This is a used OEM alarm clock control unit for the Peterbilt 579 sleeper cab, part number PP107100. It is designed to function as the direct replacement for the factory-installed clock and alarm controls in your truck's sleeper area. Ideal for a Peterbilt 579 owner needing to repair or replace a faulty or damaged unit to restore convenient timekeeping and alarm functions. The part is sold in used condition, and free shipping is available. Check the listing for full details on its exact operational state and any included components before purchasing. ✅ 2023 PETERBILT 579 Sleeper Alarm Clock Control Unit PP107100 OEM ✅. Condition: Used. Listed at 211.25 USD. Upgrade your Peterbilt 579 with the OEM Sleeper Alarm Clock Control Unit, part number PP107100, designed for model year 2023. This genuine Peterbilt accessory is a must-have for drivers who value comfort and convenience on the road. The sleek integration with your truck's existing systems ensures a seamless user experience. Crafted with the quality you expect from Peterbilt, this alarm clock unit is a direct fit, guaranteeing easy installation and reliable performance. Whether you're refreshing your sleeper or replacing a worn-out component, this unit is engineered to meet the high standards of durability and functionality that Peterbilt owners demand.