Name: Roll Cage Kit for Jeep JLU
Brand: Motobilt
SKU: MB3045
Price: 3979.00 USD
Availability: InStock

Once you start pushing a Jeep JLU harder off-road, the limitations of the factory cage become obvious. The OE cage was designed for basic safety and daily driving, not for the kind of loads that come with rock crawling, hard trail use, or a fully built suspension system. It lacks proper tie-in points, strength in key areas, and overall structural rigidity.

Builders who wheel their rigs hard or want a properly built interior structure usually end up replacing the factory cage entirely. Trying to reinforce the stock cage only goes so far. The geometry and mounting points limit how much strength you can actually add.

This Motobilt Replacement Roll Cage Kit is built to address those limitations with a full internal structure designed around real off-road use. The main hoops use 2 inch x .120 wall DOM tubing, with 1.75 inch tubing used in crossmembers to balance strength, fitment, and interior space. The system ties into the vehicle at 10 key mounting points, helping distribute loads through the chassis instead of concentrating stress in weak factory areas.

The cage includes dash V-bars, B-pillar harness bar, C-pillar X-brace, and integrated grab handle locations. These features increase rigidity while also supporting harness mounting and driver control in rough terrain. The layout also allows for dome light integration and is designed to work with Baja Designs lighting.

This system was developed from real fabrication experience and designed to fit inside the Jeep JLU while still working with factory seats and seat belts. It supports soft tops, hard tops, and One Touch tops with modification.

This is not a bolt-in accessory. It is a builder-focused system that requires cutting, fitting, and welding. The result is a significantly stronger cage structure that matches the level of a serious off-road build.

Important Safety & Liability Notice

Off-Road Use Only: This product is engineered exclusively for off-road recreational use. It is not certified or intended for on-road use and may render your vehicle non-compliant with federal, state, or local regulations.
No Guarantee of Safety: Adding a roll cage significantly improves structural rigidity, but does not guarantee occupant safety or survival in all rollover or impact scenarios.
Not for Racing or Motorsports: This product is not designed, tested, or rated for racing or motorsports use. It should not be used in competitive or high-speed environments.
Professional Installation Required: Installation must be performed by a qualified welder/fabricator. Improper installation may compromise the integrity of the cage and vehicle, and could lead to serious injury or death. Some modification of factory panels may be required.
Do Not Modify Tubing: Do not drill, notch, or cut into any roll cage tubing to run wires or mount accessories. Any modifications to the tubing compromise its strength and integrity. If modification is necessary, the tube must be reinforced using a welded-in bung or the hole must be fully welded closed.
Airbag and Safety System Interference: This product may interfere with or disable factory-installed safety systems such as airbags or crash sensors. The user assumes all responsibility for any required modifications and their consequences.
No Warranty or Liability: This product is sold “as is” with no express or implied warranty, including but not limited to any warranty of merchantability or fitness for a particular purpose. Motobilt, Inc. assumes no liabilityfor injury, death, or property damage resulting from the installation or use of this product. The end user assumes all risks and responsibilities.

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Important Information

Designed for 2018+ Jeep Wrangler JLU 4-door models
Replaces the factory roll cage
Compatible with soft top, hard top, and One Touch top (modification required)
Works with factory seats including 2024 power seats
Retains factory seat belts and supports aftermarket harnesses
Includes 10 tie-in points to the vehicle structure
Does not work with factory sound bar or visors
Designed for off-road use
Ships as raw steel components and requires welding and finishing

Product Specifications

Vehicle Fitment

2018+ Jeep Wrangler JLU 4 Door

Material

2 inch x .120 wall DOM tubing (main structure)

1.75 inch tubing (crossmembers)

Dimensions

Not specified

Weight

Not specified

Manufactured

Made in the USA

Notes

Requires complete removal of the factory cage
Cage must be assembled inside the vehicle for proper fitment
System must be removed for final welding and optional coating, then reinstalled
Requires cutting and modification of factory interior plastics
Recommended installation by experienced fabricator or welder
Test fit all components before final welding
Typical install time of 40-60 hours

Frequently Asked Questions

Why should I replace the factory roll cage in my Jeep JLU?

The factory sport bar was designed to meet production vehicle requirements, not the demands of aggressive off-road use. As suspension travel, tire size, and trail difficulty increase, many builders choose a stronger cage that provides additional chassis rigidity and improved occupant protection.

What material is the Motobilt JLU Roll Cage made from?

The primary cage structure is built from 2-inch x .120-wall DOM tubing, while select crossmembers use 1.75-inch DOM tubing to optimize strength, fitment, and interior space.

Does this cage fit all Jeep JLU models?

Yes. The cage is designed to fit all 2018-current Jeep Wrangler JLU four-door models, including 2024 models equipped with factory power seats.

Does the cage work with factory hard tops and soft tops?

Yes. The cage is compatible with factory hard tops, factory soft tops, and the Sky One-Touch Power Top. The One-Touch top requires modification, and a dedicated bracket kit will be available separately.

Can I keep my factory seats and seat belts?

Yes. The cage was designed around the factory seating and seat belt system. It also includes provisions for installing aftermarket racing harnesses.

Does this cage work with the factory sound bar?

No. The factory sound bar and factory sun visors cannot be retained with this roll cage.

Does the cage include provisions for interior lighting?

Yes. The cage includes mounts designed for Baja Designs dome lights to improve interior lighting. Lights are sold separately.

Is the cage welded together before shipping?

No. The cage ships as a weld-together kit. It is assembled inside the vehicle for proper fitment, removed for final welding and finishing, and then reinstalled.

Can the cage be removed after it has been installed?

Yes. After the initial assembly and welding process, the cage is designed to be removable, making future maintenance, repairs, or modifications much easier than a permanently welded-in cage.

Is welding required?

Yes. Installation requires welding and fabrication experience. Motobilt recommends installation by a qualified fabricator or experienced welder.

Will I have to modify my Jeep?

Yes. Installation requires removal of the factory sport bar, trimming of some factory interior plastic panels, and final fitting during assembly. Depending on your vehicle configuration, additional minor modifications may be required.

How many mounting points does the cage use?

The cage features 10 body tie-in points designed to distribute loads throughout the vehicle structure and provide a significantly stronger attachment than the factory cage.

Does this cage tie into the frame?

No. The Jeep JLU uses large hydraulic body mounts between the frame and body. If the cage were tied directly into the frame, it would create a rigid connection while the rest of the body is still isolated on bushings. This mismatch in movement would cause the body to twist and can lead to cracking in the body panels.

It significantly increases structural rigidity, adds proper tie-in points, and creates a safer interior structure for off-road use.

Is this cage intended for daily drivers or serious trail rigs?

It was designed for both. The cage maintains compatibility with factory seats and tops while providing the strength, rigidity, and safety features serious off-road enthusiasts expect. Whether your Jeep is a weekend trail rig or a highly modified crawler, the cage integrates cleanly into the vehicle while dramatically improving the factory structure.

Why does the Motobilt cage use dash V-bars and an X-brace?

Proper triangulation is one of the keys to a strong roll cage. The dash V-bars, harness bar, and rear X-brace help distribute impact loads throughout the structure while increasing overall chassis rigidity during aggressive off-road use or in the event of a rollover.