Pack of 6 Genuine NGK 4551 Spark Plugs BR9HS10 Mercury/Yamaha Marine Outboard

NGK 4551 / BR9HS10 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.

• These spark plugs are compatible with Mercury:

• • 7.5 HP 75; L2 7.5 HP (1985–1989)
  • 9.8 HP 9.8; L2 9.8 HP (1985–1989)

• These spark plugs are compatible with Yamaha:

• • 130 HP 130; V4 130 HP (2004–2008)
  • 130 HP L130; V4 130 HP (2001–1989)
  • 130 HP S130; V4 130 HP (1999–1988)
  • 200 HP P200; 3.1L V6 200 HP (1995–1991)
  • 225 HP 225 Excel; 2.6L V6 225 HP (1995–1987)
  • 225 HP 225; 2.6L V6 225 HP (1995–1987)
  • 225 HP X225; 3.1L V6 225 HP (1999–1994)
  • 225 HP L225; 3.1L V6 225 HP (1999–1994)
  • 225 HP LX225; 3.1L V6 225 HP (1999–1997)
  • 225 HP S225; 3.1L V6 225 HP (1999–1994)
  • 225 HP SX225; 3.1L V6 225 HP (1999–1997)
  • 225 HP V225; 3.1L V6 225 HP (2001–1997)
  • 225 HP V6 Excel; 2.6L V6 225 HP (1989–1987)
  • 225 HP VX225; 3.1L V6 225 HP (2004–1997)
  • 250 HP L250; 3.1L V6 250 HP (1999–1997)
  • 250 HP LX250; 3.1L V6 250 HP (1999–1997)
  • 250 HP S250; 3.1L V6 250 HP (1999–1997)
  • 250 HP SX250; 3.1L V6 250 HP (2003–1997)
  • 250 HP VX250; 3.1L V6 250 HP (2004–2002)