N-Fab RKR Step System

2019–2026 Ram 2500/3500 6.4L 392 & 6.7L Diesel

Part #: D204RKRCCS4

Overview

The N-Fab RKR Step System is engineered to provide robust protection and enhanced style for your Ram 2500 or 3500 trucks equipped with 6.4L 392 or 6.7L diesel engines from model years 2019 through 2026. Designed for truck owners who demand both functionality and rugged aesthetics, this system offers a seamless integration of rock rails and optional detachable steps. Whether you’re navigating tough off-road terrain or simply need convenient daily access, the RKR Step System delivers superior durability and versatility.

Built to withstand harsh conditions, these rails shield your vehicle’s rocker panels from damage caused by rocks, debris, and trail obstacles. At the same time, the optional detachable steps provide a practical solution for easier cabin entry and exit, while allowing you to remove them when maximum ground clearance is required.

Key Features

The N-Fab RKR Step System combines advanced materials and thoughtful design to meet the needs of serious truck enthusiasts. Key features include:

• Constructed from 1.75-inch tubular steel with a 0.12-inch wall thickness for exceptional strength and impact resistance
• Fully treated inside and out to resist corrosion, ensuring long-lasting performance in all weather conditions
• Finished with a durable textured black powder coat that resists chips, scratches, and fading
• Optional detachable steps compatible with all N-Fab RKR Rails and Factory Toyota FJ Rock Rails for added convenience
• Steps can be easily removed to maximize ground clearance during off-road excursions
• Designed specifically for 2019–2026 Ram 2500 and 3500 models with 6.4L 392 or 6.7L diesel engines, ensuring perfect fitment
• Enhances vehicle appearance with a rugged, aggressive look that complements factory styling
• Provides superior protection for rocker panels against trail hazards and road debris

Construction & Design

The RKR Step System is crafted from heavy-duty 1.75-inch tubular steel with a robust 0.12-inch wall thickness, delivering a strong yet lightweight solution for rock rail protection. Each rail undergoes a comprehensive corrosion resistance treatment both inside and out, significantly extending the lifespan of the product even under harsh environmental conditions. The textured black powder coat finish not only adds a sleek, aggressive appearance but also provides an additional layer of defense against scratches, chips, and rust.

The modular design allows for the integration of detachable steps, which are engineered to fit securely and provide stable footing. This design flexibility ensures that the system can adapt to both daily driving needs and demanding off-road adventures without compromising ground clearance or protection.

Installation & Fitment

Installation of the N-Fab RKR Step System is straightforward and designed to bolt directly onto the frame of 2019–2026 Ram 2500 and 3500 trucks with 6.4L 392 or 6.7L diesel engines. No welding or permanent modifications are required, preserving the integrity of your vehicle. The system includes all necessary mounting hardware and detailed instructions to facilitate a smooth installation process. The detachable steps can be added or removed quickly without tools, allowing you to customize your setup based on your current driving conditions.

What's Included

• Pair of N-Fab RKR Rails (driver and passenger side)
• Mounting hardware and brackets
• Optional detachable steps (if selected)
• Installation instructions

Ideal For

This step system is ideal for Ram 2500 and 3500 owners who seek a combination of rugged protection and enhanced vehicle access. Whether you are an off-road enthusiast looking to safeguard your rocker panels from trail damage or a daily driver who values convenient step-up access, the N-Fab RKR Step System offers a versatile solution. It is especially suited for those who want a durable, corrosion-resistant product that maintains a clean, aggressive look on and off the road.

N‑Fab builds truck and SUV exterior accessories like nerf bars, running boards, steps, bumpers, and light mounts—aimed at improving access, protection, and off-road-ready style. With corrosion-resistant finishes and rugged materials, N‑Fab parts are a popular choice for tow rigs and trail builds that need real durability and a coordinated look.