420874846 Fuel Injector for Sea-Doo Challenger SE 2 x 260 1503 2012

Fuel Injector for Sea-Doo

This fuel injector for Sea-Doo replaces OEM part 420874846, delivering the precise fuel delivery your 1503 engine needs to run at its best.

Overview

This fuel injector for Sea-Doo is a direct replacement designed to meter fuel into the combustion chamber with precision. It restores smooth idle, crisp throttle response, and reliable power to your watercraft, making it a smart choice for anyone maintaining or repairing a 2012 Challenger SE. Whether you're chasing a misfire or replacing a clogged injector, this unit for Sea-Doo keeps your engine running cleanly.

Built For Performance

• Direct replacement for OEM part number 420874846
• Built for the 1503 four-stroke engine platform
• Delivers consistent fuel spray pattern for stable combustion
• Sealed connector and body resist moisture and corrosion
• Drop-in fit with no modifications needed

Fits These Machines

• for Sea-Doo Challenger SE 2 x 260, 2012

On-The-Job Use

• Replacing a clogged or failed injector on a 1503 engine
• Restoring smooth idle and throttle response on the water
• Routine fuel system maintenance and refresh
• Repairing a misfire or rough-running condition

Specs At A Glance

Good To Know

Q: How do I know if my injector needs replacing? A: Rough idle, misfires, or a strong fuel smell often point to a clogged or failing injector, and a diagnostic scan can confirm it. Replacing the injector restores proper fuel delivery and smooth running.

Q: Should I replace all injectors at once? A: If one injector has failed, others on the same engine may be worn too, so many owners replace them as a set for even performance. Always confirm the part number matches your engine before ordering.

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