2023 Peterbilt 579, Truck Tractor, Body ECMs, Fits to: Peterbilt 579, (Used) 2023 Peterbilt 579, BODY ECM- Type: Cab Cecu Control Module, Make: PACCAR, Part Number: Q21-1142-001-001, Rev.: B, 50561AA, 900562/02R01S, 22020-0062, Operating Voltage Level, 9 to 16V, 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 1XPBDP9X6PD708051, Part# Q21-1142-001-001 1XPBDP9X6PD708051