420666142 Ignition Coil for Sea-Doo GTR STD HO 1503 2019

Ignition Coil for Sea-Doo

This ignition coil is a replacement electrical component for the Sea-Doo GTR STD HO 1503, cross-referenced under OEM part number 420666142, supplying the spark required for consistent engine combustion.

Overview

This ignition coil for Sea-Doo is designed to keep spark delivery steady on the GTR STD HO 1503. As a replacement ignition coil for Sea-Doo watercraft, it supports smooth idle and full-throttle running. It suits owners and technicians servicing a 2019 model who need a reliable electrical replacement.

Built For Performance

• OEM cross-reference 420666142 for simple part verification
• Engineered to hold stable spark voltage through the rev range
• Sealed housing guards against moisture in marine environments
• Direct fitment for the listed 1503 engine application
• Works for both planned service and no-start diagnosis

Fits These Machines

• for Sea-Doo GTR STD HO 1503, 2019

On-The-Job Use

• Replacing a worn coil causing misfire or power loss
• Scheduled ignition maintenance during engine service
• Troubleshooting weak or intermittent spark
• Keeping a personal watercraft trail and water ready

Specs At A Glance

Good To Know

Q: What symptoms point to a bad ignition coil? A: Misfiring, rough idle, and hard starting are common indicators on this engine family. Testing spark at each cylinder helps confirm the coil is the fault before replacing it.

Q: Does this coil match the OEM number? A: This replacement coil is cross-referenced to OEM number 420666142 for the listed Sea-Doo application. It is not an original factory-branded part.

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