Mark 30, 30E, 30H, 35A, 55, 55E, 55H, 55AE, 55AM, 58AE, Mercury 300, 350, 400, 450 4 cyl, and 500.

Top crankshaft seal for Mark 30, 30H, 35A, 40, 40H, 50, 55, 55A, 55H, 58, 58A, 75, 75A 78, 78A, Merc 300, 350, 400, 402, 450, 500, 600, 650, 850, 900, 950, 1000, 1100, 1150, 1350, 1400, 1500

Botton crankshaft seal for Mark 30, 30H, 35A, 40H, 55, 55A, 55H, 58, 75, 75A, 78A, Merc 300, 350, 400, 402, 450, 500, 600, 650, 850, 900, 950, 1000, 1100, 1150, 1350, 1400, 1500

Picture is for display purposes only.

Mark 30, 30E, 30H, 35A, 50, 50E, 55, 55E, AE, AM, AE, 58E, Merc 300, 350, 400, 450 4 cyl, and 500

Mark 30 (up to Ser.# 1163545) Specify Kiekhaefer or Fairbanks-Morse Magneto