This listing covers the 87″ Black Nerf Bar Running Board Step 21087 For 06-11 Lincoln Mark LT Crew Cab, one of the parts our fitment desk checks most often.

Towing components should be matched to the trailer weight rather than the vehicle capacity alone. Confirm cab configuration twice, because that is where most returns originate.
Buyers comparing the 87″ black nerf bar running board step will find the specification detail on this page rather than in a catalog footnote.
The 87″ black nerf bar running board step listed here is checked against your vehicle before dispatch.
Every 87″ black nerf bar running board step order goes through the same fitment review.
Details that matter
- Finish: Black
- Category: Running Boards/Steps
- Price: $414.92 with free shipping over $99
- Availability: in stock, dispatched from the USA
Message us the vehicle details and we will confirm compatibility, including anything unusual about your build.
Customers also open: Running Boards & Towing · 87″ Black/6″ Square Body Running Board Nerf Step Bar 63087 For 22+ Toyota Tundra CrewMax Cab (XK70) · 87″ Chrome/6″ Oval Tube Running Board Nerf Step Bar 5987C For 22+ Toyota Tundra CrewMax Cab (XK70) · full catalog
Our warehouse team packs the way they would want their own parts to arrive.
Before you start the job, the NHTSA tire safety guide is worth five minutes.
Buyer questions
Is fitment guaranteed on this listing?
Send your VIN or your year, make and model and our fitment desk confirms the part against manufacturer data before it ships. The check is free and usually answered the same business day.
How fast does this ship?
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.
Is the part inspected before dispatch?
We confirm cab configuration and bracket completeness before these orders ship.
![(Straight Design Black) Running Board Nerf Bar For 99-19 Silverado/Sierra [Standard Cab]](https://partsmithco.com/wp-content/uploads/2026/07/XUR-STEPB-4-883-BK-1-300x300.jpg)

![(Straight Design Metal) Running Board Nerf Bar For Ford 15+ F-150 / 17+ F-250 F-350 Super Duty [Crew Cab]](https://partsmithco.com/wp-content/uploads/2026/07/STEPB-4-888-SS_1-300x300.jpg)

Reviews
There are no reviews yet.