If we summarize generator spare parts under three main headings, we can classify them as engine spare parts, alternator spare parts and other spare parts other than engine and alternator. The main engine spare parts are; We can count spare parts such as oil filter, fuel filter, air filter, v-belt, water pump, starter motor, alternator, thermostat, piston, cylinder liner, injector, oil pressure sensor, temperature sensor, fan, radiator. Some of the alternator spare parts are; voltage regulator, diode, suprestler, varistor, terminal block, warning rotor, warning stator. Other spare parts groups include batteries, battery chargers, transfer panels, governor cards, switches, contactors, fuses, block base heaters, control panels, control devices.