Kyosho K4 Glow Plug (K.74491) – Nitro RC Engine

The Kyosho K4 Glow Plug (K.74491) is a genuine Kyosho replacement component for nitro-powered RC engines, helping to maintain consistent ignition, easy starting and a steady idle. It’s a straightforward service item that keeps your nitro RC car running smoothly during regular use.

Overview

Designed by Kyosho for dependable performance, the K4 is well suited to everyday running and routine maintenance. Using an original Kyosho glow plug helps preserve correct fit and reliable operation in nitro powerplants. For best results, select the plug specification recommended in your engine’s manual and match it to your fuel blend and ambient conditions.

Usage Tips

Replace glow plugs periodically or if you notice hard starting, misfires or an unstable idle. Fit with the appropriate driver and avoid overtightening. Always ensure your glow starter and battery are in good condition to support consistent ignition.