420664049 Camshaft Position Sensor for Sea-Doo Spark 3Up HO 900 2015-2026

Camshaft Position Sensor for Sea-Doo Spark 3Up HO 900

This camshaft position sensor for Sea-Doo Spark 3Up HO 900 models (OEM cross-reference 420664049) provides the ECU with camshaft timing data needed to control ignition and fuel injection accurately.

Overview

This camshaft position sensor for Sea-Doo fits 2015-2026 Spark 3Up HO 900 watercraft as a direct replacement for the original part 420664049. It detects camshaft rotation and transmits that signal so the engine control unit can time spark and fuel events precisely. It is intended for owners replacing a faulty sensor and technicians performing timing-related repairs on Rotax 900 ACE HO engines.

Built For Performance

• OEM cross-reference 420664049 for accurate fitment
• Hall-effect sensing element for consistent signal output
• Water-resistant sealed body for marine engine bays
• Factory-style connector plugs into the existing harness
• Durable housing withstands heat and vibration

Fits These Machines

• for Sea-Doo Spark 3Up HO 900, 2015-2026

On-The-Job Use

• Fixing hard-start and no-start conditions traced to timing signal loss
• Replacement during scheduled engine maintenance
• Resolving misfire and poor-running complaints
• Keeping rental and personal Spark 3Up HO craft on the water

Specs At A Glance

Good To Know

Q: Will this sensor fix a check engine light on my Spark 3Up HO? A: It addresses faults caused by a failed camshaft position sensor, which is a common trigger for cam sensor codes. Always confirm the stored code points to the camshaft sensor before ordering.

Q: Can I install this camshaft position sensor myself? A: Installation is a straightforward bolt-in job requiring basic hand tools and access to the sensor location on the engine. Disconnecting the battery first and matching the connector orientation helps ensure a clean install.

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