The Caterpillar 125-5771 fuel shutoff solenoid provides 12V control of the fuel supply for CAT 3114 and 3116 engines. This solenoid is used to regulate fuel delivery within Caterpillar diesel fuel systems, helping to start and stop engine operation as part of the engine’s fuel-management circuitry. Part number 125-5771 is designed specifically for CAT 3114 and 3116 engines; confirm compatibility with your CAT equipment before installation.
