D12D-A MG; D12D-E MG Lubricating System Lubricating System D12D-A MG Parts on group Lubricating System: Pos. Part No Qty Parts name Comments 1. 469846 [2] Sealing ring 2. 471706 [1] Reduction valve Mounted between cylinder 4 and 5. 3. 948610 [2] O-ring 4. 1547934 [2] Cover 5. 471707 [1] Reduction valve Mounted between cylinder 2 and 3. Parts catalog : Lubricating System with Deep Oil Sump D12D-A MG, D12D-E MG Lubricating System with Shallow Oil Sump D12D-A MG, D12D-E MG Oil Pump, Components D12D-A MG, D12D-E MG Oil Filter Housing and Oil Filter, Standard Mounted D12D-A MG, D12D-E MG Oil Filter Housing with Shift Valve. Classifiable Oil Drain Pump and Installation Parts, Engine Mounted D12D-A MG, D12D-E MG