Order the (Curved End Black) Running Board Nerf Bar For 05-21 Nissan Frontier (D40 2nd Gen) [Extended Cab] from a parts team that verifies fitment before anything leaves the building.
![(Curved End Black) Running Board Nerf Bar For 05-21 Nissan Frontier (D40 2nd Gen) [Extended Cab]](https://partsmithco.com/wp-content/uploads/2026/07/STEPB-3-053-BK_1.jpg)
Towing components should be matched to the trailer weight rather than the vehicle capacity alone. Use thread lock on bracket bolts, since washboard roads back them out.
Buyers comparing the curved end black will find the specification detail on this page rather than in a catalog footnote.
The curved end black listed here is checked against your vehicle before dispatch.
Every curved end black order goes through the same fitment review.
Details that matter
- Finish: Black
- Category: Running Boards/Steps
- Price: $202.27 with free shipping over $99
- Availability: in stock, dispatched from the USA
Unsure about the specification? Our desk cross references against manufacturer data at no cost.
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Delivery estimates appear at checkout for your address, with no padding added to the carriage price.
If you want independent guidance before ordering, the NHTSA tire safety guide is a useful reference.
Buyer questions
How do I know this is the right part?
Trim level, engine option and drive type decide most fitment questions. Send those three details or the VIN and we will check them for you.
When will my order dispatch?
Your tracking link arrives by email at label creation and stays live until delivery, so you can follow the parcel the whole way.
What happens if it arrives damaged?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
How do you protect it in transit?
Boards and towing gear are verified against your cab and bed configuration before dispatch.
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