D11B1-A MP; D11B2-A MP Lubricating System Oil Drain Pump and Installation Parts, Engine Mounted D11B1-A MP, D11B2-A MP Parts on group Oil Drain Pump and Installation Parts, Engine Mounted: Pos. Part No Qty Parts name Comments 1. 3827475 [1] Oil drain pump 2. 984751 [3] Flange screw 3. 3838254 [1] Bracket 4. 984734 [2] Flange screw 5. 3837774 [1] Hose 6. 944177 [1] Nipple 7. 941686 [1] Hollow screw 8. 947622 [2] Gasket 9. 3838214 [1] Nipple 10. 18813 [1] Gasket Parts catalog : Electrical Oil Bilge Pump 12V D11B1-A MP, D11B2-A MP Electrical Oil Bilge Pump 24V D11B1-A MP, D11B2-A MP Oil Cooler D11B1-A MP, D11B2-A MP Oil Filter Housing D11B1-A MP, D11B2-A MP Oil Filter and Oil Lines IPS SN7011383385- D11B2-A MP Oil Filter and Oil Lines IPS SN-7011383384 D11B2-A MP Oil Drain Pump and Installation Parts, Engine Mounted D11B1-A MP, D11B2-A MP