The (Step-Down Black) Running Board Nerf Bar For 07-21 Toyota Tundra (XK50 2nd Gen) [Crew Cab] is one of our steady sellers in Running Boards & Towing, and it ships from the USA.
![(Step-Down Black) Running Board Nerf Bar For 07-21 Toyota Tundra (XK50 2nd Gen) [Crew Cab]](https://partsmithco.com/wp-content/uploads/2026/07/XUR-STEPB-G222-012.jpg)
Weight ratings separate quality kits from bargain sets that sag after a season. Rinse mounting points each spring in salt states and touch up coating chips.
The step-down black ships protected, because a damaged part helps nobody.
Drivers choose the step-down black here for honest specification detail and quick dispatch.
Buyers comparing the step-down black will find the specification detail on this page rather than in a catalog footnote.
Part details
- Finish: Black
- Category: Running Boards/Steps
- Price: $347.61 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/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
Parcels leave our USA warehouse promptly and arrive protected, because packaging failures are returns waiting to happen.
General guidance on this system is published in the NHTSA vehicle safety hub.
Buyer questions
Can you check fitment before I order?
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.
How fast does this ship?
We ship from a USA warehouse with quick dispatch, and delivery estimates appear at checkout once you enter your address.
What happens if it arrives damaged?
A straightforward returns window applies from delivery. Keep the original packaging until you have test fitted the part and contact support for a fast exchange or refund.
What quality checks does this get?
We confirm cab configuration and bracket completeness before these orders ship.

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![(Straight Design Metal) Running Board Nerf Bar For 99-14 Chevrolet Silverado/GMC Sierra GMT800 GMT900 [Crew Cab]](https://partsmithco.com/wp-content/uploads/2026/07/XUR-STEPB-4-886-SS-300x300.jpg)
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