The 80″ Black ChromeCap Running Board 21080C For 14-18 Silverado Sierra Extended Cab is in stock at PartSmith Co. and ready for dispatch from our USA warehouse.

Weight ratings separate quality kits from bargain sets that sag after a season. Check clearance at full suspension travel before final torque.
If your build is unusual, tell us and we will confirm the 80″ black chromecap running board 21080c against it.
The 80″ black chromecap running board 21080c ships protected, because a damaged part helps nobody.
Drivers choose the 80″ black chromecap running board 21080c here for honest specification detail and quick dispatch.
Buyers comparing the 80″ black chromecap running board 21080c will find the specification detail on this page rather than in a catalog footnote.
Every 80″ black chromecap running board 21080c order goes through the same fitment review.
Ordering the 80″ black chromecap running board 21080c takes a minute and the confirmation reaches you straight away.
What you are buying
- Finish: Black
- Category: Running Boards/Steps
- Price: $434.19 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
This additional step comes with high quality gripping platforms to ensure that one does not lose balance when entering their vehicles. Not only will it serve the function of safety and fashion, it will also aid children and adults alike when entering high vehicles. With these running boards, there is no longer the need for ladders or stools to reach the top of you car. This is a great addition to your vehicle and will definitely serve you well, whatever your needs may be.
- Material: High Grade Ridged Aluminum
- Color: Black Board/Metallic End Cap
- Surface Finish: Satin Board/Chrome Cap
- Style: Straight Board with Angle End Cap
- Cab/Door: Extended Cab
- Loading Capacity: 300LB Each Board
- Running Board Size: 80″ Total Length, 5.5″ Wide Flat
- Step Pads: 5.5″ Aluminum Pad
- All Necessary Hardware Included for a Complete Installation
- Built From Durable, Rust-Resistant, UV resistant, no fading or cracking
- 3 Year Warranty , Product are warranted to be free of defects in material and workmanship
Application:
For 2014-2018 Chevrolet Silverado 1500 Extended Cab
For 2015-2018 Chevrolet Silverado 2500 HD Extended Cab
For 2015-2018 Chevrolet Silverado 3500 HD Extended Cab
For 2014-2018 GMC Sierra 1500 Extended Cab
For 2015-2018 GMC Sierra 2500 HD Extended Cab
For 2015-2018 GMC Sierra 3500 HD Extended Cab
Remark:
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-21080C+BK-3012, RUNB-21080C, BK-3012
Message us the vehicle details and we will confirm compatibility, including anything unusual about your build.
Keep shopping: 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
Heavy items are double boxed or palletized, because transit damage helps nobody.
If you want independent guidance before ordering, the Car Care Council maintenance tips is a useful reference.
Common questions
What do you need to verify fitment?
The application text on this page lists what the part serves. If your vehicle is not clearly covered, send the VIN and we will rule on it before you pay.
When will my order dispatch?
Your tracking link arrives by email at label creation and stays live until delivery, so you can follow the parcel the whole way.
Can I return this part?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
How do you protect it in transit?
We confirm cab configuration and bracket completeness before these orders ship.


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