420664049 Camshaft Position Sensor for Sea-Doo Speedster 510 1503 2010-2011

Camshaft Position Sensor for Sea-Doo Speedster 510 1503

The Camshaft Position Sensor, reference 420664049, monitors camshaft rotation and reports timing data so the engine control module can manage ignition and fuel delivery on the Sea-Doo Speedster 510 1503.

Overview

This camshaft position sensor for Sea-Doo Speedster delivers the timing signal the engine computer relies on to fire the ignition and sequence fuel injection correctly. The camshaft position sensor 420664049 is a direct-fit replacement that restores accurate cam reference data when the original unit fails. It suits riders maintaining a 2010-2011 Sea-Doo Speedster 510 1503 who want dependable starting and smooth running.

Built For Performance

• Direct replacement for OEM part number 420664049
• Reads camshaft rotation to supply accurate timing signals
• Sealed housing resists moisture and engine bay heat
• Plug-and-play electrical connector for straightforward install
• Restores ignition and fuel timing accuracy

Fits These Machines

• for Sea-Doo Speedster 510 1503, 2010-2011

On-The-Job Use

• Routine replacement of a failed or intermittent cam sensor
• Diagnosing no-start or rough-running timing faults
• Restoring ignition and injection timing on the water
• Seasonal maintenance on a 1503 engine

Specs At A Glance

Good To Know

Q: How do I know if the camshaft position sensor needs replacing? A: Common signs include hard starting, rough idle, misfires, or stored cam sensor fault codes on a scan tool. Q: Is part 420664049 a direct fit? A: Yes, it is designed as a direct replacement matching the OEM 420664049 sensor for the listed application.

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