Here is the (OE Style Black) Running Board Nerf Bar For 18+ Jeep Wrangler 4DR Unlimited JL, listed with the specifications that actually decide whether it fits.

Cab and bed configuration decide fitment, and a crew cab part will not serve an extended cab. Lay out every bracket and fastener before starting the installation.
Drivers choose the oe style black here for honest specification detail and quick dispatch.
Buyers comparing the oe style black will find the specification detail on this page rather than in a catalog footnote.
The oe style black listed here is checked against your vehicle before dispatch.
Details that matter
- Finish: Black
- Category: Running Boards/Steps
- Price: $236.01 with free shipping over $99
- Availability: in stock, dispatched from the USA
When two options look similar, our parts team will tell you which one your vehicle actually takes.
More in this department: Running Boards & Towing · 87″ Black/6″ Square Body Running Board Nerf Step Bar 63087 For 22+ Toyota Tundra CrewMax Cab (XK70) · 87″ Chrome/6″ Oval Tube Running Board Nerf Step Bar 5987C For 22+ Toyota Tundra CrewMax Cab (XK70) · full catalog
Dispatch is quick because the inventory is real, and you receive tracking the moment the label prints.
General guidance on this system is published in the NHTSA vehicle safety hub.
Questions we get about this part
What do you need to verify fitment?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
When will my order dispatch?
Orders placed before early afternoon on a business day usually leave our USA warehouse the same day, and tracking is emailed when the label is created.
Is there a warranty on this?
If the part does not fit, message our support desk with the order number and we will arrange an exchange or refund. Keep the packaging until the test fit is done.
What quality checks does this get?
Boards and towing gear are verified against your cab and bed configuration before dispatch.

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