• N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD - Stateside Performance - Side Steps - N-Fab - N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD
  • N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD - Stateside Performance - Side Steps - N-Fab - N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD
  • N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD - Stateside Performance - Side Steps - N-Fab - N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD
  • N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD - Stateside Performance - Side Steps - N-Fab - N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD
  • N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD - Stateside Performance - Side Steps - N-Fab - N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD
  • N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD - Stateside Performance - Side Steps - N-Fab - N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD
  • N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD - Stateside Performance - Side Steps - N-Fab - N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD
  • N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD - Stateside Performance - Side Steps - N-Fab - N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD
  • N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD - Stateside Performance - Side Steps - N-Fab - N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD
  • N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD - Stateside Performance - Side Steps - N-Fab - N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD
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NFB119418012

N-Fab

N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD

N-Fab RS Nerf Step Bars - Cab Length, Textured Black | 2020-2026 GMC Sierra 3500HD

$449.99 USD
$449.99 USD
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Shipping calculated at checkout.

In stock

The N-Fab RS Nerf Step in Cab Length fits the 2020-2026 GMC Sierra 3500HD Crew Cab and delivers a patented hoop step design built from heavy-wall tubular steel.

Install Difficulty: DIY Possible
Bolts to factory mounting points on the frame with included hardware; typically installs in 45-60 minutes per side with basic hand tools.

Product Overview

The N-Fab RS Nerf Step is a cab-length side step manufactured from .084 wall tubular steel with a textured black finish. The Cab Length configuration is ideal for flat bed trucks, stake beds, campers, and trucks with side exhaust forward of the rear wheels.

Backed by a 5-year finish warranty and lifetime workmanship warranty for long-term durability on your Sierra 3500HD.

Features & Specifications

  • Fits: 2020-2026 GMC Sierra 3500HD
  • Fits Crew Cab configuration only
  • Cab Length step design
  • .084 wall tubular steel construction
  • Textured black finish
  • Patented hoop step design
  • Innovative bolt-on mounting system
  • 5-year finish warranty
  • Lifetime workmanship warranty

Fitment

This part fits the following vehicles:

Year Make Model Submodel
2020-2026 GMC Sierra 3500 HD AT4
2020-2021 GMC Sierra 3500 HD Base
2020-2026 GMC Sierra 3500 HD Denali
2024-2026 GMC Sierra 3500 HD Denali Ultimate
2022-2026 GMC Sierra 3500 HD Pro
2020-2026 GMC Sierra 3500 HD SLE
2020-2026 GMC Sierra 3500 HD SLT
⚠ Submodel Fitment: If your submodel is not listed in the fitment table above, we cannot confirm fitment. Please contact us before purchasing to verify.

Shipping & Returns

Tracking is typically provided within 3–5 business days; items shipping direct from the manufacturer may take 5–7. Some items are made to order or may be backordered. Questions about stock? Reach us through live chat or email.

Warranty

All warranties are through the manufacturer and are facilitated by Stateside Performance. Some manufacturers require the end user to contact them directly; in that case we will point you to the right contact. Email us with any warranty questions.

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  • Free shipping over $250

    Free shipping applies to items that are shipped via ground through UPS or FedEx and are over $250 going to the continental 48 states. This does not apply to Alaska or Hawaii, and does not apply to any item(s) that are shipped via freight or with any other option other than ground shipping.

    Shipping policy 

  • 30-day returns

    Returns must be requested within 30 days of delivery. Parts must be new, unused, uninstalled, and in original packaging, with an RMA. Some items are final sale.

    Return policy