The crankshaft half-casing, Stihl fan side (code 1143-020-2628) is an original spare part for Stihl MS 241 C-M chainsaws. Includes 15x32x8 Groove Ball Bearing, 15x24x7 Radial Sealing Ring, Sleeve, 1.8x19 Cylindrical Pin, Bushing, Stop Pad, IS-M5x22 Hollow Head Screw, Oil Tank Cap, 23x3 MN O-Ring