Numbers correspond to those in the exploded view of the fresh water cooling system. The following components are included.
• #2 Water pump flange
• Pump housing (no number just black dot in exploded view)
• #3 Bearing
• #4 Seal assembly
• #5 Impeller
• #6 Return pipe
• #7 Gasket

OEM Equipment for the following engine models (and the boats that we are aware used these engines... There could be other combinations as well):
• M-35 (Catalina 34, Catalina 36)

• Flange, item #2 diameter: 2-1/8"
• Flange fasteners, centerline diameter: ~1-5/8"
• Impeller, item #5, diameter, outside: diameter: 2-1/16"
• Barb, part of pump housing, input, large: 1"
• Barb, item #6, output, small: 3/8"