Fuel Pump Module Assembly A4474706500 For Mercedes M274 W448

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.

【Installation tips】:

When replacing the fuel pump assembly, pay attention to the following installation tips:

1. Disconnect the power supply and disassemble the original fuel pump assembly, and pay attention to marking the connection line to avoid installation errors.

2. Install the new fuel pump assembly to ensure that it is firmly fixed and the connection line is correct.

3. After installation, test to ensure that the fuel pump assembly works normally and the fuel supply is stable.