Description
A failing coolant temperature sensor can mask critical engine conditions, leading to poor fuel mapping, reduced performance, and potential overheating damage. The WSM Temperature Sensor (004-277) provides accurate real-time coolant temperature data to your Sea-Doo’s ECU, ensuring optimal fuel injection timing and engine protection. This is a direct replacement that restores reliable temperature monitoring in seconds.
- Manufacturer Part Number: 004-277
- Application: Sea-Doo PWCs
- Type: Coolant temperature sensor
- Fitment: Direct OEM replacement
- Installation: Bolt-on, no modifications
- Function: ECU temperature feedback
- Improves: Fuel mapping accuracy
- Prevents: Overheating conditions





