420666142 Ignition Coil for Sea-Doo GTI STD Rental 1503 2019

Ignition Coil for Sea-Doo

This ignition coil replaces OEM 420666142 for Sea-Doo watercraft, delivering the spark energy needed to fire the engine reliably on every start.

Overview

This ignition coil is a direct-fit replacement designed for Sea-Doo personal watercraft equipped with the 1503 engine. It restores consistent spark output so the engine starts cleanly and runs smoothly across the RPM range. A solid choice for riders performing routine ignition maintenance or troubleshooting a weak or failed coil.

Built For Performance

• Direct replacement for OEM part number 420666142
• Engineered to deliver reliable spark energy across the RPM range
• Durable construction resists heat, vibration, and moisture exposure
• Plug-and-play installation with factory-style connectors
• Ideal for restoring consistent starting and idle quality

Fits These Machines

• for Sea-Doo GTI STD Rental 1503, 2019

On-The-Job Use

• Routine ignition system maintenance on personal watercraft
• Replacing a weak or failed coil causing hard starting
• Restoring smooth acceleration and consistent idle
• Seasonal tune-ups before launching for summer riding

Specs At A Glance

Good To Know

Q: Will this coil fit my Sea-Doo? A: It is designed as a replacement for OEM 420666142 and fits the 1503 engine applications listed above. Confirm your model and serial number before ordering.

Q: Do I need to replace all coils at once? A: Many riders replace only the failed coil, though replacing them as a set can help maintain even spark performance. Follow your service manual for guidance.

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