PartSmith Co. keeps the (Curved End Oval Black) Running Board Nerf Bar For 05-21 Nissan Frontier (D40 2nd Gen) [Crew Cab] in stock so your repair is not waiting on a supplier.
![(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_1-2.jpg)
Complete hardware in the box is the difference between an afternoon job and a second parts order. Check clearance at full suspension travel before final torque.
Drivers choose the curved end oval black here for honest specification detail and quick dispatch.
Buyers comparing the curved end oval black will find the specification detail on this page rather than in a catalog footnote.
The curved end oval black listed here is checked against your vehicle before dispatch.
Part details
- Finish: Black
- Category: Running Boards/Steps
- Price: $225.44 with free shipping over $99
- Availability: in stock, dispatched from the USA
Every order gets a fitment review before dispatch, and anything doubtful gets a message rather than a shipment.
Related listings: Running Boards & Towing · 87″ Black/6″ Oval Tube Running Board Nerf Step Bar 10387 For 22+ Toyota Tundra CrewMax Cab (XK70) · 87″ Chrome/5″ Oval Tube Running Board Nerf Step Bar 10287C For 22+ Toyota Tundra CrewMax Cab (XK70) · full catalog
Your order is picked, inspected and packed by a person, then handed to the carrier with tracking the same day.
Further reading from a neutral source: the NHTSA vehicle safety hub.
Common 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.
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.
What is the return policy?
Contact support before removing or returning anything, so the right process starts on the first message and nothing is voided by accident.
Is the part inspected before dispatch?
We confirm cab configuration and bracket completeness before these orders ship.


![(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)

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