2023 Peterbilt 579, Truck Tractor, Heater/AC Control Assys, Fits to: Peterbilt 579, (Used) 2023 Peterbilt 579, SLEEPER TEMPERATURE CONTROL ASSEMBLY- Settings: Fan Speed, Temp, Air Position, Material: Plastic, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Truck Year 2023, VIN 1XPBDP9X4PD856330, Material Plastic 1XPBDP9X4PD856330