Looking for the 87″ Black Nerf Bar Running Board 21087 For 15-17 Chevy GMC HD Diesel Crew Cab? It is on the shelf here, checked and ready to ship.

Towing components should be matched to the trailer weight rather than the vehicle capacity alone. Verify trailer wiring function before the first tow.
Stock of the 87″ black nerf bar running board 21087 is live on this page rather than estimated.
Shops order the 87″ black nerf bar running board 21087 from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the 87″ black nerf bar running board 21087 against it.
The 87″ black nerf bar running board 21087 ships protected, because a damaged part helps nobody.
Drivers choose the 87″ black nerf bar running board 21087 here for honest specification detail and quick dispatch.
Buyers comparing the 87″ black nerf bar running board 21087 will find the specification detail on this page rather than in a catalog footnote.
Details that matter
- Finish: Black
- Category: Running Boards/Steps
- Price: $427.06 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 & End Cap
- Surface Finish: Satin
- Style: Straight Board with Angle End Cap
- Cab/Door: Crew Cab
- Loading Capacity: 300LB Each Board
- Running Board Size: 87″ 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 (May)2015-2017 Chevrolet Silverado 2500 HD Diesel Engine ONLY Crew Cab
For (May)2015-2017 Chevrolet Silverado 3500 HD Diesel Engine ONLY Crew Cab
For (May)2015-2017 GMC Sierra 2500 HD Diesel Engine ONLY Crew Cab
For (May)2015-2017 GMC Sierra 3500 HD Diesel Engine ONLY Crew Cab
Remark: Fit Models with Diesel Engine 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-21087+BK-3005, RUNB-21087, BK-3005
We would rather answer a question before you buy than process a return afterward, so ask freely.
Related parts: Running Boards & Towing · 87″ Chrome/6″ Square Body Running Board Nerf Step Bar 63087C For 22+ Toyota Tundra CrewMax Cab (XK70) · 87″ Black/6″ Square Body Running Board Nerf Step Bar 63087 For 22+ Toyota Tundra CrewMax Cab (XK70) · full catalog
We pack for the worst day the carrier can have, which keeps our damage rate low.
Independent information on this topic lives at the NHTSA tire safety guide.
Before you order
Is fitment guaranteed on this listing?
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?
Most orders dispatch within one business day. You receive tracking by email the moment the parcel is handed to the carrier.
Is there a warranty on this?
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.



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