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 |
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.
Reviews of Core 4x4
Accessories & Add-ons
Jeep Grand Cherokee WJ 99-04 6pc Crawl Series Adjustable Control Arm Kit
$ 1,128.70
Jeep Grand Cherokee WJ 99-04 2pc Crawl Series Front Lower Adjustable Control Arms
$ 477.70
Jeep Grand Cherokee WJ 99-04 4pc Crawl Series Front Adjustable Control Arm Kit
$ 724.45
Jeep Grand Cherokee WJ 99-04 7pc Crawl Series Adjustable Control Arm, Track Bar Kit
$ 1,339.75
Jeep Grand Cherokee WJ 99-04 8pc Crawl Series Adjustable Control Arm Kit
$ 1,674.70Specifications
| 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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