This listing covers the 87″ Black Chrome Cap Running Board Step 21087C For 19+ Silverado/Sierra Crew Cab, one of the parts our fitment desk checks most often.

Running boards and towing gear carry real loads, so bracket engineering matters more than tube finish. Lay out every bracket and fastener before starting the installation.
If your build is unusual, tell us and we will confirm the 87″ black chrome cap running board step against it.
The 87″ black chrome cap running board step ships protected, because a damaged part helps nobody.
Drivers choose the 87″ black chrome cap running board step here for honest specification detail and quick dispatch.
Buyers comparing the 87″ black chrome cap running board step will find the specification detail on this page rather than in a catalog footnote.
Every 87″ black chrome cap running board step order goes through the same fitment review.
Ordering the 87″ black chrome cap running board step takes a minute and the confirmation reaches you straight away.
Our team knows the 87″ black chrome cap running board step well, so ask if anything about the specification is unclear.
At a glance
- Material: Chrome
- Finish: Black
- Category: Running Boards/Steps
- Price: $445.88 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: 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 2019+ Chevrolet Silverado 1500 Crew Cab (Gas Engine)
For 2019+ Chevrolet Silverado 2500 HD Crew Cab (Gas Engine)
For 2019+ Chevrolet Silverado 3500 HD Crew Cab (Gas Engine)
For 2020+ Chevrolet Silverado 1500 Crew Cab (Diesel Engine)
For 2020+ Chevrolet Silverado 2500 HD Crew Cab (Diesel Engine)
For 2020+ Chevrolet Silverado 3500 HD Crew Cab (Diesel Engine)
For 2019+ GMC Sierra 1500 Crew Cab (Gas Engine)
For 2019+ GMC Sierra 2500 HD Crew Cab (Gas Engine)
For 2019+ GMC Sierra 3500 HD Crew Cab (Gas Engine)
For 2020+ GMC Sierra 1500 Crew Cab (Diesel Engine)
For 2020+ GMC Sierra 2500 HD Crew Cab (Diesel Engine)
For 2020+ GMC Sierra 3500 HD Crew Cab (Diesel Engine)
Remark: Fit Gas Engine from 2019+, Fit Diesel Engine from 2020+
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-21087C+BK-3022, RUNB-21087C, BK-3022
Unsure about the specification? Our desk cross references against manufacturer data at no cost.
More in this department: Running Boards & Towing · 87″ Chrome/6″ Square Body Running Board Nerf Step Bar 66087C For 22+ Toyota Tundra CrewMax Cab (XK70) · 87″ Black/6″ Square Body Running Board Nerf Step Bar 66087 For 22+ Toyota Tundra CrewMax Cab (XK70) · full catalog
Every parcel carries tracking that updates with each carrier scan until it reaches your door.
If you want independent guidance before ordering, the NHTSA tire safety guide is a useful reference.
Frequently asked questions
How do I confirm this fits?
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.
How long does delivery take?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
What happens if it arrives damaged?
Contact support before removing or returning anything, so the right process starts on the first message and nothing is voided by accident.
Is the part inspected before dispatch?
We confirm cab configuration and bracket completeness before these orders ship.

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