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) Part Number: 137849-01 (Slide) Part Number: 1378490B410 (Lead) Part Number: 13784913 (9061) Part Number: 1378492 (Cat) Part Number: 1378493 (Cat) Part Number: 13784935 (No description) Part Number: 1378494 (Cat)