Dorman 157-5509 Truck Cab Side Step

Dorman 157-5509 Truck Cab Side Step

Dorman 157-5509 is a specific-fit truck cab side step built to match the original part’s fit, function, and appearance on the vehicles it was engineered for. Made from steel with a natural finish, this cab step is built for reliable service in everyday truck use.

For buyers searching for a truck cab side step for Dorman 157-5509, OE-style replacement cab step, or a steel side step for truck cab mounting, this part is built around the original mounting layout and dimensions. It is a direct-fit solution for specified applications, including Chevrolet Silverado and GMC Sierra models where this part number is used.

• Specific fit for the original vehicle application
• Steel construction for strength and durability
• Natural finish
• Bolt-on attachment method
• Mount location: strap or bracket
• Surface width: 6.5 in.
• Surface length: 21.5 in.
• Material thickness: 0.13 in.
• Package contents: 1 truck cab side step

Detailed Product Information

This truck cab side step is engineered as an OE-style replacement for trucks that use Dorman 157-5509, helping restore the original step surface and mounting geometry. The steel construction and bolt-on design support a secure installation on the specified strap or bracket mount location. If you are replacing a worn or damaged cab step on a Chevrolet Silverado or GMC Sierra, this part number is commonly searched as a direct replacement option.

This part cross-references GM Genuine Parts (e.g., 25173208, M62218) for the same application.

Common Problems This Part Can Address

• Broken or bent cab side step
• Corrosion on the original step surface
• Loose or unstable step mounting
• Worn step tread area from repeated entry and exit
• Mismatch after replacing a damaged OE step

Installation Notes and Tips

Verify the vehicle uses the correct specific-fit cab step application before ordering. This Dorman 157-5509 side step uses a bolt-on attachment method and mounts at the strap or bracket location, so the existing mounting points must match the original configuration. Mounting hardware is not included. Confirm the step dimensions and mounting style against the removed part before installation.

Quality Assurance

Dorman designs this truck cab side step to match the original part’s fit, function, and appearance on specified vehicles. The steel construction and application-specific design support dependable replacement performance for the intended Chevrolet Silverado and GMC Sierra applications.