This spark plug fits the following outboards:

Mercury

• 2.5 FourStroke JPN 0R131842 and up

• 3.5 FourStroke JPN 0R131842 and up 

• 4 FourStroke JPN 0R000001 and up

• 4 FourStroke BEL 0P073456 and up

• 5 FourStroke JPN 0R000001 and up

• 5 FourStroke BEL 0P073456 and up

• 6 FourStroke JPN 0R000001 and up

• 6 FourStroke BEL 0P073456 and up

• 8 FourStroke JPN 0R042475 and up

• 8 FourStroke BEL 0P325500 and up

• 9.9 FourStroke JPN 0R042475 and up

• 9.9 FourStroke BEL 0P325500 and up

• 15 FourStroke, 351cc JPN 0R235949 and up

• 20 FourStroke (Carb) JPN 0R235168 and up

• 25 FourStroke (EFI) JPN 0R106999 and up

• 25 FourStroke (EFI) BEL 0P401000 and up

• 25 Jet, FourStroke JPN 0R165086 and up

• 30 (EFI) FourStroke JPN 0R106999 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