Provides water to drive lower units to flush the cooling system or to allow the running of the engine while the boat is trailered.

• Moeller marine universal round cup motor flusher
• Quickly flushes contaminates like salt from your lower unit cooling system
• Slips over side water inlets on most I/O and outboard lower units
• Easy to use
• Installs in seconds using just a water hose
• Replaces Mercury 44357Q2