This spark plug fits the following outboards:

• Mariner Various 4hp and 5hp models

• Mercury Various "Classic" models, and specific older models like a 1995 90hp 2-stroke

• Nissan NS 5B, NS 8B, NS 15C/D, NS 18E, NS 9.8B

• Suzuki DT5 models; also used in power equipment engines and ATVs

• Tohatsu M5B, M8B, M15D, M18E, M25C2, M9.8B

• Yamaha Found as an OEM part for various models

• Johnson/Evinrude Some 40-90 HP models

This spark plug is also compatible with several Johnson, Envirude, and Force Outboards. 

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