Genuine Husqvarna Rear Back Drive Wheel

Fits
Royal 146 SE, 146 S, R147 S, R150 SH, R153 S3, R153 S, R148 S,
M50 S3, MASTER 50S,

Part Numbers including replaced numbers
531210579, 531 21 05-79
531204685, 531 20 46-85
531205177, 531 20 51-77
531212634, 531 21 26-34