This listing covers the (Step-Down Black) Running Board Nerf Bar For 15+ Ford F-150/17+ F-250 F-350 Super Duty [Extended Cab], one of the parts our fitment desk checks most often.
![(Step-Down Black) Running Board Nerf Bar For 15+ Ford F-150/17+ F-250 F-350 Super Duty [Extended Cab]](https://partsmithco.com/wp-content/uploads/2026/07/XUR-STEPB-G222-008-2.jpg)
Weight ratings separate quality kits from bargain sets that sag after a season. Confirm cab configuration twice, because that is where most returns originate.
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.
The important numbers
- Finish: Black
- Category: Running Boards/Steps
- Price: $346.70 with free shipping over $99
- Availability: in stock, dispatched from the USA
Shops ordering in volume can send a full parts list and we will verify the whole job in one reply.
More in this department: Running Boards & Towing · 87″ Black/6″ Square Body Running Board Nerf Step Bar 66087 For 22+ Toyota Tundra CrewMax Cab (XK70) · 87″ Chrome/6″ Square Body Running Board Nerf Step Bar 63087C For 22+ Toyota Tundra CrewMax Cab (XK70) · full catalog
Dispatch is quick because the inventory is real, and you receive tracking the moment the label prints.
General guidance on this system is published in the Car Care Council maintenance tips.
Quick answers
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.
Do you ship the same day?
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?
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.
How do you verify this part?
Boards and towing gear are verified against your cab and bed configuration before dispatch.
![(Straight Design Black) 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-BK-300x300.jpg)
![(Straight Design Black) Running Board Nerf Bar For 99-19 Silverado/Sierra [Standard Cab]](https://partsmithco.com/wp-content/uploads/2026/07/XUR-STEPB-4-883-BK-1-300x300.jpg)
![(Straight Design Metal) Running Board Nerf Bar For 04-14 Ford F-150 (P221 11th, P415 12th Gen) [Extended Cab]](https://partsmithco.com/wp-content/uploads/2026/07/XUR-STEPB-4-885-SS-300x300.jpg)
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