Mercury NGK Spark Plug IZFR5G - 889597Q

Mercury NGK Spark Plug IZFR5G - 889597Q

Mercury NGK Spark Plug IZFR5G is another high-performance spark plug designed for various Mercury outboard motors and other Mercury engines. It features NGK's advanced iridium technology, offering improved performance, better fuel efficiency, and longer lifespan compared to traditional spark plugs.

Worn or damaged spark plugs can lead to engine misfires, poor fuel economy, rough idling, difficulty starting the engine, and decreased engine performance, ultimately affecting your overall efficiency and potentially causing further damage if left ignored. It is essential to replace the spark plugs on your outboard engines every year or 300hr. These spark plugs are sold individually.

Fits:

• 115HP V6 Optimax DFI 2.5L (SN 0G960500-0T178499)
  • 6 Required
• 135-175HP Optimax 2.5L V6 (non-pro models) (SN 1B227000 & Above)
  • 6 Required
• 200HP XS Optimax DFI 6 Cyl. 2.5L (SN 0T235000-1E002110)
  • 6 Required
• 200-225HP DTS Optimax 6 Cyl. 3.0L (SN 0T599000-1B964735)
  • 6 Required