0 Workhorse Custom Chassis P42, , Brake ECMs, Fits to: Workhorse Custom Chassis P42, (Used) Workhorse Custom Chassis, BRAKE ECM- Part Number: 4008504090, Serial Number: 00006856, Reference Wabco HYD ABS - D_ECU_FRM_12V_REV/M_598 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 OTHER, Part# 4008504090,