Spark Plug QL77JC4 | Evinrude/Johnson 0502180

Spark Plug QL77JC4 | Evinrude/Johnson 0502180

Spark Plug QL77JC4 | Evinrude/Johnson 0502180

The QL77JC4 spark plug delivers reliable ignition performance for your Evinrude or Johnson outboard engine. Engineered to precise OEM specifications, this premium plug ensures consistent firing, smooth starts, and optimal fuel efficiency. Keep your marine engine running at peak performance with this essential replacement component. Trust the quality that professional mechanics and boat owners depend on.

• Sold individually
• Replaces OMC/Johnson/Evinrude 397633
• Replaces Bombardier Recreational Products 0387633