Looking for the 80″ Square Black Running Board Step 66080 For 15-17 Chevy HD Diesel Extended Cab? It is on the shelf here, checked and ready to ship.

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.
Ordering the 80″ square black running board step 66080 takes a minute and the confirmation reaches you straight away.
Our team knows the 80″ square black running board step 66080 well, so ask if anything about the specification is unclear.
Stock of the 80″ square black running board step 66080 is live on this page rather than estimated.
Shops order the 80″ square black running board step 66080 from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the 80″ square black running board step 66080 against it.
The 80″ square black running board step 66080 ships protected, because a damaged part helps nobody.
Quick specs
- Finish: Black
- Category: Running Boards/Steps
- Price: $485.01 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 ABS Plastic Blow Molded
- Color: Black Board & End Cap
- Surface Finish: Satin
- Style: Straight Board Design
- Cab/Door: Extended Cab
- Loading Capacity: 300LB Each Board
- Running Board Size: 80″ Total Length, 6″ Square Body
- Step Pads: Full Length Step 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 (Extended Cab)
For (May)2015-2017 Chevrolet Silverado 3500 HD Diesel Engine ONLY (Extended Cab)
For (May)2015-2017 GMC Sierra 2500 HD Diesel Engine ONLY (Extended Cab)
For (May)2015-2017 GMC Sierra 3500 HD Diesel Engine ONLY (Extended 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-66080+BK-3005, RUNB-66080, BK-3005
Every order gets a fitment review before dispatch, and anything doubtful gets a message rather than a shipment.
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Dispatch is quick because the inventory is real, and you receive tracking the moment the label prints.
When you want a second opinion that is not a parts store, read the NHTSA vehicle safety hub.
Frequently asked questions
Will this part fit my vehicle?
Share your vehicle details with our team and we cross reference this listing before dispatch. Anything doubtful gets a message from us rather than a shipment.
Do you ship the same day?
Dispatch is normally the same or next business day, and heavy items travel on freight with a booked delivery window.
What is the return policy?
Returns are handled in one reply for most cases. Keep your order confirmation, since it is the only proof of purchase we need.
What quality checks does this get?
We confirm cab configuration and bracket completeness before these orders ship.


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