The 4180 405 1000 Spark Plug Boot is a genuine STIHL ignition system component designed to securely connect the ignition lead to the spark plug. This rubber boot provides reliable electrical contact while insulating against heat, moisture, and vibration—ensuring consistent engine performance and protection of internal components.
Key Features
✅ Part Number: 4180 405 1000
✅ OEM Quality: Genuine STIHL ignition boot
✅ High-Heat Rubber Construction: Withstands engine temperatures and vibration
✅ Secure Fit: Snaps tightly onto the spark plug terminal
✅ Protective Design: Shields the spark plug from dirt, debris, and moisture
Benefits
✔️ Ensures Consistent Ignition – Maintains strong electrical connection
✔️ Improves Engine Reliability – Reduces misfires and starting issues
✔️ Prevents Arcing or Shorting – Fully insulates the spark plug terminal
✔️ Easy to Replace – Simple push-on installation
✔️ STIHL Durability – Built to perform in rugged outdoor conditions
What It’s Used For
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Replacing worn, cracked, or loose spark plug boots
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Maintaining strong ignition performance
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Protecting the ignition system from environmental damage
