Keep your Honda small engine firing clean with the Genuine Honda 98056-55777 Spark Plug. Built to Honda specs (NGK CR5HSB equivalent), this OEM plug helps ensure reliable starts, smooth idle, and consistent power in GX100-series engines.

Highlights

• Genuine OEM Honda spark plug (CR5HSB equivalent)

• Smoother starts & stable performance for small engines

• Direct replacement—install and go; check gap per manual

• Ideal maintenance item for generators, pumps, and tools using GX100

What’s included: 1 × Spark plug (98056-55777)
Compatibility: Honda GX100 and select models; always confirm with your owner’s manual or parts diagram by MPN 98056-55777.

Thread: Standard small-engine spec for GX100 (verify gap per manual)