This kit includes 5 components, each built and powder-coated in-house.
Jeep Grand Cherokee WJ 99-04 2pc Crawl Series Front Lower Adjustable Control Arms
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Jeep Grand Cherokee WJ 99-04 2pc Crawl Series Front Upper Adjustable Control Arms
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Jeep Grand Cherokee WJ 99-04 2pc Crawl Series Rear Lower Adjustable Control Arms
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Jeep Grand Cherokee WJ 99-04 Crawl Series Front Heavy-Duty Adjustable Track Bar
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Jeep Grand Cherokee WJ 99-04 Crawl Series Rear Upper A-Arm w/ Bracket
View Component →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.
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!
Vehicle Fitment: Jeep Grand Cherokee WJ 99-04 – Complete suspension transformation for enhanced stability, precise alignment, and unmatched articulation on and off the road.
CORE Advantage: Eliminates axle shift, optimizes suspension geometry, and enhances steering control, reducing body roll and death wobble for a smoother, more controlled driving experience.
Adjustability: Designed for 2 to 6-inch lifts, allowing for pinion and caster correction, axle centering, and fine-tuned suspension geometry for optimal handling and drivetrain efficiency.
Construction: Built with 5/16” wall DOM tubing and equipped with Johnny Joints at all critical points, ensuring superior flexibility, durability, and high-performance articulation.
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.
Front Upper Control Arm Built With 1.5” OD 5/16” Wall DOM. Welded u-bracket on the welded end and a Forged Johnny Joint on the adjustable end with 1” x 14” TPI - 2.32” long threads.
Rear Lower Control Arm Built With 1.75” OD 5/16” Wall DOM. Forged Johnny Joints on both adjustable ends with 1.25” x 12 TPI - 2.625” long threads.
Rear Upper A-arm Built With 1.5” OD .25” Wall DOM. Welded Johnny Joints on the frame attachment points and a Forged Johnny Joint on the adjustable end with 1.25” x 12 TPI - 2.625” long threads.
Front Track Bar Built With 1.5” OD 5/16” Wall DOM. Welded Johnny Joint on the fixed end and a Forged Johnny Joint 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 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.
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.
Rear Lower control arm built with 1.75” OD 5/16” Wall DOM. Forged Johnny Joints on the adjustable end and a Welded Johnny Joint on the fixed end with 1.25” x 12 TPI - 2.625” long threads.
Front Track Bar built with 1.5” OD 5/16” Wall DOM. Welded Johnny Joint on the fixed end and a Forged Johnny Joints on the adjustable end with 1” x 14 TPI - 2.32” long threads.
Rear Upper A-arm built with 1.5” OD .25” Wall DOM. Welded Johnny Joints on the frame attachment points and a Forged Johnny Joints on the adjustable end with 1.25” x 12 TPI - 2.625” 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 |
| Lift Size | 2"-6" or 6"+ |
| Hardware | No Hardware or Complete Kit |
| Placement on Vehicle | Front Upper, Front Lower, Rear Upper, Rear Lower, Front, Rear |
| 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
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Jeep Grand Cherokee WJ 99-04 2pc Crawl Series Front Lower Adjustable Control Arms
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Jeep Grand Cherokee WJ 99-04 2pc Crawl Series Rear Lower Adjustable Control Arms
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Jeep Grand Cherokee WJ 99-04 Crawl Series Front Heavy-Duty Adjustable Track Bar
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Jeep Grand Cherokee WJ 99-04 Crawl Series Rear Upper A-Arm w/ Bracket
$ 414.74Accessories & Add-ons
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 | 2"-6", 6"+ |
| Hardware | No Hardware, Complete Kit |
| Vehicle | Jeep Grand Cherokee WJ (99–04) |
| Brand | CORE 4X4 |
| Series | Crawl Series |
| Note to Core4x4: | - |
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