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NGK OEM Spark Plug for 175-450HP V6 (3.4L) & V8 (4.6L) Verado Engines (33-8M0135348)
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NGK OEM Spark Plug for 175-450HP V6 (3.4L) & V8 (4.6L) Verado Engines (33-8M0135348)



  • $13.50
    Unit price per 
In Stock
Out of Stock


Spark plugs are responsible for providing an ignition source inside your engine’s combustion chamber. Energy is transferred from the ignition coil to the plug which creates a spark igniting the air-fuel mixture. 

Our technicians and Mercury recommends replacement at the 300-hour service maintenance interval. 

  • NGK Fine Wire Platinum Tipped Center Electrode ensures higher durability, deliver slow wear rate, stable spark, superior anti-fouling, improved fuel efficiency and lower emissions
  • This spark plug meets Mercury Marine original equipment manufacturer specifications to best protect your engine and ensure its optimum 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
  • Longer service life with a copper core and ribbed suppressor seal for durability and performance

Sold as single spark plug

Manufacturer Part #: NGK LKAR7C-9

Direct Replacement for OEM Part #: 

  • 33-8M0135348
  • 8M0135348
  • 8M0204737
  • 8M0135348

Fits The Following Engines:

  • Mercury Verado V6 3.4L 175
  • Mercury Verado Pro XS V6 3.4L 175
  • Mercury Verado V6 3.4L 200
  • Mercury Verado SeaPro V6 3.4L 200
  • Mercury Verado Pro XS V8 4.6L 200
  • Mercury Verado V6 3.4L 225
  • Mercury Verado SeaPro V8 4.6L 225
  • Mercury Verado Pro XS V8 4.6L 225
  • Mercury Verado SeaPro V8 4.6L 250
  • Mercury Verado Pro XS V8 4.6L 250
  • Mercury Verado V8 4.6L 250
  • Mercury Verado V8 4.6L 300
  • Mercury Verado Pro XS V8 4.6L 300
  • Mercury Verado SeaPro V8 4.6L 300
  • Mercury Racing Verado V8 4.6L 250R
  • Mercury Racing Verado V8 4.6L 300R
  • Mercury Racing Verado V8 4.6L 450R

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