CLUTCH DRUM  3/8LPx 6T PO532-R6N FOR POULAN 230 260 2050 2075 2150 2175 2250  CHAINSAW SPUR SPROCKET BEARING OREGON 106114 3 8 7t clutch drum chain drive spur sprocket needle bearing fits stihl chainsaw 038 ms380 ms381 replacement spare parts 1119 64