45.2mm bore size
O/E: 544 22 28 02

45.2mm piston diameter
O/E:

Fits Stihl 038 & MS381

Crank Shafts for different models

52mm piston diameter
O/E:

52mm bore size
O/E: 1119 020 1204

52mm bore size
O/E: 544 22 28 02

52mm piston diameter
O/E:503 60 98 03

Fits Husky 61, 66, 162, 266, 268 &272

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

Non original Diaphragm Kit o/e: D11 WYLJ

Rebuild Kit (non original) O/E: RB 40