Part Number: 137845C45 (Diaphragm) Part Number: 137845N1 (Spacer) Part Number: 137846 (Filter housing) Part Number: 137846N1 (Spacer) Part Number: 137847 (Ne) Part Number: 137847-01 (Logo bright white) Part Number: 137847-1 (Air filter) Part Number: 137847-1WE (Air filter) Part Number: 137-8474 (Packing) Part Number: 137848 (Ne) Part Number: 137848-01 (Stationair tc logo) Part Number: 137848-02 (Stationair tc logo) Part Number: 137848-04 (Stationair tc logo) Part Number: 137849 (Poppet assy)