This is the (Curved End Black) Running Board Nerf Bar For 05-21 Nissan Frontier (D40 2nd Gen) [Crew Cab], stocked in our warehouse and backed by a free fitment check.
![(Curved End Black) Running Board Nerf Bar For 05-21 Nissan Frontier (D40 2nd Gen) [Crew Cab]](https://partsmithco.com/wp-content/uploads/2026/07/STEPB-3-054-BK_1.jpg)
Coating quality decides how the hardware survives salt, gravel and daily boot traffic. Rinse mounting points each spring in salt states and touch up coating chips.
If your build is unusual, tell us and we will confirm the curved end black against it.
The curved end black ships protected, because a damaged part helps nobody.
Drivers choose the curved end black here for honest specification detail and quick dispatch.
The important numbers
- Finish: Black
- Category: Running Boards/Steps
- Price: $214.86 with free shipping over $99
- Availability: in stock, dispatched from the USA
Send the old part number or a photo and we will match it against this listing before you commit.
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
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 vehicle safety hub.
Buyer questions
Is fitment guaranteed on this listing?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
What are the shipping times?
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.
How do returns work here?
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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