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Jeep Wrangler JK / JKU 07-18 2pc Crawl Series Rear Lower Adjustable Control Arms

SKU: CRL-J-JK-RL2
Fits: 2007 - 2018 Jeep Wrangler JK / JKU Add vehicle

410.51 410.51 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

Unmatched Flexibility and Durability

Upgrade your Jeep Wrangler JK’s suspension system with the Crawl Series Rear Lower Control Arms (CRL-J-JK-RL2). Designed to deliver superior off-road flexibility and on-road stability, these control arms offer an unparalleled combination of strength, adjustability, and performance. Whether tackling extreme trails or enjoying daily drives, these control arms are the ideal upgrade for Jeep enthusiasts.

What's Included in the Kit

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

Key Features and Benefits

  • Heavy-Duty Construction – Built with 1.75” OD DOM Tubing featuring a 5/16” wall thickness, these control arms provide exceptional strength and durability, outperforming stock and many aftermarket alternatives.
  • Johnny Joints for Maximum Articulation – Equipped with original Johnny Joints at both ends, these control arms deliver unmatched flexibility, ensuring superior off-road performance and long-lasting durability.
  • Adjustability for Lifted Vehicles – Fully adjustable to accommodate lifts from 0 to 6 inches, allowing you to fine-tune wheel centering and optimize suspension geometry for any setup. Custom options are available for lifts beyond 6 inches.
  • Recommended Pairing – Pair with Crawl Series Rear Upper Control Arms for complete rear suspension tuning, ensuring optimal axle positioning, pinion angles, and overall handling improvements.

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 our Orem, UT facility, the Crawl Series Rear Lower Control Arms exemplify the highest standards of American craftsmanship. By choosing CORE 4X4 products, you support local industries while investing in quality and reliability.

Optional Hardware Upgrade

The Crawl Series Rear Lower Control Arms are designed for straightforward installation using factory hardware. For those dealing with rusted or stubborn bolts, optional Grade 8 hardware kits are available separately to make the process hassle-free.

In Conclusion

Upgrade your Jeep Wrangler JK with the Crawl Series Rear Lower Control Arms (CRL-J-JK-RL2) and experience unparalleled off-road flexibility, exceptional durability, and a smooth installation process. Built for Jeep enthusiasts who demand the best, these control arms deliver superior performance, whether on rugged trails or city streets. Invest in quality, reliability, and the thrill of unmatched suspension performance today.


Make Model Submodel Years
Jeep Wrangler 2007 - 2018

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

Vehicle Jeep Wrangler JK / JKU (07–18)
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.
EC
Eric Cox Jul 26, 2025
Google
Prompt, professional, and courteous service! Quality parts and broad assortment of products to suite your 4x4 needs:)
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
NM
Noah Myers Mar 23, 2024
Google
I contacted these guys on a Saturday through email and needed some control arms by the following weekend, Spence got back with me and told me he would make sure the order got shipped out on Monday, they got busy and wasn’t able to ship the package out so he got back with me that evening and upgraded my shipping for free and shipped out the next day, only because he told me he’d make sure I’d have them by the weekend! This company sticks to their word! The customer service from these guys are unmatched and they will have another lifetime customer here!
DW
Darin Wuebbels May 27, 2025
Google
Thanks for the fabulous customer service. Your products and customer service are first class. I highly recommend these guys. Excellent experience.
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.
NP
Norb Pranger Oct 24, 2025
Google
Not sure where to start, Products or Service or Warranty. Products: I found Core4x4 through a very respected YouTuber in the Jeeping community. I purchased an entire set of Core4x4 Control Arms three years ago and have beat the daylights out of them and they are still in great condition. Now, I purchased another Jeep, this time for my daughter and bought yet another set of Control Arms because I know that these things can take a beating and stand up to it. I plan on replacing more parts on this TJ and my JL and will continue to buy from Core4x4. Service: This isn't some huge name conglomerate that treats you like you're just another customer. They are quick with responses and will always make things right should something be a problem. Oh and the quickness in which they ship their products is unmatched. I bought these CAs for my TJ on Thursday, I received them on Monday. Most other manufacturers will tell you weeks, they had them to me in 2 shipping days. Warranty: Seriously, a lifetime warranty? Yes please. Nothing more to say. I can't say enough about how great of a company this is. I've even spoken to the owner through email a few years back on some questions that I had. Support small American built businesses. P.S. Core 4x4, feel free to make me an ambassador and send me some swag :) .
RR
Ryan Rogers Aug 25, 2025
Google
I purchased a set of the Cruiser Series control arms for my Jeep Jk based on postive reviews from different Jeep Facebook pages. Ordered and 2 days later realized they had the very same exact arms on sale in the overstock section. Called them up and they refunded me the savings from my original purchase. Amazing, honest service. Can't wait to get them installed. Keep up the good work guys.
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