OTTO Excavator Engine Parts Sh200A2 6Bg1T Sensor 1815105530 181510-5530 1-81510553-0 For Isuzu OTTO SH200A2 excavator engine part: sensor (Isuzu 6BG1T turbo engine), for general engine operational monitoring. Part nos: 1815105530, 181510-5530, 1-81510553-0