STIHL 029, 039, MS290, MS310, MS390 Oil Seal Set OEM Part Number is 9639 003 1743 Clutch side seal Flywheel side seal This is for a new aftermarket set of oil seals (engine seals) for a Stihl 029, 039, MS290, MS310, MS390 and a bargain at this price. These seals are very good quality, I have fitted many myself. Any Questions just ask.
