First Fire

First Fire 13/16-in Spark Plug for 4-Cycle Engines

  • Item#: 278046
  • MFR#: FF-10
13/16-in Spark Plug for 4-Cycle Engines
  • 14 mm thread diameter, 3/8-in reach, 13/16-in hex socket
  • Consistent starts, dependable performance, superior fouling resistance
Application 4-cycle engine
Brand/Model Compatibility Universal (fits to most brands)
Hex Size (Inches) 13/16-in
Part Type Spark plug
Replaces Oem Part Number Champion 5861
Type Spark plug