control Arms
Pick your vehicle to confirm fit

314.95 314.95 USD 314.95

314.95

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Order today — ships by Mon, Jun 1
Salt Lake City, UT change
Order by 3:00 PM MT today — we'll start tomorrow
See full timeline
Lifetime warranty Fitment guarantee Ships from Orem, UT 4–8 hr install
Free mounting hardware included — a $20 value
COLOR 11 colors — pick yours
https://core4x4.com/web/image/product.template/2153/image_1920?unique=982bc5a

2pc Crawl Series Front Upper Adjustable Control Arms

Jeep Gladiator JT 20+ 2pc Crawl Series Front Upper Adjustable Control Arms
SKU: CRL-J-JT-FU2
Pick your vehicle to confirm fit

314.95 314.95 USD 314.95

314.95

COLOR 11 colors
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.
Compare all tiers →

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.
  • Series
    Cruise: daily driving and light off-road. Camp: overlanding. Crawl: aggressive rock crawling.
  • Lift Size
    Choose your current front lift height. Measure from center of wheel to fender if unsure.
  • Hardware
    Choose upgraded hardware if your factory hardware is worn, damaged, or missing.
  • Note to Core4x4:

Select Color to see price and add to cart.

Order today — ships by Mon, Jun 1
Salt Lake City, UT change
Order by 3:00 PM MT today — we'll start tomorrow
See full timeline
Free mounting hardware included — a $20 value

Alignment recommended Lifetime warranty on all non-wear items Made In USA

Made in USA Orem, Utah
Lifetime Guarantee Unconditional
10 Colors In-house powder coat
Fully Adjustable 0-6" of lift
3 X-Series Options Only Core 4x4

Elevate Your Performance On and Off the Road

Unleash the ultimate off-road flexibility with our Crawl Series Front Upper Control Arms, crafted specifically for Jeep Gladiator JT models (2020-Present). Engineered to provide superior articulation and refined on-road manners, these control arms address common alignment challenges, ensuring a smoother, more controlled ride.

Detailed Key Features and Benefits

  • Peak Off-Road Flexibility and On-Road Comfort – Maintain exceptional axle articulation for rugged terrain while enjoying improved handling and stability on the road.
  • Precise Adjustability – Compatible with lifts from 0 to 6 inches, these arms enable precise alignment correction and axle centering for optimized suspension geometry.
  • Durable Construction – Crafted from 1.5″ OD DOM Tubing with a 5/16” wall thickness, these control arms feature original Rock Jock Johnny Joints for unmatched strength and longevity.
  • Innovative U-Bracket Design – The axle end features a U-bracket to connect seamlessly to factory bushings, offering superior durability and responsive movement.

Optimizing Front-End Geometry

Designed to enhance suspension performance, the Crawl Series Front Upper Control Arms help fine-tune your vehicle’s alignment. Whether correcting pinion angles or achieving proper axle positioning, these arms are a critical component for precise handling and reduced suspension stress.

Two-Stage Powder Coating

Every arm is finished with a robust two-stage powder coating process. Starting with a zinc primer for corrosion resistance, followed by a durable top coat in your choice of 10 colors, this finish ensures long-lasting protection and a custom look.

Made in the USA

Proudly crafted in Orem, UT, our control arms are built to the highest standards, supporting local manufacturing and ensuring unrivaled quality.

Optional Hardware Upgrade

With a user-friendly design, these arms install effortlessly using factory hardware. Optional Grade 8 hardware kits are available separately for dealing with stubborn or rusted bolts.


  • Vehicle Fitment: Jeep Gladiator JT 20+ – Provides precise alignment correction, enhances axle positioning, and improves front-end suspension performance for lifted and stock-height setups.

  • CORE Advantage: Fine-tunes suspension geometry by correcting pinion angles and axle placement, reducing driveline vibrations and improving handling on and off the road.

  • Adjustability: Fully adjustable to accommodate lifts from 0 to 6 inches, ensuring proper suspension tuning for optimized ride quality and axle alignment.

  • Construction: Built from 1.5” OD .313 Wall DOM tubing with a Johnny Joint at the adjusting end and a U-bracket at the axle end for seamless integration with factory bushings.

  • 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

Front Upper control arm built with 1.5” OD 5/16” Wall DOM. Welded u-bracket on the welded end and a Forged Johnny Joints on the adjustable end with 1” x 14” TPI - 2.32” 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

Front Upper control arm built with 1.5” OD 5/16” Wall DOM. Welded u-bracket on the welded end and a Forged Johnny Joints on the adjustable end with 1” x 14” TPI - 2.32” 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
Lift Size 0" — 6" or 6"+
Hardware No Hardware or Complete Kit
Placement on Vehicle Front Upper, Front
Mounting Style Bolt-On

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, lift height, and any add-on options, then add to cart. 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.

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Reviews of Core 4x4

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5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
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!
Review photo 1
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.
AH
Abbey Hiett Mar 25, 2019
Google
Company finally made things right
TR
Tim Reigies Mar 25, 2018
Google
Received the track bar I ordered, product looks extremely strong, thx core 4x4
RG
Robert Van Gorder Apr 27, 2025
Google
Amazing service. Bought a track bar through Americantrucks.com and they sent it with the wrong size bushing sleeve. Korby at Core 4x4 was quick to get me the correct size and very responsive. Will definitely be using more of their stuff.
BA
bryan angell Jun 26, 2025
Google
First off amazing products. I got a set of adjustable control arms for my XJ and it is so nice to be able to dial in caster and pinion angles. A quick call and I was able to purchase an adjustable track.
Review photo 1
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.
MT
Ma TheMeatLoaf Mar 23, 2024
Google
Their website estimated 2 days to get my parts but actually took 11. No communication to let me know what’s going on. Parts were missing. Some days they answer questions, some they don’t. Didn’t let me know I’d have to alter stock bolts to fit their parts. All around just seems like they don’t care.
LM
Logan Matejek May 27, 2025
Google
The parts are a massive improvement over factory. I accidentally ordered the wrong endlinks and they helped me figure out the correct size and sent me new ones. Definitely an awesome store
BM
Brantly Musgrave Jan 22, 2026
Google
First and foremost would like to say that Core4x4s customer service is top notch and they definitely stand behind their warranty on products! Highly recommend using them for any of your off road needs! It’s rare to find a company now a days that backs their products and they do! Had a few issues with mounts and control arms and they handled it without hesitation! Thank you!

Specifications

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.
Lift Size 0" — 6", 6"+
Hardware No Hardware, Complete Kit
Vehicle Jeep Gladiator JT (20–Present)
Brand CORE 4X4
Series Crawl Series
Note to Core4x4: -
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