420666142 Ignition Coil for Sea-Doo GTX LTD HO 1503 2019

Ignition Coil for Sea-Doo GTX LTD HO 1503

This ignition coil replaces OEM 420666142 and delivers the spark energy needed to keep your 2019 Sea-Doo GTX LTD HO 1503 running strong.

Overview

This ignition coil for Sea-Doo is a direct-fit replacement engineered to restore reliable spark to your personal watercraft. The ignition coil for Sea-Doo 2019 GTX LTD HO 1503 delivers consistent voltage to the spark plugs so the engine fires cleanly at every RPM. It suits riders who need a dependable replacement ignition coil for Sea-Doo without paying OEM prices.

Built For Performance

• Cross-references OEM part number 420666142 for direct fitment
• High-temperature epoxy potting resists vibration and heat soak
• Precision-wound primary and secondary coils for stable spark output
• Weather-sealed connector blocks moisture intrusion
• Built to OEM electrical specifications for plug-and-play installation

Fits These Machines

• for Sea-Doo GTX LTD HO 1503 (2019)

On-The-Job Use

• Replacing a failed coil that causes misfires or hard starting
• Restoring smooth acceleration on the water
• Routine ignition maintenance on 1503 engines
• Keeping spark consistent during long high-speed runs

Specs At A Glance

Good To Know

Q: How do I know my ignition coil needs replacing? A: Common signs include misfires, rough idle, hard starting, and loss of top-end power. A failed coil often triggers a fault code on the ECU.

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket ignition coil cross-referenced to OEM 420666142. It is designed for direct fitment on the listed model.

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