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2pc Crawl Series Front Lower Adjustable Control Arms

Jeep Gladiator JT 20+ 2pc Crawl Series Front Lower Adjustable Control Arms
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428.36 428.36 USD 503.95

503.95

(Save 15%)

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Order today — ships within 1–3 business days
Enter ZIP for arrival estimate change
Order by 3:00 PM MT today — we'll start tomorrow
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Lifetime warranty Fitment guarantee Ships from Orem, UT 4–8 hr install
COLOR 11 colors — pick yours
https://dev.core4x4.com/web/image/product.template/2144/image_1920?unique=edc8f61

2pc Crawl Series Front Lower Adjustable Control Arms

Jeep Gladiator JT 20+ 2pc Crawl Series Front Lower Adjustable Control Arms
SKU: CRL-J-JT-FL2
Pick your vehicle to confirm fit

428.36 428.36 USD 503.95

503.95

(Save 15%)

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 within 1–3 business days
Enter ZIP for arrival estimate change
Order by 3:00 PM MT today — we'll start tomorrow
See full timeline

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 Jeep Gladiator JT’s Control and Stability

Unlock superior handling and performance with the Crawl Series Front Lower Control Arms, designed for Jeep Gladiator JT models (2020-Present). Engineered to address factory caster deficiencies that become more pronounced with lift installations, these control arms ensure precise alignment and improved drivability, particularly on smaller lifts.

Built to accommodate lift heights from 0 to 6 inches, they provide the adjustability needed to fine-tune your suspension. Pair these with our Crawl Series Front Upper Control Arms for a complete front-end solution on taller lifts to fully optimize alignment and suspension geometry.

Key Features and Benefits

  • Enhanced Caster for Precise Handling – Corrects the factory caster deficiency that leads to wandering, following road ruts, and flighty steering, ensuring a smooth and controlled driving experience.
  • Superior Construction for Extreme Durability – Built from heavy-duty 1.75” OD DOM Tubing with a 5/16” wall thickness, these control arms withstand the toughest off-road challenges while outlasting factory components.
  • Seamless Adjustability – Accommodates lifts from 0 to 6 inches, enabling precise alignment correction, axle re-centering, and optimized suspension geometry for unmatched drivability.
  • RockJock Johnny Joints – Equipped with Johnny Joints at both ends, these control arms deliver unmatched articulation and smoother suspension movement for extreme off-road flexibility and durability.

Two-Stage Powder Coating

Each control arm undergoes a meticulous two-stage powder coating process for maximum durability and corrosion resistance. Zinc primer base coat ensures long-term protection against rust. Durable top coat, available in 10 color options, allows you to customize the appearance of your Jeep.

Made in the USA

Proudly designed and manufactured in Orem, UT, the Crawl Series Front Lower Control Arms exemplify the finest in American craftsmanship. By choosing our products, you support local industries while enjoying superior quality and attention to detail.

Optional Hardware Upgrade

Installing the Crawl Series Front Lower Control Arms is simple, using your Jeep’s factory hardware. Optional Grade 8 hardware kits are available separately for those dealing with rusted or stubborn bolts, ensuring a seamless setup.

Transform your driving experience today with the Crawl Series!


  • Vehicle Fitment: Jeep Gladiator JT 20+ – Corrects factory caster deficiencies, improving stability, handling, and alignment for lifted and stock-height setups.

  • CORE Advantage: Enhances control and drivability by optimizing caster angle, reducing wandering, and improving steering response for a smoother ride.

  • Adjustability: Fully adjustable for lifts from 0 to 6 inches, allowing for precise axle positioning, caster correction, and optimized suspension geometry.

  • Construction: Built from heavy-duty 1.75” OD DOM tubing with a 5/16” wall thickness and Johnny Joints at both ends for maximum durability, articulation, and flexibility.

  • 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 Lower control arm built with 1.75” OD 5/16” Wall DOM. Welded Johnny Joint on the fixed end and a Forged Johnny Joint on the adjustable end 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

Front Lower control arm built with 1.75” OD 5/16” Wall DOM. Welded Johnny Joint on the fixed end and a Forged Johnny Joint on the adjustable end 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
Lift Size 0" — 6" or 6"+
Hardware No Hardware or Complete Kit
Placement on Vehicle Front Lower, 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
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.
CT
Canon TeSelle Jun 26, 2025
Google
Great Experience. I wanted to make changes to my order and Korby was more than willing to work with me to get everything corrected. Hope to deal with these guys again in the future.
OJ
Oldgreg jr Mar 23, 2025
Google
Good company, they offer well built parts and Great customer service. I had a couple of hang ups with my control arms that I purchased, they were very easy to work with and found the solution to make them work.
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.
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!
JS
Jeffrey Shafer Jan 22, 2026
Google
Exceptional customer service. All my questions were asked in a timely manner and parts were replaced when an error occured. I encourage people to make purchases due to their exceptional quality products, but also because of their customer service. Will make additional purchases in the future.
A
Adam Oct 24, 2025
Google
I couldn't have been more excited for the initial unboxing of these new Core 4x4 UCA's! They appear to be so well built and just a true quality product. Installation was a breeze and the initial testing with the forklift appears to have given me some additional flex with less binding on the rest of the components now that the geometry is back properly aligned. Time will tell how they hold up on my near future off-road adventures but I don't have any doubt that they are up to the task!
Review photo 1 Review photo 2 Review photo 3 Review photo 4
JH
Joe Hu Sep 24, 2025
Google
Amazing! I put all my new control arms and it drives a lot smoother and looks great!!!
Review photo 1
MR
Melanee Raynes Mar 25, 2019
Google
Awesome product and service! I even got some of their swag because it looked pretty darn good. I will definitely be going back and would suggest this business to others looking for quality control arms. Buy local!

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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