BELL WITH PULLEY FOR DEBARKING AND CUTTER MOUNTED ON HUSQVARNA CHAINSAW MODELS: 340 - 345 - 346 - 350 - 351 - 353 445 - 450 - 560XP - 550XP AXLE: 8 mm Reference : R370309/031 Original Code: ALSO COMPATIBLE WITH CUTTER AND DEBARKER MOUNTED ON JONSERED CHAINSAW MODELS: 2150 - 2151 - 2152 - 2156 - 2159 2245 - 2250 CODE: R370309/031 ORIGINAL CODE: CZ