PartSmith Co. supplies the (Curved End Oval Black) Running Board Nerf Bar For 05-21 Nissan Frontier (D40 2nd Gen) [Crew Cab] to drivers, shops and fleets across the USA.
![(Curved End Oval Black) Running Board Nerf Bar For 05-21 Nissan Frontier (D40 2nd Gen) [Crew Cab]](https://partsmithco.com/wp-content/uploads/2026/07/STEPB-4C-016-BK_1.jpg)
Complete hardware in the box is the difference between an afternoon job and a second parts order. Use thread lock on bracket bolts, since washboard roads back them out.
Stock of the curved end oval black is live on this page rather than estimated.
Shops order the curved end oval black from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the curved end oval black against it.
At a glance
- Finish: Black
- Category: Running Boards/Steps
- Price: $225.44 with free shipping over $99
- Availability: in stock, dispatched from the USA
Our team checks doubtful orders by hand, so share your vehicle details and we will verify this listing against manufacturer data.
Explore more: Running Boards & Towing · 87″ Black/6″ Oval Tube Running Board Nerf Step Bar 5987 For 22+ Toyota Tundra CrewMax Cab (XK70) · 87″ Black/5″ Wide Flat Running Board Nerf Step Bar 54087 For 22+ Toyota Tundra CrewMax Cab (XK70) · full catalog
Orders placed before early afternoon usually leave our USA warehouse the same business day, with tracking emailed at label creation.
For neutral background on this kind of maintenance, see the NHTSA tire safety guide.
Frequently asked questions
Is fitment guaranteed on this listing?
The application text on this page lists what the part serves. If your vehicle is not clearly covered, send the VIN and we will rule on it before you pay.
How fast does this ship?
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.
How do you verify this part?
Boards and towing gear are verified against your cab and bed configuration before dispatch.
![(Straight Design Black) Running Board Nerf Bar For 15+ Ford F-150/17+ F-250 F-350 Super Duty [Extended Cab]](https://partsmithco.com/wp-content/uploads/2026/07/STEPB-4-887-BK_1-300x300.jpg)
![(Straight Design Metal) Running Board Nerf Bar For Ford 15+ F-150 / 17+ F-250 F-350 Super Duty [Crew Cab]](https://partsmithco.com/wp-content/uploads/2026/07/STEPB-4-888-SS_1-300x300.jpg)
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