CHAMPION SPARK PLUG QL78C #883 Replaces: RL78 RL78C XL78 38-01-01 BR7HS BR8HS BR8HS10 BR8HV  BR9HS10 BZ7HS10 3579 4322 4915 6715 4551


  • Champion copper plus small engine plugs resist fouling and provide superior corrosion resistance
  • Feature a copper core electrode that provides increased conductivity and heat control while delivering good overall wear characteristics
  • Engineered to exceed OE designs and maximum durability
  • Designed for easy starting

  • Plug Type: QL78C
    Seat Type: Gasket
    Hex Size: 13/16 in (20.64 mm)
    Thread Size:  14 mm
    Thread Reach: 0.5 in
    Installed Height: 2.24
    Gap: 0.027-0.033in   (0.69-0.84 mm)
    Center Electrode Material: Nickel Copper Alloy
    Ground Electrode Material: Nickel Copper Alloy
    Classification: Champion Copper Plus Small Engine
  • Insulator Material: Zirconia Enhanced
    Resistor Plug: Non-resistor
UPC: 037551002436

Purchase is for one spark plug.

USA domestic shipments are shipped USPS Ground Advantage Mail with Tracking