DOP30002MS380 Stihl MS380 Oil Seal Set No. 9640-003-1600 & 9640-003-1340. This is a quality aftermarket set of two oil seals. Measuring 15 X 29.6 X 4 and 13 X 22 X 5. Replaces stihl chainsaw part numbers (9640-003-1600, 9640-003-1340) (9640 003 1600, 9640 003 1340) and (96400031600,96400031340)