420666142 Ignition Coil for Sea-Doo GTI P SE 155 1503 2018

Ignition Coil for Sea-Doo

This ignition coil, referenced under OEM part number 420666142, delivers the spark energy your engine needs for reliable starts and smooth running in Sea-Doo personal watercraft.

Overview

This ignition coil is a direct-fit electrical component built to supply consistent voltage to the spark plugs on your watercraft. It replaces worn or failed coils that cause hard starting, misfires, or power loss on the water. Designed for riders and mechanics servicing Sea-Doo machines, this ignition coil keeps your engine firing the way it should.

Built For Performance

• Direct-fit replacement for the original coil position
• Built to deliver consistent spark energy across the RPM range
• Sealed construction resists moisture and marine conditions
• Maintains stable voltage for reliable cold and hot starts
• Matches OEM mounting points for straightforward installation
• Cross-references OEM part number 420666142

Fits These Machines

• for Sea-Doo GTI P SE 90 900 (2018)
• for Sea-Doo GTI P SE 155 1503 (2018)

On-The-Job Use

• Replacing a failed or weak coil during routine engine service
• Restoring spark on watercraft that crank but will not fire
• Marine engine tuning and ignition troubleshooting
• Seasonal maintenance before putting the machine back on the water

Specs At A Glance

Good To Know

Q: How do I know my ignition coil needs replacing? A: Common signs include hard starting, misfires, rough idle, and a sudden loss of power under acceleration. Testing the coil against the service manual spec confirms it before you order.

Q: Is this coil a direct replacement? A: Yes, it is built to fit the original mounting location and connect to the factory wiring harness. Confirm your model and serial number before ordering to ensure compatibility.

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