PISTON KIT FITS 044*, MS440 piston kit 50mm – 12mm pin

GOLF brand aftermarket Stihl piston kit assembly.
Fits: Stihl 044*, MS440 chainsaw with 12mm pin.
Replaces OEM part: 1128 030 2015 – 50mm.
*Older 044 chainsaws made before serial number X29 382 283 have a 10mm wrist pin. There are a few rare chainsaws that are after that serial number that also have a 10mm wrist pin. Please verify your pin size before ordering.