Yanmar OEM Water Temperature Sensor 6LY3 Series 119254-44910
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The Yanmar 119254-44910 is a genuine OEM water temperature sensor for select Yanmar marine diesel applications. Current Yanmar parts references identify this part specifically as SENSOR, WATER TEMP. and associate it with several 6LY3-series marine engines.
This sensor is used to monitor engine coolant temperature and send that reading to the engine’s temperature monitoring system. Using the correct OEM sensor helps maintain proper temperature reporting and supports accurate troubleshooting during service. The function statement here is based on the part type; the cited sources confirm the OEM identity and fitment.
Key Features
- Genuine Yanmar OEM water temperature sensor
- OEM part number: 119254-44910
- Current Yanmar description: SENSOR, WATER TEMP.
- Designed for select Yanmar marine diesel applications
- Supports engine temperature monitoring and warning functions.
Engine Compatibility
Current supported Yanmar references associate 119254-44910 with select 6LY3-series marine engines, including 6LY3-ETP, 6LY3-STP, 6LY3-STC, 6LY3-UTC, and 6LY3-UTP applications.
Serial Number Fitment Notice
Fitment should be verified by engine model and serial number before ordering. Matching by OEM part number 119254-44910 remains the safest method.
When This Part Needs Replacement
Replace the sensor if the temperature gauge reading becomes inaccurate, temperature warnings become erratic, the sensor fails diagnostic testing, or the unit is damaged or leaking at the installation point. This maintenance guidance is based on the function of a water temperature sensor; the reviewed sources primarily confirm part identity and fitment.
Installation Notes
Install only where 119254-44910 is specified for the engine application. Confirm engine model and serial number before service, and inspect the connector and sealing area during replacement.
Alternate / Superseded Part Numbers when applicable
No superseded OEM number was confirmed in the reviewed sources. The supported OEM part number is 119254-44910.
Parts Desk Insight
Temperature sensors are small parts, but they feed one of the most important warning systems on the engine. When a sensor starts reading incorrectly, it can create false alarms or hide a real overheating issue, so OEM replacement is the safer choice when diagnosis points to the sender.
Shipping
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Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
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If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
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