the sealing element consisting entirely of elastomer is plugged onto the head plate of a piezo actuator for a fuel injection valve . encircling sealing bulges are formed on the first end of the sealing element and effect a sealing toward the injector body . the sealing element has passages for accommodating contact pins , whereby sealing lips are formed around the passages in order to seal the contact pins . the sealing actions of the sealing bulges and of the sealing lips are separate from one another .