Parts list: № Number Qty Name Options 1 AW34306 2 Arm 2 W50958 4 Lock Nut 3 W38627 4 Washer 4 FH329913 2 Blade (Replace Blades in Pairs to Maintain Balance) SUB FOR W45326; CW 4 FH329910 2 Blade (Replace Blades in Pairs to Maintain Balance) SUB FOR W45327; CCW 5 W38054 4 Bolt Next page: ST539341 Blade Holder and Blades (015000 - ) ST748434 Center Gear Case ( - 014999) ST611151 Blade Holder and Blades ( - 013999) ST611147 Center Gear Case (014000 - ) ST539338 Outer Gear Case (Right-Hand or Left-Hand) (015000 - ) ST539334 Center Gear Case ( - 013999) ST539335 Center Gear Case (015000 - ) ST539339 Outer Gear Case (Right-Hand or Left-Hand) (014000 - ) ST539337 Outer Gear Case (Right-Hand or Left-Hand) (013776 - 014999)