420666142 Ignition Coil for Sea-Doo GTI STD 1503 2019

Ignition Coil for Sea-Doo GTI STD 1503

This ignition coil delivers the high-voltage spark required to ignite the fuel-air mixture on the 2019 Sea-Doo GTI STD 1503, cross-referencing OEM part number 420666142.

Overview

This ignition coil is a replacement ignition component designed for the 2019 Sea-Doo GTI STD 1503 watercraft. It provides dependable spark energy so the engine fires cleanly and runs consistently on the water. The coil cross-references OEM part number 420666142.

Built For Performance

• Cross-references OEM part number 420666142
• Supplies stable high-voltage spark to the plugs
• Sealed body resists water spray and vibration
• Direct-fit replacement at the factory mounting point
• Supports consistent combustion and throttle response

Fits These Machines

• for Sea-Doo GTI STD 1503, 2019

On-The-Job Use

• Replacing a weak or failed coil on personal watercraft
• Ignition system maintenance and troubleshooting
• Restoring reliable starting after a no-spark issue
• Keeping the engine running smoothly under load

Specs At A Glance

Good To Know

Q: What symptoms point to a bad ignition coil? A: Hard starting, misfiring, rough idle, or a weak spark at the plug are common indicators. Testing resistance against the service spec tells you whether the coil has failed.

Q: Will this coil fit my machine? A: It is listed for the 2019 Sea-Doo GTI STD 1503 and cross-references OEM 420666142. Verify your model year and engine before ordering.

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