D11B3-A MP; D11B4-A MP Cooling System Sea Water Filter D11B4-A MP Parts on group Sea Water Filter: Pos. Part No Qty Parts name Comments 1. 2. 21298782 [1] Sea water filter 3. 22935648 [1] Filter basket 4. 21298806 [2] Hose connection 5. 961673 [4] Hose clamp Parts catalog : See Water Pump, for Engine with Reverse Gear or IPS. D11B3-A MP, D11B4-A MP Sea Water Pump, Components D11B3-A MP, D11B4-A MP Connecting Components for Charge Air Cooler D11B3-A MP, D11B4-A MP Charge Air Cooler D11B3-A MP, D11B4-A MP Belt Transmission and Belt Tensioner Device D11B3-A MP, D11B4-A MP Cooling Water Pump and Thermostat Housing D11B3-A MP, D11B4-A MP Hot Water Outlet D11B3-A MP, D11B4-A MP Cooling Water Intake D11B3-A MP Cooling Water Intake for Engines with IPS D11B4-A MP