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Champion QL86C / BRP 437682 / 933M Spark Plug

Champion QL86C / BRP 437682 / 933M Spark Plug

  • Applications: Evinrude, Johnson, OMC Outboards and Inboards (See Models Below)
  • Copper Electrode, Resistor Plug (Eliminates Radio Noise)
  • Check your Owner's Manual for proper fit
  • Item #: 
    Model #: 


    Shipping Weight: 
    0.15 Lbs.
    List Price: 
    Our Price:
    Status:  null In Stock

    Quantity : 



    • Champion Copper Plus® spark plug technology began as an automotive OE plug, and today is widely used in a variety of power equipment applications
    • The nickel alloy center and ground electrode provide good wear characteristics and the extrusion of copper into the center electrode allows for an increase in conductivity and heat control
    • Champion Copper Plus® spark plugs are a great choice for OE-replacement on older automotive engines, lawn and garden applications and similar engines
    • Provides dependable performance and durability
    • The Copper core center electrode allows accurate control of heat range, optimizing plug performance and longevity


    • Evinrude, Johnson, 2-Stroke Models Outboards and OMC Inboards:
      • 2.5 HP Outboards 1987-1988
      • 3 HP, 4 HP and 4 HP Deluxe Outboards 1989-2001
      • 4 HP Outboards 1977-1987
      • 4.5 HP Outboards 1980-1985
      • 6 HP, 7.5 HP, 8 HP and 8 HP Commercial Outboards1980-2005
      • 25 HP, 35 HP 3-Cylinder Outboards 1995-1997

    Note: There are more outboard motor applications for this spark plug that are not listed here. See your Owner's Manual to confirm compatibility.


    • Thread diameter: 14 mm
    • Thread reach: 12.7 mm
    • Seat type: Flat
    • Hex size: 21 mm (13/16")
    • Tip configuration: Non-Projected
    • Construction: Standard construction
    • Terminal type: Solid

    Cross Reference for QL86C:

    • AC Delco R44F
    • Accel 156
    • Autolite 4093
    • Autolite 2665
    • Autolite 424
    • Bosch WR7AC
    • Bosch WR8AC
    • Brisk NR17C
    • Brisk NR15
    • Champion QL86
    • Champion Stock 33-01-01
    • Champion Stock 933
    • Daihatsu 99906850P9003
    • Denso W20FSR
    • Denso W20FSR-U
    • Denso W20FSRU
    • Denso IWF22
    • Denso Stock 6053
    • General Motors 5613525
    • Iskra F75RS
    • NGK BR6HS
    • NGK Stock 3922
    • Valley Forge 134

    IMPORTANT: This chart is furnished as a guide only. Certain design differences may exist between this spark plug and another manufacturers and heat ratings can also vary. Always refer to the Manufacturer's application data to select the recommended spark plug for your specific engine



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