Injector Nozzles designed for optimum fuel atomization (mist) for increased performance and fuel economy. For Citroen Fuel Injector Nozzle 0280150804 4Pcs It is resistant to wear and tear, ensuring long asting durability even in challenging driving conditions； Function: The main function of the fuel injector is to send fuel in the form of spray into the engine combustion chamber, so that it is mixed with air to form a combustible mixture for normal engine operation； Fuel injectors promote smooth engine operation and balanced fuel delivery, replacement for your old or broken parts., Manufacturer: BEYEPZNZCK