Service PartsEngineEngine Models:John Deere TO4039D4039TLCD4039DFCD4039TF4045DF4045TFGenerator Models:20--40ROZJ/REOZJ20--40DSJ/DSEJ50/60ROZJ serial nos. 257821 and above50/60REOZJ/REOZJB50/60DSJ/DSEJ/DSEJB80REOZJB80DSEJBTP-5434 4/03e