Piston Stihl MS181 "2nd generation" (38mm)

Piston fits Stihl MS181 “2nd gen” (38mm)

Note! 2nd generation machines. MS181 S/N 285055104 ->. “Happy Face” cylinder on the intake side (=second generation).

Piston diameter 38mm

Replace original numbers:

Stihl 1139-030-2005, 11390302005