Description
Mercury Part Number 35-843220Q
- NGK Laser Iridium Spark Plugs deliver superior ignitability, longer service life with a copper core and ribbed suppressor seal for durability and performance
- Check your engine owner's manual for the correct spark plug and Use only the plug as recommended by your engine's original equipment Manufacturer
- NGK Trivalent metal plating also provides superior anti-corrosion in the marine environment and anti-seizing for easier removal
- Don't just clean used spark plugs, replace them with new plugs for better performance
- Replace all the engine plugs at the same time