MAN B&W.L28-32.61309-05H-12 Motor assembly MAN B&W.L28-32.61309-05H-43 Drive housing seal MAN B&W.L28-32.61309-05H-51 Clutch spring MAN B&W.L28-32.61309-05H-13 Intermediate gear case MAN B&W.L28-32.61309-05H-44 Drive housing vent plug