Abstract: The invention relates to an assembly for an electrically operated valve in the automotive field aimed to increase the injection pressure of fuel distributed to combustion chambers, said assembly comprising both a coil unit, wherein a solenoid can control the movements of the electrically operated valve in a housing along a given axis, and an hydraulic unit to provide fuel at the injection pressure, a clip ring being located into a cavity of the coil unit and a cavity of the hydraulic unit to maintain the coil unit and the hydraulic unit associated. The invention is characterized in that the coil unit presents a plurality of slots providing access to the clip ring, across the coil unit, from the exterior of the assembly.