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Mercury Outboard Trim and Tilt Motor #6278

PT475 is the same but a different manufacturer.

  replaces OE: 99186 & 99186-1

1984-1991

6278.jpg (47202 bytes)

6278a.jpg (20789 bytes)

This replaces the pump that no one has that was SQUARE.

    Replaces either of these Mercury Outboard cartridge pump assemblies with the side fill reservoir. 1984-91.: 99186, 99186-1
Fits Part
    Replaces either of these Mercury Outboard cartridge Pump assemblies with the side fill reservoir. 1984-91.: 99186, 99186-1 Arco

6278

    Replaces either of these Mercury Outboard cartridge Pump assemblies with the side fill reservoir. 1984-91.: 99186, 99186-1 PT475

Mercury Outboard Electrical Systems

Mercury Outboard Trim Motor page.