HUSQVRANA COMPATIBLE PISTON FOR MOTOR SAWS MODELS: 357XP CHARACTERISTICS: Ø PISTON: 46 mm PISTON LENGTH: 31. 5 mm Ø OUTSIDE PISTON: 12 mm Ø INSIDE PISTON: 8 mm SUPERIOR QUALITY HUSQVARNA Code: 54.230.1647 Original part number:                                     CZ