Unmatched Flexibility, Strength, and Control
Upgrade your Jeep Grand Cherokee WJ (1999-2004) with the Crawl Series Rear Lower Control Arms, engineered for exceptional off-road articulation and precise on-road handling. These heavy-duty control arms provide enhanced axle control, superior strength, and improved suspension geometry, making them the ultimate upgrade over stock or inferior aftermarket alternatives. Whether you’re navigating rugged trails or daily driving, these control arms ensure your suspension system performs at its best in all conditions.
Key Features Benefits
- Heavy-Duty Construction – Built from 1.75” OD DOM Tubing with a 5/16” wall thickness, these control arms are significantly stronger than stock components, ensuring maximum durability and resistance to off-road abuse.
- Fully Adjustable Design – Designed to accommodate lifts from 0 to 6 inches, allowing you to fine-tune axle positioning, wheel centering, and pinion angle for optimal suspension performance.
- Johnny Joints at Both Ends – Equipped with RockJock Johnny Joints, these control arms provide unparalleled flexibility, allowing for increased articulation and reducing suspension bind for smoother operation.
- Recommended Suspension Pairing – For maximum stability and precision, we recommend pairing these Rear Lower Control Arms with our Crawl Series Rear Upper A-Arm to achieve complete suspension control and optimized rear axle positioning.
Two-Stage Powder Coating for Superior Protection
To ensure long-lasting durability and corrosion resistance, these control arms undergo a rigorous two-stage powder coating process. Zinc primer base coat – Provides advanced protection against rust and environmental elements. Durable top coat – Available in 10 custom color options to add a personalized finish that matches your Jeep’s style.
Proudly Made in the USA
Manufactured in Orem, UT, our Crawl Series components are built with American craftsmanship and premium materials, ensuring the highest level of quality, strength, and reliability. We oversee the entire manufacturing process to guarantee superior performance for Jeep enthusiasts who demand the best.
Optional Hardware Upgrade
These control arms are designed for a hassle-free installation using factory hardware and provided spacers. If you’re dealing with rusted or worn-out bolts, we offer optional Grade 8 hardware kits, available separately, for a seamless and secure installation.
Vehicle Fitment: Jeep Grand Cherokee WJ 99-04 – Enhances axle control, articulation, and handling for maximum off-road flexibility and on-road stability.
CORE Advantage: Strengthens rear suspension, reduces binding and wheel hop, and improves drivability by optimizing axle positioning and suspension geometry.
Adjustability: Accommodates 0 to 6-inch lifts, allowing precise axle centering and pinion angle correction, reducing driveline vibrations for a smoother ride.
Construction: Built with 1.75” OD 5/16” wall DOM tubing and Johnny Joints at both ends, delivering superior strength, durability, and articulation for extreme terrain.
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
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.
| Make | Model | Submodel | Years |
|---|---|---|---|
| Jeep | Grand Cherokee | 1999 - 2004 |
Each rebuild kit includes all necessary components to replace and restore wearable parts.
Construction & Materials
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.
| 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 | Rear Lower, 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.
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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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