MD2010B; MD2020B; MD2030B; MD2040B; MS2L-D; MS2A-D; 120S-D; MS2B-R; MS2A-E; MS2L-E Cooling System Vacuum Valve MD2010B, MD2020B, MD2030B, MD2040B Parts on group Vacuum Valve: Pos. Part No Qty Parts name Comments 1. 21662702 [1] Vacuum valve 2. 961667 [4] Hose clamp 3. 952970 [1] Hose 4. 961666 [4] Hose clamp Parts catalog : Sea Water Filter MD2010B, MD2020B, MD2030B, MD2040B Cooling Water Intake: 861496 MD2010B, MD2020B, MD2030B, MD2040B Cooling Water Intake: 861495 MD2010B, MD2020B, MD2030B, MD2040B Sea Water Pump, Components MD2030B, MD2040B Sea Water Pump, Components MD2010B, MD2020B Sea Water Pump MD2030B, MD2040B Expansion Tank MD2010B, MD2020B, MD2030B, MD2040B