TWD1620G; TWD1630G; TAD1630G; TAD1630GE; TAD1631G; TAD1631GE Lubricating System Oil Filter, By-pass TWD1620G, TWD1630G, TAD1630G, TAD1630GE, TAD1631G, TAD1631GE Parts on group Oil Filter, By-pass: Pos. Part No Qty Parts name Comments 1. 1543852 [1] Oil filter housing 2. 984736 [4] Flange screw 3. 1543576 [2] Sealing ring 4. 469904 [1] Nipple 5. 477556 [1] Oil filter Parts catalog : Oil Filter Housing and Oil Filter SN2160030015-: 3826373 TWD1620G, TWD1630G, TAD1630G, TAD1630GE, TAD1631G, TAD1631GE Oil Filter Housing and Oil Filter SN2160030015-: 3826150 TWD1620G, TWD1630G, TAD1630G, TAD1630GE, TAD1631G, TAD1631GE Oil Filter Housing and Oil Filter SN-2160030014 TWD1620G, TWD1630G, TAD1630G, TAD1630GE, TAD1631G, TAD1631GE Oil Pump, Components TWD1620G, TWD1630G, TAD1630G, TAD1630GE, TAD1631G, TAD1631GE Oil Pump, Components TWD1620G, TWD1630G, TAD1630G, TAD1630GE, TAD1631G, TAD1631GE Lubricating System: B TAD1631G, TAD1631GE Oil Bilge Pump, Manual TWD1620G, TWD1630G, TAD1630G, TAD1630GE, TAD1631G, TAD1631GE