420874520 Fuel Injector for Sea-Doo Challenger SE 430 1503 2008-2010

Fuel Injector for Sea-Doo Challenger SE 430 1503

This fuel injector for Sea-Doo delivers a precise, metered spray of fuel into the 1503 engine, helping the Challenger SE 430 maintain smooth acceleration and reliable power; it cross-references OEM part number 420874520.

Overview

This fuel injector for Sea-Doo is a direct-fit replacement component built to restore proper fuel delivery on the Challenger SE 430. As a fuel injector for Sea-Doo 1503 powered watercraft, it atomizes fuel for efficient combustion and consistent throttle response. It suits owners replacing a clogged or failed injector on a 2008 to 2010 Challenger SE 430.

Built For Performance

• Cross-references OEM part number 420874520 for straightforward matching
• Precision internal metering designed for consistent fuel atomization
• Sealed electrical connector to resist moisture in marine conditions
• Direct-fit body sized for the 1503 engine intake location
• Corrosion-resistant housing suited to fresh and saltwater use
• Meets fuel flow expectations for the Challenger SE 430 platform

Fits These Machines

• for Sea-Doo Challenger SE 430 1503 (2008-2010)

On-The-Job Use

• Restoring idle quality after injector fouling
• Replacing a failed injector causing a misfire or rough running
• Routine fuel system service on the 1503 engine
• Bringing a stored or seasonal watercraft back into reliable operation

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo injector? A: This is an aftermarket replacement injector, not an original brand product, and it is cross-referenced to OEM part number 420874520.

Q: How many injectors does my engine need? A: The 1503 engine uses multiple injectors, so confirm the quantity required for your setup and inspect the others while servicing.

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