Marine inboard/stern drives spark plug, stock # 828-1, for Mercruiser & OMC.
  • Champion Copper Plus
  • Dependable Performance as the OE replacement spark plug
  • Provides long life with the copper core center electrode
  • Allows accurate control of heat range
  • Optimize performance and longevity
  • RFI & EMI suppression to not interfere with modern ignition systems
  • Ql77jc4 marine plug
  • Copper Plus
  • Spark plug for marine
  • QL77JC4
Dimensions3.5 x 4.4 x 6 inches

Marine Spark Plug 828-1/ql77jc4, Wagner, 8281


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