AQ205A; AQ205LB Transmissions Drive Unit Parts on group Drive Unit: Pos. Part No Qty Parts name Comments 1. 854015 [1] Drive 2. 854022 [1] Upper gear 2. 3803114 [1] Upper gear, exch 3. 7742810_027 interm housing 4. 854038 [1] Lower gear 4. 875192 [1] Gasket kit See group 10A Parts catalog : Hydraulic Pump, Trim Instrument and Installation Components Duoprop Drive Unit Upper Gear Unit Intermediate Housing Lower Gear Unit Upper Gear Unit Intermediate Housing