Fuel Pump A1644701994 For Mercedes W164 X164

The fuel pump assembly in the automotive tank pumps the gasoline in the tank to the engine combustion chamber through an electric pump to ensure normal combustion of the engine and provide power output.

The replacement time of the fuel pump assembly depends on the frequency of use and working status. Generally speaking, when the fuel pump assembly has poor pumping, abnormal noise or damage, it needs to be replaced in time to ensure normal fuel supply to the engine.