Oil pressure switch, uses blade type wire terminal. For Perkins diesel engines. Tractors: MF135, MF150, MF165, MF175, MF180, MF230, MF235, MF245, MF255, MF265, MF275, MF285 (s/n 9A349239 and up), MF1080, MF1085, MF1100, MF1105, MF1130, MF1135, MF1150, MF1155, MF1505, MF1805. Industrials: 20, 20C, 30, 30B, 30D, 31, 40, 40B, 50, 50A, 50C, 50D, 203, 205, 302, 304, 2135, 3165.