420664049 Camshaft Position Sensor for Sea-Doo Challenger SE 310 1503 2008-2011

Camshaft Position Sensor for Sea-Doo Challenger/SE 310 1503

This camshaft position sensor for Sea-Doo is a replacement electronic component (OEM cross-reference 420664049) that supplies camshaft position data to the engine control module, supporting accurate ignition and fuel timing on 1503-powered Challenger and SE 310 watercraft.

Overview

This camshaft position sensor for Sea-Doo keeps the engine management system supplied with camshaft position and speed data on Challenger and SE 310 models running the 1503 engine. The sensor for Sea-Doo 1503 applications fits the factory mounting point and restores the signal the ECU relies on for spark and injector timing. It is intended for owners of 2008 to 2011 Challenger and SE 310 craft replacing a worn or faulty sensor.

Built For Performance

• Direct replacement for OEM part number 420664049
• Delivers camshaft position signal to the engine control module
• Sealed housing and connector resist moisture in the engine compartment
• Bolt-in fit at the factory sensor location
• Supports stable ignition and fuel injection timing

Fits These Machines

• for Sea-Doo Challenger with 1503 engine, 2008-2011
• for Sea-Doo SE 310 with 1503 engine, 2008-2011

On-The-Job Use

• Replacing a sensor causing fault codes or starting trouble
• Resolving misfires or timing-related power loss
• Routine maintenance on 1503 engine-equipped watercraft

Specs At A Glance

Good To Know

Q: What symptoms point to a bad camshaft position sensor? A: Hard starting, misfires, erratic idle, or a stored camshaft signal fault code are typical indicators. A scan tool test confirms the diagnosis before you order.

Q: Can I install this sensor myself? A: Yes, it mounts at the factory location and connects with the original plug, so basic hand tools are usually enough. Clear stored fault codes after installation.

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