420666142 Ignition Coil for Sea-Doo GTI LTD 155 1503 2017

Ignition Coil for Sea-Doo

This ignition coil delivers the spark energy your engine needs to fire cleanly, and it cross-references OEM part number 420666142.

Overview

This ignition coil is a direct-fit replacement for the factory unit on your personal watercraft, built to restore strong, consistent spark to the combustion chamber. It suits riders who need a dependable ignition coil for Sea-Doo machines without paying dealership prices. Whether you are chasing a misfire or replacing a weak coil during routine service, this ignition coil keeps your engine running the way it should.

Built For Performance

• Cross-references OEM part number 420666142 for confident fitment matching
• Sealed coil body resists moisture, spray, and the constant vibration of marine use
• High-tension secondary winding produces strong spark output across the RPM range
• Corrosion-resistant terminals hold a tight connection in a wet engine bay
• Drop-in replacement for the original coil with no rewiring required

Fits These Machines

• for Sea-Doo GTI LTD 155 1503, 2017

On-The-Job Use

• Restores spark on 1503 engine-equipped personal watercraft
• Ideal for routine ignition maintenance before the season starts
• Common fix for hard starting, rough idle, or misfire codes
• Suits riders who service their own PWC at home

Specs At A Glance

Good To Know

Q: How do I know if my ignition coil needs replacing? A: Common signs include hard starting, a rough or inconsistent idle, misfiring under load, and fault codes pointing to ignition. If spark is weak or absent at the plug, the coil is a likely culprit.

Q: Is this an OEM Sea-Doo part? A: No, this is an aftermarket ignition coil that cross-references OEM number 420666142. It is designed as a replacement for the original unit.

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