QL78YC Champion Spark Plug (SOLD EACH)

Regular price $3.99
Sale price $3.99 Regular price $6.63
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Champion QL78YC Marine Spark Plug

Champion marine spark plugs are quality OEM replacements. The Champion QL78YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark plugs are designed to resist overheating under heavy engine loads.

  • Resists fouling
  • Superior corrosion resistance
  • Dependable and proven performance
  • Increased conductivity and heat control for good overall wear

Champion Spark Plug # 938M


  • Hex size: 13/16"
  • Preset Gap: 0.025" - 0.640"
  • Thread Reach: 0.500"
  • Electrical Terminal Type: Non-removable nut
  • Ground Electrode Core Material: Nickel
  • Center Electrode Tip Material: Nickel