Looking for the (Straight Oval Black) Running Board Nerf Bar For 99-16 Ford F-250/350/450/550 Super Duty (PHN131) [Extended Cab]? It is on the shelf here, checked and ready to ship.
![(Straight Oval Black) Running Board Nerf Bar For 99-16 Ford F-250/350/450/550 Super Duty (PHN131) [Extended Cab]](https://partsmithco.com/wp-content/uploads/2026/07/XUR-STEPB-5O-940-BK.jpg)
Running boards and towing gear carry real loads, so bracket engineering matters more than tube finish. Rinse mounting points each spring in salt states and touch up coating chips.
Buyers comparing the straight oval black will find the specification detail on this page rather than in a catalog footnote.
The straight oval black listed here is checked against your vehicle before dispatch.
Every straight oval black order goes through the same fitment review.
Ordering the straight oval black takes a minute and the confirmation reaches you straight away.
Our team knows the straight oval black well, so ask if anything about the specification is unclear.
Stock of the straight oval black is live on this page rather than estimated.
What you are buying
- Finish: Black
- Category: Running Boards/Steps
- Price: $235.65 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
Nerf Step bars were originally designed to protect vehicles from lower body damage, but they have evolved to serve other purposes as well. Many truck and SUV owners want Nerf Step bars just for the way they looks these sleek, tubular side bars make a stylish statement on almost any rig. These Nerf Step bars also function as side steps, creating an easier and safer entry point into the vehicle, as well an aid to children and adults alike when entering high vehicles.
- Material: Rust-Resistant Mild Steel / ABS Plastic Pads
- Color: Black
- Finish: Powder Coated
- Style: Straight Board Oval Tubular
- Measurement: 5″ Oval Tube Diameter
- Step Pads: 5″ Wide Slip-Resistant Step Pads
- Loading Capacity: 500LBs Max Capacity
- Built From Durable, Rust-Resistant
- Vehicle Dedicated Fit Steel Mounting Brackets Included
- Vehicle Specific Steel Mounting Brackets Included
- All Necessary Hardware Included for a Complete Installation
- Custom Fit Direct Bolt-on Applications with No Drilling Required (Most Models)
Application:
For 1999-2016 Ford F-250 Super Duty (PHN131 1st, P356 2nd, P473 3rd Gen)
For 1999-2016 Ford F-350 Super Duty (PHN131 1st, P356 2nd, P473 3rd Gen)
For 1999-2016 Ford F-450 Super Duty (PHN131 1st, P356 2nd, P473 3rd Gen)
For 1999-2016 Ford F-550 Super Duty (PHN131 1st, P356 2nd, P473 3rd Gen)
Remark: Fits Extended Cab (SuperCab) Models ONLY
Installation: Dedicate Mounting Bracket, No Drilling
Product Content:
- 1 Pair of Running Board (Left & Right Side) as shown in the Picture above
Come with a Pack of Dedicated Mounting Hardware
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- BFC-RUNB-5O-0940-BK
Our team checks doubtful orders by hand, so share your vehicle details and we will verify this listing against manufacturer data.
Browse nearby: Running Boards & Towing · 87″ Black/6″ Square Body Running Board Nerf Step Bar 63087 For 22+ Toyota Tundra CrewMax Cab (XK70) · 87″ Chrome/6″ Oval Tube Running Board Nerf Step Bar 5987C For 22+ Toyota Tundra CrewMax Cab (XK70) · full catalog
Our warehouse team packs the way they would want their own parts to arrive.
When you want a second opinion that is not a parts store, read the Car Care Council maintenance tips.
Buyer questions
How do I know this is the right part?
Send your VIN or your year, make and model and our fitment desk confirms the part against manufacturer data before it ships. The check is free and usually answered the same business day.
What are the shipping times?
Most orders dispatch within one business day. You receive tracking by email the moment the parcel is handed to the carrier.
What happens if it arrives damaged?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
What happens before my order ships?
Boards and towing gear are verified against your cab and bed configuration before dispatch.

![(Straight Design 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/STEPB-4-887-BK_1-300x300.jpg)
![(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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