420666142 Ignition Coil for Sea-Doo RXT P X 300 1630 2018

Ignition Coil for Sea-Doo

This ignition coil is a direct replacement electrical component engineered for Sea-Doo RXT, RXT-X, and RXT 300 models equipped with the 1630cc engine, restoring reliable spark delivery to keep the engine firing cleanly; it cross-references OEM part number 420666142.

Overview

This ignition coil for Sea-Doo is a replacement electrical component that delivers the high-voltage spark your engine needs to ignite the air-fuel mixture in each cylinder. Built to match the 1630cc engine found in 2018 RXT, RXT-X, and RXT 300 watercraft, this ignition coil helps restore smooth starting, consistent idle, and full power delivery. It is intended for riders and mechanics replacing a failed or weak coil on a Sea-Doo personal watercraft.

Built For Performance

• Direct-fit replacement for OEM part number 420666142
• Engineered for the Sea-Doo 1630cc three-cylinder engine
• Delivers consistent high-voltage output for reliable combustion
• Durable housing resists moisture, vibration, and heat exposure
• Plug-in electrical connection for straightforward installation

Fits These Machines

• for Sea-Doo RXT 300 1630 (2018)
• for Sea-Doo RXT-X 300 1630 (2018)
• for Sea-Doo RXT 300 1630 (2018)

On-The-Job Use

• Replacing a misfiring or failed ignition coil on a 1630cc Sea-Doo engine
• Restoring spark on RXT, RXT-X, and RXT 300 watercraft
• Routine electrical maintenance and tune-ups
• Diagnosing rough running or hard starting caused by weak ignition

Specs At A Glance

Good To Know

Q: Will this coil fit my 2018 Sea-Doo RXT-X 300? A: It is listed for the 2018 RXT, RXT-X, and RXT 300 with the 1630cc engine, but serial number and production variations can affect fit, so confirm compatibility before ordering.

Q: How many coils does my engine need? A: The 1630cc three-cylinder engine uses one ignition coil per cylinder, so check your service manual and replace as needed for your specific setup.

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