420874520 Fuel Injector for Sea-Doo Wake SE 430 1503 2010

Fuel Injector for Sea-Doo Wake / SE 430 1503

This fuel injector, OEM cross-reference 420874520, meters and delivers fuel into the combustion chamber for Sea-Doo Wake and SE 430 1503 personal watercraft.

Overview

This fuel injector is a replacement component designed to restore accurate fuel delivery on Sea-Doo Wake and SE 430 1503 watercraft. A properly working fuel injector for Sea-Doo helps maintain smooth idle, clean throttle response, and efficient combustion. It is intended for owners and technicians servicing a 2010 model with a failed or dirty injector.

Built For Performance

• Precision internal metering for consistent fuel spray
• Sealed electrical connector to resist moisture intrusion
• Corrosion-resistant housing suited to marine use
• Direct fit for the 1503 engine platform
• OEM cross-reference 420874520 for easy matching

Fits These Machines

• for Sea-Doo Wake 430, 2010
• for Sea-Doo SE 430, 2010

On-The-Job Use

• Replacing a clogged or non-firing injector
• Restoring smooth idle and throttle response
• Routine fuel system servicing
• Rebuilding a rough-running 1503 engine

Specs At A Glance

Good To Know

Q: How do I know my injector needs replacing? A: Rough idle, misfires, poor fuel economy, or a strong fuel smell often point to a failing injector. A professional diagnostic can confirm whether replacement is needed.

Q: Should injectors be replaced in sets? A: Many technicians replace all injectors at once to keep fuel delivery even across cylinders. Check your service manual and engine condition before deciding.

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