This listing is about one (1) NGK Spark Plug for the following MERCURY outboard engines, which replaces OEM Part #816 737 B2:

• 6.0 hp - 2 Stroke (1986-2000)
  
• 8.0 hp - 2 Stroke (1986-2000)
  
• 9.9 hp - 2 Stroke (1986-1994)
  
• 18 hp (1981-1983)
  
• 18 hp - 18 XD (1984-1985)
  
• 20 hp - 2 Stroke (1986-2000)
  
• 20 hp - Jet 2 Stroke (1995-2000)
  
• 25 hp (1980-1983, 1986-1992)
  
• 25 hp - 2 Stroke (1993-2000)
  
• 25 hp - 25 XD (1984-1985)
  
• 25 hp - Sea Pro 2 Stroke (1993-2002)
  
• 30 hp - 2 cyl. 2 Stroke (1995-2001)
  
• 30 hp - Jet 3 cyl. 2 Stroke (1998-2001)
  
• 30 hp - Sea Pro 2 cyl. 2 Stroke (1995-2000)
  
• 40 hp - 2 cyl. 2 Stroke (1995-2002)
  
• 40 hp - 2 cyl. 2 Stroke Sea Pro (1995-2000)
  
• 40 hp - 3 cyl. 2 Stroke (1998-2002)
  
• 45 hp - Jet 3 cyl. 2 Stroke (1995-2000)
  
• 50 hp - 3 cyl. 2 Stroke (1991-2000)
  
• 55 hp - Sea Pro 3 cyl. 2 Stroke (1992-2000)
  
• 60 hp - 3 cyl. 2 Stroke (1991-2002)
  
• 60 hp - 3 cyl. 2 Stroke Sea Pro (1995-2000)
  
• 60 hp - Big Foot (1995-2002)
  
• 80 hp - 4 cyl. 2 Stroke Jet (1995-2000)
  
• 100 hp - 100 (1988-1999)
  
• 115 hp - 4 cyl. 2 Stroke (1989-2000)
  
• 125 hp - 4 cyl. 2 Stroke (1994-2000)