Fuel pump for delivering fuel to a fuel injector and system comprising a multitude of such fuel pumps

A fuel pump for delivering fluid to a fuel injector of a combustion engine comprises a pump housing (200) with a pump chamber (201) and a piston (202) . The piston (202) is arranged in the fuel pump such that it is axially moveable in pump chamber (201) in order to provide a pressurisation of the fluid within the pump chamber (201). The fuel pump comprises an electromagnetic or piezoelectric actuator (203) for driving the piston (202) . A fuel supply system comprising a multitude of such fuel pumps.