ECM 154-4233 10R-8097 Controller Computer Board for CAT Excavator The 154-4233 is the interlock controller on CAT B-series skid steer and multi terrain loaders - the module that governs start and hydraulic enable interlocks, and the part that water ingress takes out first. Supplied against 154-4233 with 10R-8097 as the remanufactured route. Key Features Interlock ECM / interlock controller supplied against 154-4233 Remanufactured exchange route: 10R-8097 Fits the CAT B-series