The (Curved End Oval Black) Running Board Nerf Bar For 05-21 Nissan Frontier (D40 2nd Gen) [Crew Cab] is available now, with fitment data on the page and a team behind it.
![(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_1-1.jpg)
Coating quality decides how the hardware survives salt, gravel and daily boot traffic. Use thread lock on bracket bolts, since washboard roads back them out.
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.
Every curved end oval black order goes through the same fitment review.
What you are buying
- 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/5″ Wide Flat Running Board Nerf Step Bar 54087 For 22+ Toyota Tundra CrewMax Cab (XK70) · 87″ Chrome/5″ Oval Tube Running Board Nerf Step Bar 4287C For 22+ Toyota Tundra CrewMax Cab (XK70) · full catalog
We pack for the worst day the carrier can have, which keeps our damage rate low.
Before you start the job, the NHTSA vehicle safety hub is worth five minutes.
Frequently asked questions
What do you need to verify fitment?
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 quickly can I get this?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
Is there a warranty on this?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
Is this checked before shipping?
We confirm cab configuration and bracket completeness before these orders ship.
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