420664049 Camshaft Position Sensor for Sea-Doo Challenger SE 255 1503 2009-2011

Camshaft Position Sensor for Sea-Doo

This camshaft position sensor for Sea-Doo replaces OEM part 420664049, supplying accurate cam timing data to the engine control module.

Overview

This camshaft position sensor is a replacement part designed for Sea-Doo 1503 engine applications, including the Challenger SE 255. It monitors camshaft rotation and relays precise timing signals so the ECU can manage fuel and spark correctly. It suits owners and technicians servicing 2009 to 2011 Challenger SE 255 models.

Built For Performance

• Direct-fit replacement for OEM part number 420664049
• Delivers accurate camshaft position readings to the ECU
• Sealed construction withstands moisture and engine vibration
• Factory-style connector plugs into the original harness
• Consistent signal output throughout the RPM range

Fits These Machines

• for Sea-Doo Challenger SE 255 1503, 2009-2011

On-The-Job Use

• Fixing hard-start or no-start conditions on 1503 engines
• Diagnostic replacement when cam correlation codes appear
• Rebuilds where the original sensor is worn or failed
• Marine service work on Sea-Doo 4-TEC powerplants

Specs At A Glance

Good To Know

Q: Is any calibration needed after installing this sensor? A: No, this camshaft position sensor is a direct plug-in replacement that works with the factory engine management system. Verify the connector and mounting point match your engine first.

Q: How can I tell if the camshaft position sensor has failed? A: Symptoms often include extended cranking, misfires, poor idle, and cam-related fault codes. Swapping in a known-good sensor can confirm the diagnosis quickly.

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