This spark plug fits the following outboards:

Mercury Two Stroke

• 3.6 USA 5404657 and up
• 3.6 BEL 9252831 and up
• 3.6 CAN 7145388 and up
• 4 (40)(2 cyl.) USA 5589202 - 5595531
• 4 (40)(2 cyl.) AUS 8065265 - 8068064
• 4 (40)(2 cyl.) BEL 9256981 - 9258280
• 4 (40)(2 cyl.) CAN 7146488 - 7143687
• 4 (1 cyl.) USA 0A809601 and up
• 4 (1 cyl.) BEL 9477830 and up
• 5 (1 cyl.) USA 0A809601 and up
• 5 (1 cyl.) BEL 9477830 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