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1,674.70 1674.7 USD 1,674.70

1,674.70

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Jeep Grand Cherokee WJ 99-04 8pc Crawl Series Adjustable Control Arm Kit

SKU: CRL-J-WJ-K8
Fits: 1999 - 2004 Jeep Grand Cherokee WJ Add vehicle

1,674.70 1674.7 USD 1,674.70

1,674.70

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.
  • 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.

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

Complete Suspension Overhaul for Maximum Performance

Revolutionize your Jeep Grand Cherokee WJ’s suspension system with the Crawl Series Ultimate Suspension Kit. Designed for Jeep Grand Cherokee WJ models from 1999-2004, this all-inclusive kit delivers a complete overhaul of your vehicle’s suspension. With unmatched control, flexibility, and adjustability, this kit provides precise axle centering, pinion and caster angle adjustments, and exceptional off-road articulation while maintaining superior on-road comfort.

What’s Included in the Kit?

  • 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
  • Crawl Series rear upper A-arm – CRL-J-WJ-AA1
  • Crawl Series front track bar – CRL-J-WJ-FTB1

Key Features and Benefits

  • Comprehensive suspension overhaul – Includes all six control arms, front track bar, and rear upper A-arm, providing full control over suspension geometry, precise alignment, and axle centering.
  • Exceptional flexibility – Equipped with Johnny Joints at all critical points, this kit delivers industry-leading articulation for conquering the toughest off-road terrains.
  • Advanced adjustability – Accommodates lifts from 2 to 6 inches, allowing fine-tuned pinion and caster angle adjustments for optimal driveline performance, axle centering, and enhanced handling.
  • Unmatched durability – Built with .313" wall DOM tubing and premium materials to ensure long-lasting performance in demanding off-road conditions.

Complete Suspension Transformation

The inclusion of the rear upper A-arm makes this the ultimate suspension solution. Combined with adjustable control arms and a front track bar, this setup provides unmatched control over axle positioning, caster adjustments, and pinion angle alignment. With improved articulation and stability, you’ll enjoy a smoother ride on-road and extreme flexibility off-road, making this kit perfect for Jeep enthusiasts looking to push their vehicle’s performance to the limit.

Two-Stage Powder Coating for Maximum Protection

Each component undergoes a two-stage powder coating process for superior durability and corrosion resistance. A zinc primer base coat enhances rust protection, while the durable top coat—available in 10 color options—adds long-lasting resilience and a custom aesthetic.

Proudly Made in the USA

Manufactured in Orem, UT, the Crawl Series Ultimate Suspension Kit is built with the highest standards of American craftsmanship. By sourcing materials locally and maintaining strict quality control, we ensure every component meets the highest durability and performance standards.

Optional Hardware Upgrade

This kit installs easily using factory hardware. For vehicles with rusted or stubborn bolts, optional Grade 8 hardware kits are available separately to ensure a seamless installation.

Final Thoughts

The Crawl Series Ultimate Suspension Kit is the premier solution for Jeep Grand Cherokee WJ owners seeking a full suspension transformation. With superior adjustability, off-road articulation, and long-lasting durability, this kit ensures optimal performance and reliability in any terrain. Upgrade today and experience total suspension control like never before!


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
Lift Size 6"+ or 2"-6"
Hardware No Hardware or Complete Kit

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.
AS
Anthony Snyder Jun 26, 2025
Google
Great experience and really great parts
EG
Erica Grissom May 27, 2025
Google
First off, I wish I knew about them sooner. The customer service is top tier. The response time is about 30 min no waiting 1-3 days to get a response. The parts are heavy-duty and look amazing. The packaging is perfect, I can't wait to hit some trails. Thanks Core4x4
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.
RP
Robin Poole Jul 26, 2025
Google
I had several questions before my purchase and Korby helped me with the correct parts to order and recommendations. Outstanding customer service and product knowledge! Can't wait to install them!
PG
Paul Griffin Feb 21, 2026
Google
Great long arm kit with everything else I needed as well! They worked with me to ensure that I was getting an upgraded components kit just like I wanted. Fast shipping with some of the best packaging that I have ever seen. Nothing was scratched or missing and this kit is even more impressive than the videos or website can show. Powder coating looks great with no issues. I would highly recommend CORE 4x4 to anyone looking for a great quality kit.
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.
JI
Jerome Segura III Jun 26, 2025
Google
I bought the 16pc Cruise Series Adjustable Control Arm, Track Bar, Steering, End Link Kit to replace a worn budget 4" lift on my used JKU. These are top quality parts; very solid. Customer service is unsurpassed. They even matched prices on my order placed before the tax day sale. I made an error in ordering a drag link flip kit; they were quick to help me fix this too. There's peace of mind knowing these components are made in the USA. Thank you. 👍👍
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