This listing is about one (1) NGK Spark Plug for the following MERCURY outboard engines, which replaces OEM Part #828 945:

• 200 hp - 200 EFI 6 cyl. 2 Stroke (after 2006)
  
• 225 hp - 225 EFI DFI 6 cyl. 2 Stroke (1995-2006)
  
• 225 hp - 225 XRi EFI (1995-2002)
  
• 225 hp - 3.0L Sea Pro 6 cyl. 2 Stroke (1997-2002)
  
• 225 hp - 3.0L Work (after 1998)
  
• 225 hp - 6 cyl. 2 Stroke (1998-2001)
  
• 250 hp - 250 XRi EFI 6 cyl. 2 Stroke (1995-2006)