13 indicates whether the fan of 308 water tank is in front or behind.

Front. The model 13 indicates that the position of the 308 water tank fan is at the front of the vehicle, so the water tank fan of the vehicle is at the front. 13 symbol 308 water tank fan is used for engine heat dissipation and coolant heat dissipation, which ensures that the engine will not fail due to high temperature and prevents the vehicle from being damaged by the water temperature of the automobile water tank exceeding the standard temperature.