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Jeep Wrangler JK / JKU 07-18 Front Bump Stop

SKU: J-JK-F-BSK
Fits: 2007 - 2018 Jeep Wrangler JK / JKU Add vehicle

83.95 83.95 USD 83.95

83.95

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.
  • Bump Stops
  • Height
  • 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

Essential Protection for Your Lifted Jeep

Upgrading your 2007-2018 Jeep Wrangler JK/JKU with increased suspension flex and lift? Ensure your rig is protected from over-compression damage with CORE 4X4 Front Bump Stop Extensions (J-JK-F-BSK). Factory bump stops become inadequate as lift height increases, which can lead to tire-to-fender contact, frame stress, and component damage. These extensions correct bump stop engagement, preventing costly issues while maintaining optimal suspension travel.

What's Included?

  • Front Bump Stop Extensions – 6061 T6 Aluminum
  • All Necessary Hardware for Installation

Key Features and Benefits

  • Prevents Over Compression  Protects Components – Properly limits suspension travel to prevent tire contact, fender damage, and excessive stress on suspension components.
  • Lightweight Durable 6061 T6 Aluminum – Machined from high-strength 6061 T6 aluminum, providing excellent durability and corrosion resistance. Lightweight design ensures minimal impact on suspension performance.
  • Straightforward Installation – Simple bolt-on process, utilizing existing factory mounting locations for a seamless fit. Includes all necessary hardware for an easy and secure installation.

Precision Fit for Any Suspension Setup

Available in multiple sizes to accommodate various lift heights and suspension setups, ensuring proper bump stop engagement without sacrificing performance.

Two-Stage Powder Coating for Maximum Durability

Each component undergoes a zinc primer base coat for corrosion resistance, followed by a top coat available in 10 colors, allowing you to customize your Jeep while protecting against rust and wear.

Proudly Made in the USA

Manufactured at our Orem, UT facility, we maintain strict quality control and support local suppliers, ensuring rugged durability and premium craftsmanship.

In Conclusion

CORE 4X4 Front Bump Stop Extensions (J-JK-F-BSK) are a must-have upgrade for lifted 2007-2018 Jeep Wrangler JK/JKU models, offering essential suspension protection, superior durability, and easy installation. Keep your rig trail-ready and protected—upgrade today and drive with confidence!


Make Model Submodel Years
Jeep Wrangler 2007 - 2018

Vehicle Jeep Wrangler JK / JKU (07–18)
Brand CORE 4X4
Color Black or Blue or Charcoal or Green or Light Green or Orange or Purple or Red or White or Yellow or Raw Aluminum or Custom Color - Other than what is listed above. Extra charge varies. We will reach out after order is placed.
Bump Stops None or New Bump Stop Rubber Pads (Available For Front Only - Not Pictured)
Height 2" or 3" or 4"

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.
GV
Gil Valk Sep 24, 2025
Google
Excellent service, Prompt responses when needing technical assistance, Amazing looking parts that fit excellently. I would recommend them to anyone looking for suspension components. Also very well packaged when we received the shipment, which means no damage from shipping company!! We went with the Crawl Series double adjustable kit and it definitely looks killer on our build!!!
JO
Jaime Overmyer Nov 23, 2025
Google
Korby was extremely helpful in helping me find the right part for my truck. He was kind, knowledgeable, and patient while I asked a million questions. He also went out of his way to find the right shipping option for me since it’s tricky where I live. I’m looking forward to getting the parts so I can fix my truck and go adventuring again soon!
JM
Jay Miller Jul 26, 2025
Google
I purchased a upper and lower set of control arms from core 4x4 they came early then expected and seem to be very nice quality I ran into a complication installing them and emailed them my question I was expecting to get the response maybe the next day because it was after hours I got a response in about a few minutes which allowed me to finish the project that day I super appreciate that, the products are good strong lifetime warranty and their customer service is top notch
MT
Ma TheMeatLoaf Mar 23, 2024
Google
Their website estimated 2 days to get my parts but actually took 11. No communication to let me know what’s going on. Parts were missing. Some days they answer questions, some they don’t. Didn’t let me know I’d have to alter stock bolts to fit their parts. All around just seems like they don’t care.
JH
Joe Hu Sep 24, 2025
Google
Amazing! I put all my new control arms and it drives a lot smoother and looks great!!!
D
DSI Jul 26, 2025
Google
Great products with excellent customer service after the sale
SA
Samuel “SamDaman904” Anscher Mar 23, 2024
Google
I meant to put this reviewing about a year ago now, but ever since I’ve had the core 4 x 4, upper and lower control arms on my 2017 ram 1500, they have worked flawlessly leave been on many offering chips, and I’ll definitely be buying new accessories from them in the future and their new upper control arms that they’re offering for all of the ram trucks. Fantastic customer service fantastic health very automotive, off-road, friendly, and any aftermarket thing for your truck or SUV that they currently have!
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