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Jeep Wrangler JL / JLU 18+ 2pc Crawl Series Rear Lower Adjustable Control Arms

SKU: CRL-J-JL-RL2
Fits: 2018 - Present Jeep Wrangler JL / JLU Add vehicle

482.95 482.95 USD 482.95

482.95

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

Superior Off-Road Performance and Flexibility

Take your Jeep Wrangler JL’s rear suspension to the next level with the Crawl Series Rear Lower Control Arms. Specifically engineered for off-road enthusiasts, these control arms provide superior articulation, durability, and adjustability. Whether you’re tackling rugged trails or cruising the highway, these control arms offer the strength and performance to handle it all while maintaining excellent on-road comfort.

What's Included

  • Crawl Series Rear Lower Control Arms (CRL-J-JL-RL2)

Key Features and Benefits

  • Built to Withstand Extreme Conditions – Constructed from heavy-duty 1.75” OD DOM Tubing with a robust 5/16” wall thickness, these control arms are designed to handle the harshest off-road conditions while delivering unmatched strength and reliability.
  • Unmatched Articulation – Equipped with RockJock Johnny Joints at both ends, these control arms provide incredible off-road articulation, ensuring smoother suspension movement over uneven terrain.
  • Full Adjustability – Easily fine-tune your suspension setup to accommodate lifts from 0 to 6 inches. These control arms allow precise wheel centering and axle alignment, giving you optimal performance no matter your setup.
  • Complete Rear-End Solution – For a fully dialed-in rear suspension, pair these lower control arms with our Crawl Series Rear Upper Control Arms. Together, they enable full axle centering in the wheel well and perfect pinion angle adjustment, minimizing driveline vibrations and maximizing drivability.

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.

Made in the USA

Proudly designed and manufactured in Orem, UT, the Crawl Series Rear Lower Control Arms reflect CORE 4X4’s commitment to American craftsmanship. By managing the production process in-house, we ensure top-tier quality and support for local industries.

Straightforward Installation

These control arms are designed for a simple installation process using factory hardware. For vehicles with rusted or stubborn bolts, optional Grade 8 hardware kits are available separately to make the process smooth and hassle-free.

In Conclusion

Upgrade your Jeep Wrangler JL with the Crawl Series Rear Lower Control Arms (CRL-J-JL-RL2) and experience exceptional off-road performance, enhanced suspension geometry, and superior durability. For the ultimate rear-end solution, pair with our Crawl Series Rear Upper Control Arms to achieve precise axle centering and pinion angle correction. Conquer challenging terrain with confidence and enjoy smoother on-road drivability with this high-quality suspension upgrade.


Make Model Submodel Years
Jeep Wrangler 2018 - Present

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

Vehicle Jeep Wrangler JL / JLU (18–Present)
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.
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!
CT
Canon TeSelle Jun 26, 2025
Google
Great Experience. I wanted to make changes to my order and Korby was more than willing to work with me to get everything corrected. Hope to deal with these guys again in the future.
RG
Robert Van Gorder Apr 27, 2025
Google
Amazing service. Bought a track bar through Americantrucks.com and they sent it with the wrong size bushing sleeve. Korby at Core 4x4 was quick to get me the correct size and very responsive. Will definitely be using more of their stuff.
C
caleb Mar 24, 2022
Google
Absolutely a great company. Ordered rear lower control arms with hardware but when i got it the hardware wasn't there but they sent it out right away and got a free t-shirt! Highly recommend.
B
Ben Mar 24, 2021
Google
2001 Wrangler TJ- i have purchased all front/rear upper/lower control arms. Front track bar and rear track bar. Quality is excellent and extremely durable you can tell its built to last. Bent a bolt on the front track bar and called and spoke with Spence. He immediately sent me out new hardware plus some! Product is amazing but what really separates companies apart is their service and these guys are second to none. Thank you all!
D
David Nov 23, 2025
Google
First of I just want to say Great customer service korby Has helped me from the start and has not let me down! Reached out to him again today and he was able to warranty some parts out for me. As far as the quality of the parts.. excellent! The build quality is great. I can definitely tell a Difference from the cheap oem rear control arms to these and the pan hard bar. Color, From what I can tell it’s super durable been through a few mud holes on top of the daily road grime and after a quick wipe they still pop! Overall I recommend. Customer service is everything for me and it’s definitely there at Core 4x4.
GH
Gary Haag Aug 25, 2025
Google
Ordered a set of Core 4x4 control arms for my 2006 Jeep TJ. These are some heavy duty quality control arms. Can't wait to get them installed. Great customer service too!
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