420666142 Ignition Coil for Sea-Doo GTX P STD 155 1503 2018

Ignition Coil for Sea-Doo

This ignition coil replaces OEM part 420666142 and delivers the spark needed to fire the engine on supported Sea-Doo personal watercraft.

Overview

This ignition coil is a direct-fit replacement for the original unit on select Sea-Doo watercraft, cross-referenced to 420666142. It converts low-voltage current into the high-voltage spark that ignites the air-fuel mixture, keeping the engine running cleanly at every throttle position. It suits riders replacing a failed coil or refreshing the ignition system before a season on the water.

Built For Performance

• Cross-referenced to OEM part 420666142 for straightforward replacement
• Sealed housing resists moisture, spray, and repeated engine heat cycles
• Stable spark output supports consistent combustion across the RPM range
• Drop-in fit for the factory mounting location on supported models
• Built to withstand the vibration and heat of marine engine operation

Fits These Machines

• for Sea-Doo GTX P STD 155 1503 (2018)
• for Sea-Doo GTX P LTD 230 1503 (2018)

On-The-Job Use

• Replacing a coil that has failed or weakened on the water
• Routine ignition maintenance before the riding season
• Restoring reliable starting and smooth acceleration
• Diagnosing misfire or rough-running complaints on supported models

Specs At A Glance

Good To Know

Q: How do I know this coil fits my watercraft? A: It is cross-referenced to OEM part 420666142 and listed for the 2018 Sea-Doo GTX P STD 155 1503, so confirm your model and part number before ordering.

Q: Can I replace just one coil? A: Yes, this coil can be replaced individually, though some riders refresh all coils at the same time when one fails.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.