Description
Make access easier while retaining ground clearance with AMP Research electric running boards. Part 77255-01A is the PowerStep XL application for 2022–2025 Silverado/Sierra 1500, and selected 2023–2025 GM HD trucks, with boards that deploy as the cab doors open.
The fitting guide highlights an important requirement: Includes eligible gas/diesel configurations; manufacturer year coverage differs by 1500 versus HD. The kit uses an electric drive and integrated step lighting; confirm the exact cab, factory electrical system and mounting points.
Product Details
| Manufacturer part | 77255-01A |
|---|---|
| Series | PowerStep XL |
| Applications | 2022–2025 Silverado/Sierra 1500, and selected 2023–2025 GM HD trucks |
| Verified qualification | Includes eligible gas/diesel configurations; manufacturer year coverage differs by 1500 versus HD. |
| System | Powered retractable step system with LED lighting |
Fitment and Installation
The exact part is listed for 2022–2025 Silverado/Sierra 1500, and selected 2023–2025 GM HD trucks. Includes eligible gas/diesel configurations; manufacturer year coverage differs by 1500 versus HD. Confirm equipment and the manufacturer installation guide before ordering.
Manufacturer part number: 77255-01A
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