The (Step-Down Black) Running Board Nerf Bar For 07-21 Toyota Tundra (XK50 2nd Gen) [Extended Cab] is available now, with fitment data on the page and a team behind it.
![(Step-Down Black) Running Board Nerf Bar For 07-21 Toyota Tundra (XK50 2nd Gen) [Extended Cab]](https://partsmithco.com/wp-content/uploads/2026/07/XUR-STEPB-G222-013-2.jpg)
Weight ratings separate quality kits from bargain sets that sag after a season. Lay out every bracket and fastener before starting the installation.
Every step-down black order goes through the same fitment review.
Ordering the step-down black takes a minute and the confirmation reaches you straight away.
Our team knows the step-down black well, so ask if anything about the specification is unclear.
Details that matter
- Finish: Black
- Category: Running Boards/Steps
- Price: $356.05 with free shipping over $99
- Availability: in stock, dispatched from the USA
Give us the VIN and we will check trim, engine option and drive type, the three details that break fitment.
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Same business day dispatch applies to orders placed before early afternoon, and every parcel travels tracked.
When you want a second opinion that is not a parts store, read the NHTSA tire safety guide.
Common questions
What do you need to verify fitment?
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?
Dispatch is normally the same or next business day, and heavy items travel on freight with a booked delivery window.
What if it does not fit?
If the part does not fit, message our support desk with the order number and we will arrange an exchange or refund. Keep the packaging until the test fit is done.
Is this checked before shipping?
Boards and towing gear are verified against your cab and bed configuration before dispatch.
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