OD 52mm x 1.2mm thick
O/E: 1122 034 3000

Rebuild Kit (non original) o/e: K20 WYL

Suits Stihl
O/E: 1119 640 3200

36 mm bore size
O/E: KC13011AA

RocwooD Rebuild Kit o/e: K15 WJ

Fits Stihl MS381

RocwooD Rammer Engine
Parts interchangeable with GX100

40mm piston diameter
O/E:KP01031AA / FR66812

Suits Stihl 017 & more
O.E: 1130 120 0603

Fits many Stihl
O/E:1118 195 3500

Gasket Set

Non original Diaphragm Kit
O/E: D10 WAT / 350 534