420664049 Camshaft Position Sensor for Sea-Doo GTS STDR HO 900 2017

Camshaft Position Sensor for Sea-Doo

This camshaft position sensor, referenced as 420664049, monitors camshaft rotation and reports timing data to the engine management system so fuel delivery and ignition stay synchronized.

Overview

This camshaft position sensor for Sea-Doo delivers the timing signal the engine computer relies on to fire the ignition and inject fuel at the right moment. The camshaft position sensor is a direct-fit replacement for worn or failed original units on the listed personal watercraft. It suits riders and mechanics servicing a Sea-Doo GTS STDR HO 900 who need dependable engine timing.

Built For Performance

• Direct-fit replacement for the original camshaft position sensor
• Sealed housing resists water spray and engine bay moisture
• Solid-state sensing element for consistent signal output
• Matches the 420664049 reference for straightforward sourcing
• Plug-in connector aligns with the factory harness

Fits These Machines

• for Sea-Doo GTS STDR HO 900 (2017)

On-The-Job Use

• Restoring engine timing on a personal watercraft that cranks but will not start
• Replacing a sensor damaged by heat, vibration, or water intrusion
• Routine ignition system service on the listed Sea-Doo model
• Diagnostic troubleshooting of rough running or misfire symptoms

Specs At A Glance

Good To Know

Q: What happens when a camshaft position sensor fails? A: The engine computer loses its timing reference, which typically causes hard starting, misfires, or a no-start condition. Replacing the sensor restores the signal the ignition system needs.

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket camshaft position sensor built to fit the listed Sea-Doo application and cross-referenced to 420664049.

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