The 80″ Square Black Running Board Step 66080 For 11-14 Chevy HD Diesel 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. Verify trailer wiring function before the first tow.
Drivers choose the 80″ square black running board step 66080 here for honest specification detail and quick dispatch.
Buyers comparing the 80″ square black running board step 66080 will find the specification detail on this page rather than in a catalog footnote.
The 80″ square black running board step 66080 listed here is checked against your vehicle before dispatch.
Every 80″ square black running board step 66080 order goes through the same fitment review.
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.
Quick specs
- Finish: Black
- Category: Running Boards/Steps
- Price: $482.31 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 2011-2014 Chevrolet Silverado 2500 HD Diesel Engine ONLY (Extended Cab)
For 2011-2014 Chevrolet Silverado 3500 HD Diesel Engine ONLY (Extended Cab)
For 2011-2014 GMC Sierra 2500 HD Diesel Engine ONLY (Extended Cab)
For 2011-2014 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-3002, RUNB-66080, BK-3002
Our team checks doubtful orders by hand, so share your vehicle details and we will verify this listing against manufacturer data.
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We pack for the worst day the carrier can have, which keeps our damage rate low.
Further reading from a neutral source: the NHTSA vehicle safety hub.
Before you order
Is fitment guaranteed on this listing?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
How long does delivery take?
Most orders dispatch within one business day. You receive tracking by email the moment the parcel is handed to the carrier.
What is the return policy?
Contact support before removing or returning anything, so the right process starts on the first message and nothing is voided by accident.
What happens before my order ships?
Boards and towing gear are verified against your cab and bed configuration before dispatch.

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