This spark plug fits the following outboards:

Mercury Four Stroke

• 75 FourStroke, 1.7L USA 1B366823 and up

• 80 FourStroke, 1.7L USA 1B366823 and up

• 80 FourStroke BEL 0P401000 and up

• 90 FourStroke, 1.7L USA 1B366823 and up

• 100 FourStroke, 1.7L USA 1B366823 and up

• 100 FourStroke BEL 0P401000 and up

• 115 (EFI) FourStroke, 1.7L USA 1B366823 and up

To confirm compatibility, please check with your owner's manual.

NGK standard plugs are constructed for longer life and optimum performance.

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties

• Corrugated ribs prevent flashover

• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer

• Copper core aids in heat removal

• Triple seals prevent leakage