420664049 Camshaft Position Sensor for Sea-Doo SP 155 1503 2012

Camshaft Position Sensor for Sea-Doo

The Camshaft Position Sensor 420664049 is a direct-fit replacement component for Sea-Doo 1503 engines, reporting camshaft position to the ECU so ignition and fuel timing stay accurate.

Overview

This Camshaft Position Sensor 420664049 is built for Sea-Doo 1503 engine applications, replacing the original sensor that relays camshaft position data to the engine management system. It helps the ECU time spark and fuel delivery correctly for consistent running. This Camshaft Position Sensor suits riders performing routine maintenance or troubleshooting no-start and rough-running conditions on their Sea-Doo watercraft.

Built For Performance

• Direct replacement for OEM part number 420664049
• Constructed with sealed housing to resist moisture intrusion
• Provides accurate camshaft position signal to the engine control unit
• Plug-and-play connector matches factory wiring harness
• Designed for the heat and vibration of marine engine environments
• Restores proper ignition and fuel timing when the original sensor fails

Fits These Machines

• for Sea-Doo SP with 1503 engine
• for Sea-Doo 155 models with 1503 engine
• for Sea-Doo 1503 4-TEC engine applications

On-The-Job Use

• Replacing a failed camshaft position sensor during engine diagnostics
• Restoring proper ignition timing after hard-start or misfire symptoms
• Scheduled maintenance on Sea-Doo 1503 equipped watercraft
• Shop repairs where a genuine OEM cross-reference is required

Specs At A Glance

Good To Know

Q: Will this sensor work on both 155 and 260 horsepower 1503 engines? A: The 420664049 camshaft position sensor is listed for Sea-Doo 1503 engine applications, so confirm your specific model and serial number before ordering. Fitment can vary by year and trim.

Q: Do I need to reprogram the ECU after installing this sensor? A: In most cases no reprogramming is needed, but the ECU may need to relearn and clear stored fault codes. Follow the service manual procedure for your Sea-Doo model.

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