OE Quality
60-Day Returns

Dorman 157-5104 Truck Cab Side Step
Durable Steel Truck Cab Side Step for Specific Vehicle Fitments
The Dorman 157-5104 truck cab side step offers a robust and reliable stepping solution designed for specific truck models. Constructed from heavy-duty steel with a black finish, this side step provides a secure foothold for easier cab access.
- Made from 2.5 mm thick steel for strength and durability
- Black powder-coated finish resists corrosion and wear
- Surface width of 5 inches and length of 32.75 inches for ample stepping area
- Bolt-on attachment method for secure mounting to strap or bracket locations
- Designed for specific vehicle fitments to ensure proper alignment and safety
- Includes one heavy duty side step; mounting hardware and brackets not included
Product Details and Specifications
The Dorman 157-5104 side step is engineered with a 2.5 mm thick steel construction, providing a sturdy platform for entering and exiting truck cabs. Its black finish offers resistance against rust and environmental damage, maintaining appearance and functionality over time. Measuring 32.75 inches in length and 5 inches in width, the step surface accommodates a comfortable and stable footing. This side step is designed for bolt-on installation, attaching securely to existing strap or bracket mount locations on compatible truck models. Note that mounting hardware and brackets are not included, so ensure compatibility with your vehicle’s mounting points before installation.
Common Applications and Problem Solving
- Provides safer and easier access to truck cabs for drivers and passengers
- Replaces worn or damaged factory side steps to restore functionality
- Enhances vehicle utility for trucks with higher ground clearance
- Offers a durable stepping surface resistant to heavy use and weather exposure
- Supports loading and unloading tasks by providing a stable foothold
Installation Notes and Tips
Installation requires a bolt-on approach using existing strap or bracket mount points on the truck. Since mounting hardware and brackets are not included, verify that your vehicle’s mounting components are compatible and in good condition. Proper torque specifications should be followed to ensure secure attachment and prevent loosening during use. It is recommended to consult your vehicle’s service manual or a professional installer for guidance specific to your truck make and model.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 157-5104 truck cab side step undergoes quality checks to ensure durability and performance. Please refer to Dorman’s official warranty policy for coverage details, as warranty terms may vary by product and application.
| Brand | Dorman |
| Part Number | 157-5104 |
| Material | Steel |
| Color | Black |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Bracket Included | No |
| Material Thickness | 2.5 |
| Surface Width | 5 |
| Attachment Method | Bolt-on |
| Surface Length | 32.75 |
| Mount Location | Strap or bracket |
| Package Contents | 1 heavy duty side step |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.