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2pc Crawl Series Front Upper Adjustable Control Arms

Jeep Grand Cherokee WJ 99-04 2pc Crawl Series Front Upper Adjustable Control Arms
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278.73 278.73 USD 309.70

309.70

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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://core4x4.com/web/image/product.template/2039/image_1920?unique=edc8f61

2pc Crawl Series Front Upper Adjustable Control Arms

Jeep Grand Cherokee WJ 99-04 2pc Crawl Series Front Upper Adjustable Control Arms
SKU: CRL-J-WJ-FU2
Pick your vehicle to confirm fit

278.73 278.73 USD 309.70

309.70

(Save 10%)

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.
  • Hardware
    Choose upgraded hardware if your factory hardware is worn, damaged, or missing.
  • Lift Size
    Choose your current front lift height. Measure from center of wheel to fender if unsure.
  • 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

Peak Performance On and Off-Road

Maximize your Jeep Grand Cherokee WJ's potential with the Crawl Series Front Upper Control Arms. Designed for model years 1999-2004, these control arms deliver exceptional off-road flexibility while maintaining superior on-road handling, making them the ideal upgrade for any driving adventure.

Key Features and Benefits

  • Enhanced Flexibility and Comfort – Johnny Joints at both ends allow for extreme articulation, enabling superior performance on rugged terrains without sacrificing on-road comfort.
  • Durable DOM Tubing Construction – Built with 1.5" OD DOM Tubing and a 5/16” wall thickness, these control arms offer unmatched strength and durability.
  • Adjustability for Precise Alignment – Designed to accommodate lifts from 0 to 6 inches, these arms enable fine-tuning of axle positioning and alignment correction for improved handling.
  • Seamless Pairing for Stability – Pair with our Crawl Series Front Lower Control Arms to optimize caster angles and enhance front axle stability for ultimate performance.

Two-Stage Powder Coating

All control arms are coated using a two-stage powder coating process. A zinc primer base protects against rust and corrosion, while a durable top coat, available in 10 vibrant colors, offers lasting aesthetics and customization to match your vehicle's style.

Made in the USA

Manufactured in Orem, UT, the Crawl Series represents the highest standards of American craftsmanship. By sourcing materials locally and controlling the entire manufacturing process, we ensure superior quality and reliability in every product.

Optional Hardware Upgrade

The Crawl Series Front Upper Control Arms are designed for straightforward installation using factory hardware. For stubborn or rusted bolts, optional Grade 8 hardware kits are available separately, ensuring a hassle-free setup.


  • Vehicle Fitment: Jeep Grand Cherokee WJ 99-04 – Enhances handling precision and suspension control, providing superior articulation off-road while maintaining on-road comfort and stability.

  • CORE Advantage: Corrects caster alignment to improve steering control, ensuring smooth highway driving and enhanced suspension flex for rock-crawling and off-road obstacles.

  • Adjustability: Adjustable for 0 to 6-inch lifts, allowing for precise axle alignment, fine-tuned suspension geometry, and improved handling for lifted setups.

  • Construction: Built from 1.5” OD 5/16” wall DOM tubing, equipped with Johnny Joints at both ends for bind-free articulation, durability, and smooth suspension movement.

  • 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 Grand Cherokee 1999 - 2004

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 Grand Cherokee WJ (99–04)
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 Front Upper, Front
Mounting Style Bolt-On
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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%
DN
Devan Nelson Mar 25, 2019
Google
Had a great experience with Core 4x4, I desperately needed a custom track bar and found out just a couple days before Easter Jeep Safari. Spence was a huge help and made it happen with plenty of time to spare. Their parts are top notch!
JC
John Cutler Oct 24, 2025
Google
In September 2025, we visited CORE 4x4 in Orem, Utah. CORE 4x4 makes control arms and other similar parts that stiffen the suspension of an off-road 4x4 vehicles, so that the off-road vehicles can travel on more rugged terrain. CORE 4x4 used to share this building with another business, and since this other business has moved elsewhere, CORE 4x4 will continue to expand and grow their business. Good for CORE 4x4 to be a growing company and to expand into the vacant part of the building.
Review photo 1 Review photo 2 Review photo 3 Review photo 4
SG
Sal Giordano Sep 24, 2025
Google
I want to take the time to share my experience with Core 4x4. I have a 2004 Jeep Wrangler and was looking to upgrade some suspension parts. I went with Core 4x4 upper & lower adjustable control arms and a front adjustable track bar. Everything arrived quickly, and right out of the box I was impressed with the quality and craftsmanship. I had a few questions during installation (measurements and torque specs), and I spoke with Korby on a couple of occasions. Not only did he send me detailed instructions, but he also shared an installation video specific to the part and vehicle I was working on, something you don’t get from many companies. The control arms fit perfectly, look great, and perform exactly as I hoped. I did run into an issue with the front track bar touching the front diff. When I reached out, Korby had me send pictures and then immediately offered two solutions: his bar guy could make a different bend and send it out to me, or I could get a full refund. His response honestly blew me away. As much as I wanted to run the Core 4x4 track bar, I chose the refund. Korby sent me a prepaid shipping label right away, no hassle. My experience with Core 4x4 has been excellent. Korby was extremely understanding, communicative, and helpful every step of the way. The parts I received were high quality, and the customer service was second to none. I would absolutely recommend Core 4x4 10 out of 10 times and will be using them again. Just a great American company with awesome people who truly care about their customers. Thank you Korby, and thank you Core 4x4!
AL
Andrew LaFave May 27, 2025
Google
I am really please with this company. Great product, i had an issue with a couple of the jonnhy joint bushings, they explained what had caused it and how to fix it. Within hrs of receiving my inquiry, i had heard back with the required info I needed. A couple hrs later problem was fixed and ready for the trail again. They care about heir product and their customers. Thanks crew, you rock
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!
FS
Fernando Salazar Aug 25, 2025
Google
Great quality control arms and great customer service. Korby has been a great help at answering my questions on some issues I’ve been having with installation!
TD
Tim Davis Sep 24, 2025
Google
Customer service is amazing, responds fast and know what they are talking about. Their product looks top of the line.
JG
James Griffin Jul 26, 2025
Google
Customer service is top notch. They answered all of my questions and got me my tracking number for my packages. I just received both of them and the quality is next level. You guys are truly awesome.
Review photo 1
S
Sebastian Oct 24, 2025
Google
Great products they sell, got a crawl series long arm kit for my xj and it has held up quite nice, they are beefy, and for what ever reason they fail it has a great warranty with a customer service to match, when someone asks what control arm kit to buy I always recommend core 4x4
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

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.
Hardware No Hardware, Complete Kit
Lift Size 0" — 6", 6"+
Vehicle Jeep Grand Cherokee WJ (99–04)
Brand CORE 4X4
Series Crawl Series
Note to Core4x4: -
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