Reciprocating compressor comprising: - at least one functional assembly integrated by at least one compression cylinder and at least one reciprocating piston; - at least one electric motor capable of moving the reciprocating piston inside the compression cylinder; - at least one set of valves capable of controlling the flow of fluid entering and leaving the compression cylinder; said set of valves being arranged in the head of the reciprocating compressor; - at least one head cover capable of being arranged next to the head of the reciprocating compressor; - at least one suction acoustic filter integrated by at least one outlet pipe provided with at least one outlet path capable of being arranged next to the head of the reciprocating compressor; said suction acoustic filter being fastened to the head cover using a fastener; said reciprocating compressor being especially characterized in that: - the head cover comprises a housing space adapted to accommodate, at least partially, the outlet pipe of the suction acoustic filter, the housing space being defined and delimited by edge segments of the head cover and a wall segment of the head cover, the said wall segment still being integral by least one rib facing into the housing space of the head cover; - the suction acoustic filter comprises an interface wall arranged in at least a section of the lateral contour of the outlet pipe, said interface wall being provided with at least one rib facing in the opposite direction of the outlet path; - the fastener comprises a deformable metallic element, with contour analogous to the contour of the housing space of the head cover; - the ribs of the wall segment of the head cover, and the ribs of the interface wall of the outlet pipe of the suction acoustic filter, are complementarily aligned; - the fastener is arranged between the ribs of the wall segment of the head cover and the ribs of the interface wall of the outlet pipe of the suction acoustic filter, in order to be deformed when the outlet pipe of the suction acoustic filter is juxtaposed to the housing space of the head cover. - at least one functional assembly integrated by at least one compression cylinder and at least one reciprocating piston; - at least one electric motor capable of moving the reciprocating piston inside the compression cylinder; - at least one set of valves capable of controlling the flow of fluid entering and leaving the compression cylinder; said set of valves being arranged in the head of the reciprocating compressor; - at least one head cover capable of being arranged next to the head of the reciprocating compressor; - at least one suction acoustic filter integrated by at least one outlet pipe provided with at least one outlet path capable of being arranged next to the head of the reciprocating compressor; said suction acoustic filter being fastened to the head cover using a fastener; said reciprocating compressor being especially characterized in that: said suction acoustic filter being fastened to the head cover using a fastener; said reciprocating compressor being especially characterized in that: - the head cover comprises a housing space adapted to accommodate, at least partially, the outlet pipe of the suction acoustic filter, the housing space being defined and delimited by edge segments of the head cover and a wall segment of the head cover, the said wall segment still being integral by least one rib facing into the housing space of the head cover; - the suction acoustic filter comprises an interface wall arranged in at least a section of the lateral contour of the outlet pipe, said interface wall being provided with at least one rib facing in the opposite direction of the outlet path; - the fastener comprises a deformable metallic element, with contour analogous to the contour of the housing space of the head cover; - the ribs of the wall segment of the head cover, and the ribs of the interface wall of the outlet pipe of the suction acoustic filter, are complementarily aligned; - the fastener is arranged between the ribs of the wall segment of the head cover and the ribs of the interface wall of the outlet pipe of the suction acoustic filter, in order to be deformed when the outlet pipe of the suction acoustic filter is juxtaposed to the housing space of the head cover.