Complete Tractor Solenoid For Massey Ferguson - 3904281M2 3474587M1 3901191M1 100% new solenoid meets OEM quality for tractors and farm equipment 1-year warranty covers you throughout planting and harvesting seasons Factory direct pricing delivers an honest value for hard-earned money Replaces OEM Numbers: Massey Ferguson: 1075436M91, 3474587M1, 3901191M1, 3904281M2 Specs: Voltage : 12V, Notes : three terminal, switch terminal is male spade. For Lucas and Marelli units.