D11B1-A MP; D11B2-A MP Cooling System Belt Transmission and Belt Tensioner Device D11B1-A MP, D11B2-A MP Parts on group Belt Transmission and Belt Tensioner Device: Pos. Part No Qty Parts name Comments 1. 20357382 [1] Idler pulley 2. 3887334 [1] Hub sleeve 3. 8097084 [1] Cover 4. 975103 [2] Flange screw 5. 21153420 [1] Belt tensioner 6. 3849931 [1] Bracket 7. 969445 [2] Flange screw 8. 47704140_052 Pulley, water pump 9. 982570 [1] V-ribbed belt Parts catalog : Cooling Water Pump and Thermostat Housing D11B1-A MP, D11B2-A MP Oil Cooler for IPS Unit D11B2-A MP Heat Exchanger, Components D11B1-A MP, D11B2-A MP Heat Exchanger and Expansion Tank D11B1-A MP, D11B2-A MP Oil Cooler for ZF305-3A-E, ZF325iV-E D11B1-A MP Belt Guard D11B1-A MP, D11B2-A MP Charge Air Cooler D11B1-A MP, D11B2-A MP Connecting Components for Charge Air Cooler D11B1-A MP, D11B2-A MP Sea Water Pump, Components D11B1-A MP, D11B2-A MP See Water Pump, for Engine with Reverse Gear or IPS. SN7011297246- D11B1-A MP, D11B2-A MP Sea Water Pump, Components, for Engines with IPS D11B2-A MP Sea Water Filter D11B2-A MP