This unbranded 932301CZ starter switch is a reliable replacement part featuring a 3-position (Off-On-Start) operation and 4 terminals (M-B-I-S). It is designed to be an equivalent to OEM part number 0157972 and provides essential ignition control for a wide range of Massey Ferguson agricultural and industrial machinery. Confirmed fitment includes Massey Ferguson 100 Series (135, 148, 165, 168, 175, 178, 185, 188), 200 Series (230, 240, 250, 265, 275, 290), 500 Series (550, 565, 575, 590), 600 Series (675, 690, 698, 699), and various Industrial models (20C, 20D, 20F, 30B, 30D, 30E, 40B, 40E, 50B, 50C, 50E, 60H).