OTTO Excavator Parts Ex200 6Bg1T Thermostat Cover Gasket 1137430160 113743-0160 1-13743016-0 For Isuzu The OTTO Excavator Parts Ex200 6Bg1T Thermostat Cover Gasket, part number 1137430160, ensures a tight seal for the thermostat in Isuzu engines, promoting efficient engine function.