420666142 Ignition Coil for Sea-Doo GTS HO 900 2017

Ignition Coil for Sea-Doo

This ignition coil delivers the high-voltage spark your watercraft needs for reliable starts and smooth acceleration, and it carries the OEM cross-reference 420666142.

Overview

The ignition coil for Sea-Doo is a direct-fit electrical component that steps up battery voltage to fire the spark plugs. It replaces the factory coil on GTS HO 900 models and keeps the engine running at peak efficiency. Riders who need dependable spark performance will find this coil an ideal replacement.

Built For Performance

• Steps up voltage to fire the spark plugs reliably
• Built with heat-resistant windings for marine engine bay temperatures
• Sealed housing resists moisture and saltwater splash
• Direct-fit terminal connections for easy installation
• OEM cross-reference 420666142 for confident matching

Fits These Machines

• for Sea-Doo GTS HO 900 (2017)

On-The-Job Use

• Replacing a failed or weak coil on a personal watercraft
• Restoring consistent spark during routine tune-ups
• Keeping a PWC reliable for recreational riding

Specs At A Glance

Good To Know

Q: How do I know if my ignition coil needs replacing? A: Common signs include hard starting, misfires, or a weak spark at the plug. Testing resistance with a multimeter confirms whether the coil is out of spec.

Q: Is this coil a direct replacement for the factory part? A: Yes, it cross-references OEM number 420666142. It bolts in and connects using the factory mounting points and terminals.

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