OK request send EXCAVATORS PC390LL-10 A50601 & UP ENGINE ABB10-001001 FRONT GEAR HOUSING a-077 ADF10-001001 FRONT GEAR TRAIN PLUGS a-075 B9999-506001 ENGINE SPARE PARTS a-073 AFH00-001001 FLYWHEEL HOUSING a-081 AFW00-001001 FLYWHEEL a-083 AFW10-001001 FLYWHEEL MOUNTING a-085 APA00-001001 ACCESSORY DRIVE PULLEY 1 For full view, you need register Parts on group : Pos. Part No Qty Parts name Comments 1. 6743-91-6110 [1] PULLEY Komatsu 3.671 kg.