420664049 Camshaft Position Sensor for Sea-Doo Challenger SE 155 1503 2012

Camshaft Position Sensor for Sea-Doo

This camshaft position sensor for Sea-Doo is a replacement component that tracks camshaft rotation and delivers timing signals to the engine management system, cross-referenced to OEM part number 420664049.

Overview

This camshaft position sensor for Sea-Doo helps the engine control unit maintain correct fuel injection and ignition timing by reporting camshaft position. It is a replacement for OEM 420664049 and fits Challenger and SE 155 1503 twin-engine models from 2012. Suited to owners performing maintenance or replacing a faulty sensor.

Built For Performance

• Direct replacement for OEM part number 420664049
• Delivers accurate camshaft position data to the ECU
• Supports proper fuel injection and ignition timing
• Housing designed for the 1503 engine platform
• Plug-in connector for direct installation

Fits These Machines

• for Sea-Doo Challenger 155 1503 (2012)
• for Sea-Doo Challenger SE 155 1503 (2012)

On-The-Job Use

• Replacing a failed or intermittent camshaft sensor
• Restoring correct engine timing after a fault code
• Routine maintenance on 1503-powered jet boats
• Diagnostic troubleshooting of starting or running issues

Specs At A Glance

Good To Know

Q: What symptoms point to a bad camshaft position sensor? A: Hard starting, rough running, misfires, or a camshaft-related fault code are common indicators. Testing the sensor and its wiring before replacement helps confirm the cause.

Q: Is this an original Sea-Doo part? A: This is a replacement camshaft position sensor for Sea-Doo applications, cross-referenced to OEM number 420664049. It is not an original factory-branded component.

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