
Rough CountryPart 21001S · UPC 00843030199685
Oval Nerf Step Bars, 4.5-Inch Step Area — Crew Cab Only
$299.95MAP price
In stock — 135 available
Shipping weight: 54 lb.
- Crew cab configurations only — verify your cab before ordering; all bed lengths are covered
- Works with gas or diesel engines and with single or dual rear wheel setups
- Steel construction with a 4.5-inch wide step surface and 30-degree angled ends
- No-drill mounting, with a stated install time of 1-2 hours and a downloadable installation guide available
- Covered by a 5 Year Limited Warranty; shipping weight: 54.0 lb
About this part
Oval Nerf Step Bars, 4.5-Inch Step Area — Crew Cab Only, fitment-checked
Rough Country 21001S is a pair of steel oval nerf step bars with a 4.5-inch stepping surface and angled 30-degree ends. Fitment is crew cab only — regular and double cab trucks are out. Bed length does not matter, and both gas and diesel trucks work, as do single rear wheel and dual rear wheel configurations. Mounting is a no-drill job, and a downloadable installation guide is available.
Specifications
Specs
| Brand | Rough Country |
| Part number | 21001S |
| UPC / GTIN | 00843030199685 |
| Lift height | 4.5 in |
| Shipping weight | 54 lb |
| Warranty | 5 Year Limited Warranty |
| Country of origin | CN |
| Category | Exterior Accessories › Running Boards |
| Installation guide | Downloadable PDF |
Why buy here
The fitment-first store
Manufacturer-listed exclusions shown. We publish what a part does not fit — before you buy, not after the return.
Sourced from the application data. Fitment on this page comes from the manufacturer’s application catalog, not a copied listing.
Real install docs. The actual step-by-step guide, linked right on the page.