1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your YITAMOTOR 6-inch Black-Aluminum Running Boards. Please read this manual thoroughly before beginning installation or use to ensure proper fitment, safe operation, and longevity of the product. Retain this manual for future reference.

Image 1.1: YITAMOTOR 6-inch Black-Aluminum Running Boards.
2. Vehicle Compatibility
These running boards are designed for specific vehicle configurations. Verify your vehicle's cab type before installation.
- Compatible with: 2019-2025 Chevy Silverado/GMC Sierra 1500 Double Cab, 2020-2025 Silverado Sierra 2500HD/3500HD Double Cab.
- Important: Only fits Double Cab models with 2 full-size front doors and 2 narrower rear doors.
- Not compatible with: Crew Cab models (4 full-size doors), Standard Cab models, or 2019 Silverado & Sierra 1500 LD & Limited, and 2019 Silverado & Sierra 2500HD & 3500HD.

Image 2.1: Visual guide for compatible Double Cab and incompatible Crew Cab and Standard Cab truck configurations.
3. What's in the Box
Please inspect the package contents upon receipt to ensure all components are present and undamaged:
- 1 x Left Running Board
- 1 x Right Running Board
- 1 x DIY Installation Instructions
- All necessary mounting brackets
- All necessary mounting hardware
4. Setup (Installation)
The YITAMOTOR running boards are designed for a straightforward bolt-on installation process, typically requiring no drilling for compatible vehicles. All required mounting hardware and detailed installation instructions are included in the package.
- Review Instructions: Carefully read the provided DIY installation instructions before starting.
- Prepare Vehicle: Ensure the vehicle is on a level surface and securely supported.
- Identify Mounting Points: Locate the factory mounting points on your vehicle's frame.
- Attach Brackets: Secure the mounting brackets to the vehicle's frame using the supplied hardware. Do not fully tighten at this stage.
- Mount Running Boards: Attach the running boards to the installed brackets. The unique slide rail design allows for adjustable positioning to achieve optimal placement.
- Adjust and Tighten: Adjust the running boards to your desired position, then securely tighten all bolts and nuts.
- Final Check: Verify that all components are securely fastened and the running boards are stable.
Professional installation is recommended for optimal safety and performance.

Image 4.1: Unique slide rail design for adjustable installation position.
5. Operating
These running boards provide a stable and secure step for easier entry and exit from your vehicle. Each side is designed to support a weight of up to 450 pounds.
- Stepping Surface: The running boards feature high-quality, slip-resistant ABS plastic-covered pads to prevent slipping, even in adverse weather conditions.
- Weight Capacity: Do not exceed the maximum weight limit of 450 pounds per side to ensure safety and prevent damage to the running boards or vehicle.

Image 5.1: Ultra-wide pedal design for enhanced safety and comfort.

Image 5.2: Illustration of the 450 lbs weight capacity per side.
6. Maintenance
Regular maintenance will help preserve the appearance and structural integrity of your running boards.
- Cleaning: Clean the running boards regularly with mild soap and water. Avoid abrasive cleaners or harsh chemicals that could damage the finish.
- Material Durability: Constructed from a durable aluminum alloy with a black powder-coated finish, these running boards are designed to be wear-resistant, rust-resistant, and UV-resistant, preventing discoloration.
- Corrosion Resistance: The materials are tested to resist salt spray corrosion, making them suitable for various weather conditions.
- Inspection: Periodically check all mounting hardware for tightness and signs of wear. Re-tighten any loose fasteners as needed.

Image 6.1: Comparison highlighting the rust-resistant aluminum alloy construction.

Image 6.2: Demonstration of high salt spray resistance in winter conditions.
7. Troubleshooting
If you encounter issues with your running boards, consider the following:
- Loose Fit: If the running boards feel loose or unstable, re-check all mounting bolts and nuts. Ensure they are tightened to the manufacturer's specifications.
- Unusual Noises: Squeaking or rattling may indicate loose hardware or contact between components. Inspect all connection points and re-tighten as necessary.
- Damage: In case of visible damage to the running boards or mounting hardware, discontinue use and contact YITAMOTOR support for assistance.
For persistent issues or concerns, professional inspection and repair are recommended.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | YITAMOTOR |
| Model Number | K7R2OT6 |
| Material | Aluminum |
| Color | Black-6in |
| Exterior Finish | Matte |
| Item Dimensions (L x W x H) | 77 x 6 x 1.97 inches |
| Item Weight | 38.1 pounds |
| Weight Limit | 450 Pounds |
| UPC | 840332350554 |
| Automotive Fit Type | Vehicle Specific Fit |
9. Warranty & Support
For information regarding product warranty, please refer to the documentation included with your purchase or contact YITAMOTOR customer support directly. YITAMOTOR is committed to providing quality products and support.
For assistance, please visit the official YITAMOTOR store or contact their customer service department.
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