420666142 Ignition Coil for Sea-Doo GTI STD HO 900 2017-2019

Ignition Coil for Sea-Doo

This ignition coil replaces OEM 420666142 for Sea-Doo watercraft, supplying the spark needed to keep the HO 900 engine firing reliably.

Overview

This ignition coil is a direct-fit replacement built for Sea-Doo personal watercraft running the HO 900 engine. It restores dependable spark output so the engine starts cleanly and holds a steady idle. A practical choice for riders servicing the ignition system or chasing a hard-start issue.

Built For Performance

• Direct replacement for OEM part number 420666142
• Provides consistent spark energy for reliable combustion
• Heat and vibration resistant housing for marine conditions
• Factory-style connectors for straightforward installation
• Helps restore smooth idle and throttle response

Fits These Machines

• for Sea-Doo GTI STD HO 900, 2017-2019

On-The-Job Use

• Routine ignition maintenance on personal watercraft
• Replacing a failed coil that causes misfires or no-start
• Restoring consistent idle and acceleration on the water
• Pre-season service before summer riding

Specs At A Glance

Good To Know

Q: Does this coil fit my Sea-Doo GTI STD HO 900? A: It is designed to replace OEM 420666142 for the HO 900 applications listed above. Verify your model year and serial number before ordering.

Q: Can I install this coil myself? A: It uses factory-style connectors, so it is a straightforward job for most home mechanics. Refer to your service manual for torque and placement details.

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