FORCE BY MERCURY F664068 THERMOSTAT KIT FITS 70 75 85 90 120 150 1990 THRU 1999

Thermostat Kit for Mercury

This thermostat kit for Mercury outboards regulates engine temperature and is replacement part number F664068.

Overview

This thermostat kit restores proper cooling on Mercury outboards using not the number F664068. The kit is a direct engine block mount for affected two-stroke and four-stroke Mercury's.

Built For Performance

• Direct fit on the block for Mercury cooling meter
• Ensures good warmup at low rpm
• Includes seat, gasket not required to be a plug
• Testing the same 1975 to 1999 cool heads
• A complete water flow after same repair
• For engines 70 through 150 hp

Fits These Machines

• for Mercury 70 1990-1999
• for Mercury 75 1990-1999
• for Mercury 85 1990-1999
• for Mercury 90 1990-1999
• for Mercury 120 1990-1999
• for Mercury 150 1990-1999

On The Job

• Cooling system repairs after the thermostat failed
• Fishing with a hot motor checked by coolant
• Maintenance and flushing an old cooling network

quick Specs

Good To Know

Q: is it to 1990? A: for this generation, is a year, 90 to 99

Q: Is a mercury fitting a 70? from the 70s being in the same format.

Slight difference lineage and finish may be visible; serial may also depend on