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Last Chance to Save Before Spring -
Now through New Years Day

Last Chance to Save Before Spring - Now through New Years Day

Up to 40% OFF

Up to 40% OFF

10% off all Core4x4 products + an additional 15% off all open box products
+ an additional 15% off all overstock products.

Aftermarket adjustable
control arms & parts

Unleash your
off-road spirit

Take on any adventure with our lifetime guarantee on parts.

The perfect gift for every occasion

Core 4x4 Gift Cards

Purchase Today!

Latest products

Made in the USA | Lifetime warranty | Factory direct

We are fiercely dedicated to crafting control arms of unparalleled quality, ready to conquer any trail or obstacle, while delivering exceptional on-road performance.

You break it,
we replace it

Our lifetime guarantee ensures you get peace of mind wherever you travel

We built Core 4X4 by offering strong, quality products at an affordable price.

We provide a great solution and a solid product for all builds and budgets. We take your trust seriously, so we back our aftermarket parts and kits with a lifetime guarantee. We are committed to providing products that meet and exceed your expectations. Our lifetime guarantee means that we are with you every step of the way, ensuring the longevity and performance of the parts you’ve invested in. Whatever adventure or challenge you undertake, you can drive confidently.

Discover Core 4x4

Video Collection

Aftermarket parts that are

Specifically built to last

Forge your path forward and go beyond ordinary stock parts with our premium quality control arms. Crafted for endurance and rugged durability, they are your ultimate choice for conquering any off-road adventure. Elevate your Jeep’s performance and enjoy the freedom of custom options tailored to your needs. Our control arms can hold their own on even the most challenging terrains.

We are fueled by

American passion

Starting with a teenage kid’s dream in ’99, Core 4×4 grew slowly and surely. From the resurrection of an ’89 Jeep Cherokee to a grease-stained driveway, the path to our business today was built on hard work, resourcefulness, and resilience. 

Testimonials

What Customers
are Saying

At the heart of our mission is a steadfast commitment to the production of premium products, engineered to conquer any challenging trail or obstacle with unwavering resilience, all while ensuring outstanding on-road performance. Our relentless dedication to customer satisfaction and the meticulous craftsmanship of our products are the cornerstones of our operation, reflecting our unwavering commitment to providing you with the finest quality and performance in every product we create.

Eric
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"Awesome control arms! My mechanic said 'Your Jeep is pretty much bulletproof now', and I just got the tier 1 arms! The people at the Core4x4 shop were really nice too. They were running behind on shipping, (which is understandable) so I decided to go pick it up because it was only an hour drive. They gave me a free $60 hardware kit for the inconvenience. Thanks Core4x4! You guys are awesome!!"
Ben
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"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!"
Colten
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"Great quality arms in multiple styles and colors! I purchased the tier 3 short arms for my 98 xj. I can say that they setoff nicely so my 35 inch tires do not rub! The body of the arm is bulletproof. However make sure to maintain and grease the joints regularly as with any greaseable joint and they should last forever. I recommend this setup to any and all Jeepers looking to get away from the stock arm setup. Mechanic and bodyman of 12 years and my first choice for quality control arms!"
Brad
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"Outstanding experience! I asked Core to build me a set of custom control arms that were larger/heavier than they normally build. They gladly accepted the challenge and turned out an expertly crafted and super strong product ahead of schedule. Fit and finish are excellent. Spence and Cameron were a pleasure to work with every step of the way. And all of this for a very reasonable price. I highly recommend these guys!"
Luke
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"Excellent quality product and service. My l lower control arms broke and within the same day core 4x4 hooked me up with tier 2 arms and with the color I wanted. My Jeep rides better and has been solid for several months so far. 10/10 would recommend their products to anyone."
Justin
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"Purchased Tier 3 control arms and rear track bar for a 2006 Jeep LJ. I had some technical questions and they were happy to answer them. They allow local pickup and were built to order same week. The order was wrapped and ready when I walked in and even gave a tour of the shop. Very impressed. Happy to do business with these guys."
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Common Inquiries

Frequently Asked Questions

We provide quick and informative answers, ensuring a seamless and informed experience for our customers.

Reach out to our sales team and we can quote you for whatever color you prefer, special colors usually only take us about a week to finish for you, and we generally only charge for the cost of the powder.

Any orders over $750 will require signature unless otherwise requested. We are not responsible for lost or stolen packages, however we will do everything we can to work with the carrier to recover your order for you. If theft is a problem in your area, please reach out to request signature to help ensure safe delivery.

The majority of our shipping is done with FedEx, and often FedEx Express. If you prefer another option, let us know and we will do our best to accomodate!

If you need it by a certain day, reach out to us and we will do our best to make it happen!

We continuously build and powdercoat our products in house to ensure the fastest lead times, even with custom color requests. Standard orders ship within 3 business days and often faster. Special colors ship within 5-10 business days.

Maximum strength for wherever the road takes you

From rocky roads to sandy dunes, find aftermarket control arms and parts that will get you where you love to go.

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A promise from the owner

If you manage to break It,
we'll replace it.

As the founder of Core 4×4, I stand behind our unwavering commitment to delivering top-tier, American-made products that don’t break the bank. We take immense pride in our craftsmanship, sourcing materials domestically to ensure the highest quality possible. Our team goes the extra mile to rigorously test and refine every product, ensuring it not only meets but exceeds industry standards. When you choose us, you’re choosing durability, reliability, and affordability. That’s not just a business model— it’s a promise, from our family to yours.

Sincerely,
Spence Schramm
Founder, Core 4×4