OD 41mm x 1.5mm thick
O/E:13008 6052

41.5mm piston diameter
O/E:13001 2140

OD 39.5mm x 1.5mm thick
O/E: 1400 41220 / 531 00 77 54 / 20021 41210

Mag Side
O/E: 92049 2076

O/E: 310401 3452 / 07460 1044

Air Filter Element O/E:310401 132A

Fits 12HP and more
O.E: 92574

Fits many later models
O.E: 1001200 /1001046

Fits Stihl 038, MS380 & MS381

in / out 5mm O.D

Fits GX240, 270 & more
O/E: 14771 ZE2 000

Fits GX120
O/E: 14711 ZF0 000