Here is the (Round Drop Black) Running Board Nerf Bar For 07-18 Silverado Sierra 1500/07-19 2500 3500 HD [Extended Cab], listed with the specifications that actually decide whether it fits.
![(Round Drop Black) Running Board Nerf Bar For 07-18 Silverado Sierra 1500/07-19 2500 3500 HD [Extended Cab]](https://partsmithco.com/wp-content/uploads/2026/07/STEPB-ZTL-8120_1.jpg)
Weight ratings separate quality kits from bargain sets that sag after a season. Use thread lock on bracket bolts, since washboard roads back them out.
If your build is unusual, tell us and we will confirm the round drop black against it.
The round drop black ships protected, because a damaged part helps nobody.
Drivers choose the round drop black here for honest specification detail and quick dispatch.
Buyers comparing the round drop black will find the specification detail on this page rather than in a catalog footnote.
The round drop black listed here is checked against your vehicle before dispatch.
Every round drop black order goes through the same fitment review.
The important numbers
- Finish: Black
- Category: Running Boards/Steps
- Price: $274.01 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
Running boards give your ride a massive boost when it comes to look and utility. Combining the stylish appearance and rugged looks, these inventive running boards are the ideal way to upgrade your truck or SUV. They are built tough and are highly corrosion resistant. Getting in and out of your vehicle is easy with the large non-skid molded pads that ensure secure footing. No drill installation! These running boards are very easy to install with the brackets fitting right into the existing factory holes. By not having to not drill in to your vehicle, your time and effort is saved by you.
- Material: Mild Steel
- Color: Black
- Finish: Textured Matte
- Style: Round Bar Drop Step
- Measurement: 80″ Total Length, 3″ Round Tube Diameter
- Step Pads: 4.35″ 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 2007-2018 Chevrolet Silverado 1500
For 2007-2019 Chevrolet Silverado 2500 HD
For 2007-2019 Chevrolet Silverado 3500 HD
For 2007-2018 GMC Sierra 1500
For 2007-2019 GMC Sierra 2500 HD
For 2007-2019 GMC Sierra 3500 HD
Remark: Fits Extended Cab Models ONLY
Does Not Fit Diesel Models Equipped with DEF Tank
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-Z-8120
Give us the VIN and we will check trim, engine option and drive type, the three details that break fitment.
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Every parcel carries tracking that updates with each carrier scan until it reaches your door.
For safety and service guidance from outside the aftermarket, see the NHTSA vehicle safety hub.
Quick answers
Will this part fit my vehicle?
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?
We ship from a USA warehouse with quick dispatch, and delivery estimates appear at checkout once you enter your address.
What is the return policy?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
What quality checks does this get?
We confirm cab configuration and bracket completeness before these orders ship.
![(Straight Design Metal) Running Board Nerf Bar For Ford 15+ F-150 / 17+ F-250 F-350 Super Duty [Crew Cab]](https://partsmithco.com/wp-content/uploads/2026/07/STEPB-4-888-SS_1-300x300.jpg)
![(Straight Design Metal) Running Board Nerf Bar For 99-19 Silverado/Sierra [Standard Cab]](https://partsmithco.com/wp-content/uploads/2026/07/XUR-STEPB-4-883-SS-300x300.jpg)


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