Fit for 2020-2025 GMC Sierra 2500HD 3500HD Running Boards Side Steps, Fit Crew Cab ONLY

Model No: RB-CH01
$365.99 $419.99

Estimated Time of Shipment: December 21 – December 26, 2025

  • Easy Installation, No Drilling Required: Custom 3D scanning tailored to OEM mounting points ensures a perfect fit, with no tools, modifications, or drilling needed for installation.
  • Rust and Corrosion Resistance, Weatherproof: Durable electrophoretic coating and thick black matte textured anti-rust powder coating, built to withstand all weather conditions.
  • Durable Material: Constructed with high-strength medium carbon steel for long-term toughness and resistance to bending or warping.
  • Strong Weight Capacity: Supports up to 600 lbs with a strong triangular structure, offering solid stability.
  • Dual-Layer & Anti-Slip Design: The innovative dual-layer design features both a low step for easy entry and a high step for roof access—all with an anti-slip surface for safety in all conditions.
  • Stylish and Modern Appearance: Combines a lightweight yet sturdy construction with a modern, matte-black finish for a sleek, sporty vehicle appearance.

More Options For Your Vehicle :

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Specifications

  • Package Includes

    32 X Hexagon Head Bolt

    32 X Hexagon Nut

    16 X Spring Washer

    48 X Big Flat Washer

    1 X Side Step (Left)

    1 X Side Step (Right)

    4 X Front Bracket (Left)

    4 X Front Bracket (Right)

Warranty & Return

Warranty:

  • 5-year hassle-free warranty.
  • The warranty covers manufacturer defects in materials, workmanship, and surface treatment.
  • Warranty does NOT cover labor, diagnostics, towing, rental car, or any other expense related to an item being defective/damaged.
  • The warranty excludes damages caused by road hazards (such as gravel or other debris), accidents, product misuse, improper installation, accidental damage, product modifications, improper repairs, vandalism, product negligence, or acts of nature.

Return:

  • 45 days free return and money back
  • 90 days free return and money back for Lasfit club member.

Shipping:

  • FREE U.S. shipping on all orders.
  • We ship the item via USPS for fast and reliable delivery.

Support:

  • Customer support team in United States
  • Lifetime installation support

Lasfit Truck Running Boards for 2020-2025 GMC Sierra 2500HD 3500HD

Running Boards for 2020-2025 GMC Sierra 2500HD 3500HD Running Boards for 2020-2025 GMC Sierra 2500HD 3500HD

Enhance your 2020-2025 GMC Sierra 2500HD 3500HD with premium Lasfit truck running boards. Designed for strength, style, and functionality, these running boards provide easy access, protect your vehicle, and give your truck an upgraded look that's ready for any adventure.

Key Features of Lasfit GMC Sierra 2500HD 3500HD Truck Running Boards

Custom Fit for 2020-2025 GMC Sierra 2500HD 3500HD

Using advanced 3D scanning technology, these running boards are custom-engineered to provide a perfect fit with your GMC Sierra 2500HD 3500HD’s OEM mounting points. With 8 securely placed mounting points, installation is quick and easy—no drilling or modifications required. Simply bolt them on for a secure, perfect fit.

Built to Last: Durable Three-Layer Construction

  • High-Strength Carbon Steel: These running boards are built with high-strength carbon steel, ensuring long-lasting durability even under heavy use.
  • Electrophoretic Coating: The electrophoretic coating offers superior resistance to rust and corrosion, ensuring your running boards stay in excellent condition for years.
  • Matte Black Textured Powder Coating: The powder coating adds an extra layer of protection, preventing wear, rust, and corrosion, making these running boards perfect for all weather conditions.

Heavy-Duty Support with Reinforced Brackets

For ultimate strength, the Lasfit running boards feature three support tubes arranged in a triangular reinforcement pattern, ensuring maximum stability. A 0.55-inch steel bar connects the upper and lower tubes, allowing the running boards to support up to 600 lbs. With 8 heavy-duty brackets specifically designed for the 2020-2025 GMC Sierra 2500HD 3500HD, these running boards offer secure and reliable support, even for off-road use.

Convenient Two-Level Step Design

The innovative two-level step design offers added versatility:

  • Low Step: Makes it easy for passengers to enter and exit your GMC Sierra 2500HD 3500HD, enhancing convenience for all passengers.
  • High Step: Provides easy access to the truck's roof for tools, camping gear, or other heavy-duty equipment.

Wide Step for Superior Traction

The 6.6-inch wide step offers a large, stable surface to ensure a secure footing, reducing the risk of slipping, even in wet or icy conditions.

Protect Your Vehicle’s Sides

Not only do these running boards make it easier to get in and out of your truck, but they also protect your vehicle from scratches, scuffs, and dirt, helping to keep your GMC Sierra 2500HD 3500HD looking pristine, even after off-road adventures.

Winter and Salt Road Protection

Lasfit running boards are built to handle the harshest conditions, with advanced coatings that resist damage from road salt and harsh winter elements. Designed to endure throughout the year, they provide reliable protection no matter the environment.

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Fit for 2020-2025 GMC Sierra 2500HD 3500HD Running Boards Side Steps, Fit Crew Cab ONLY

$365.99 $419.99

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Package Includes

32 X Hexagon Head Bolt

32 X Hexagon Nut

16 X Spring Washer

48 X Big Flat Washer

1 X Side Step (Left)

1 X Side Step (Right)

4 X Front Bracket (Left)

4 X Front Bracket (Right)
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