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Jeep Grand Cherokee WJ 99-04 6pc Crawl Series Adjustable Control Arm Kit

SKU: CRL-J-WJ-CS6
Fits: 1999 - 2004 Jeep Grand Cherokee WJ Add vehicle

1,128.70 1128.7 USD 1,128.70

1,128.70

Starting at $110/mo or 0% APR with . See if you qualify

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.

4–8 hr install Moderate Alignment recommended Lifetime warranty on all non-wear items Made In USA

Unleash Superior Performance and Comfort

Transform your Jeep Grand Cherokee WJ (1999-2004) with the Crawl Series Complete Control Arm Set—a must-have upgrade for drivers looking to enhance durability, articulation, and ride quality. This set is designed to deliver unmatched strength and flexibility off-road while maintaining excellent drivability on pavement. Whether you're conquering rough terrain or cruising the highway, these control arms provide the perfect balance of stability, adjustability, and control.

What's Included?

  • Crawl Series front upper control arms (CRL-J-WJ-FU2)
  • Crawl Series front lower control arms (CRL-J-WJ-FL2)
  • Crawl Series rear lower control arms (CRL-J-WJ-RL2)
  • Mounting spacers (8)

Key Features Benefits

  • Heavy-duty DOM tubing construction – Built from 5/16” wall DOM tubing, these control arms are engineered to withstand the toughest conditions. The lower control arms utilize 1.75” OD tubing, while the uppers feature 1.5” OD tubing, ensuring superior durability over stock and competitor options.
  • Johnny Joints for maximum flexibility – Every control arm is equipped with RockJock Johnny Joints at both ends, allowing for extreme articulation without binding. These joints provide unparalleled durability, smoother operation, and enhanced longevity compared to traditional rubber or poly bushings.
  • Adjustability for perfect suspension geometry – Designed to accommodate lifts from 0 to 6 inches, these adjustable control arms allow you to fine-tune axle positioning, caster, and pinion angles for optimal drivability and handling. For lifts beyond 6 inches, contact us for additional options.
  • Pair with a front track bar or rear A-arm for a complete suspension solution – For the best results, we recommend pairing this set with our Crawl Series Front Track Bar (CRL-J-WJ-FTB1) or Rear Adjustable A-Arm (CRL-J-WJ-AA1). This ensures proper axle centering, stability, and alignment—giving you a fully optimized suspension system for both on- and off-road driving.

Two-Stage Powder Coating

Each control arm undergoes a two-stage powder coating process to maximize durability and corrosion resistance. A zinc primer base coat creates a solid barrier against rust, followed by a top coat in your choice of 10 colors for a custom look.

Proudly Made in the USA

Manufactured in Orem, UT, our Crawl Series Control Arm Set exemplifies American craftsmanship and engineering. We oversee every step of the process to ensure the highest quality, sourcing materials locally to maintain strict manufacturing standards.

Optional Hardware Upgrade

Designed for a straightforward installation, these control arms reuse factory hardware for a simple, bolt-on upgrade. For those dealing with rusted or stubborn bolts, we offer optional Grade 8 hardware kits to ensure a hassle-free installation.

Final Thoughts

Upgrade your Jeep Grand Cherokee WJ with the Crawl Series Complete Control Arm Set and experience unparalleled suspension performance, flexibility, and durability. This set is built for enthusiasts who demand the best in off-road capability and on-road comfort. Pair it with a front track bar or rear A-arm for the ultimate suspension setup and take your WJ to the next level.


Make Model Submodel Years
Jeep Grand Cherokee 1999 - 2004

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

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"+

See It Installed

Install videos and build guides on our YouTube channel.

Watch more installs on YouTube
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Reviews from Google

See all on Google
5.0
132 reviews
5
97%
4
2%
3
0%
2
1%
1
0%
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.
RC
Ryan Colligan Mar 4, 2026
Google
I have nothing but good things to say about Core 4x4. I have the crawler series on my JKU and we take it all over the place. These parts handle everything we throw at them.
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.
CL
Cade Leith Mar 23, 2024
Google
Have full upper/lower CA set on both front and rear axles on a 96 ZJ. These are the rubber bushing sets not joint sets. I have beat the hell out it in the Nevada desert for 2 years and has been great. I don’t go fast but I do articulate suspension a lot. Super solid and haven’t any issues. Just inspected the entire set recently due to some banging under it. Turns out the banging is lower rear shock bushings. Inspected each CA along the way nothing. Aside from dirt and obviously winter roads and what not still in excellent condition, bushings are solid like the day they were installed. I’ll add that I’m about tapped on a short arm at 4.25(less with settle) so the front CA’s get beat on just from that, still they’re like new. Paint is great condition, this set is red. I would definitely buy again. Another plus for me, Utah isn’t local necessarily, but it’s nice to support businesses closer to me.
DD
Dmitriy D May 27, 2025
Google
Installed rear and upper control arms and track bar on my 3rd Gen 4RUNNER to align rear axle and restore factory wheel base after 3.5" lift. Car drives better than New! Improved handling cornering and overall driving. Very solid and high quality made product. Support is outstanding. Shipping extremely fast. Thank you so much. I wish you will have something new for my car.
VK
Victor Keele Sep 24, 2025
Google
Great customer service. I got my front upper and lower control arms and hardware on Friday afternoon. It didn’t come with instructions so I called Core 4X4 and they immediately e mailed me the instructions. Also, the kit I got had the spacers missing so I called. It was late Friday by thus time but they took care of the issue first thing Monday morning and I got the spacers on Tuesday. Great company.
KK
Kevin Kinard Oct 24, 2025
Google
Great product, excellent customer service. I mistakingly ordered a track bar for the wrong year model and Korby helped me out by sending me the correct part that I needed no questions asked. I highly recommend.
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!
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.
NM
Noah Myers Mar 23, 2024
Google
I contacted these guys on a Saturday through email and needed some control arms by the following weekend, Spence got back with me and told me he would make sure the order got shipped out on Monday, they got busy and wasn’t able to ship the package out so he got back with me that evening and upgraded my shipping for free and shipped out the next day, only because he told me he’d make sure I’d have them by the weekend! This company sticks to their word! The customer service from these guys are unmatched and they will have another lifetime customer here!
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