Mercury MerCruiser Temperature Sender Assembly 849363
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Mercury / MerCruiser Quicksilver Temperature Sender Assembly ā 849363
The Mercury Quicksilver 849363 Temperature Sender Assembly is a genuine OEM oil temperature sending unit used on select MerCruiser high-performance gasoline engines. It monitors engine oil temperature and sends a signal to the engine monitoring system or gauge to help protect the engine from overheating.
Key Specifications
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Part Number: 849363
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Alternate Number: 849363-1
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Component Type: Oil temperature sender assembly
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OEM Brand: Mercury Marine / Quicksilver
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GTIN: 745061418127
Compatible Engines / Applications
Commonly used on MerCruiser high-performance GM-based engines, including:
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500 Bulldog (502 CID)
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500 EFI
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540 Stroker 4V
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575 SCi
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800 SC (572 CID)
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900 SC engines
These engines are typically found in performance sterndrive boats and offshore powerboats.
Function
The temperature sender measures engine oil temperature and transmits the reading to the engine monitoring system or instrument gauge. This allows the operator or ECM to monitor operating conditions and detect excessive heat that could damage internal engine components.
Proper oil temperature monitoring helps ensure:
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Safe engine operating temperature
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Proper lubrication performance
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Early detection of cooling or lubrication issues
Service Notes
If the temperature sender fails, symptoms may include:
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Inaccurate or non-functioning oil temperature gauge
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False alarms or warning signals
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Erratic temperature readings
Replacement restores accurate engine monitoring.
ā ļø Fitment Tip:
Always confirm compatibility using the engine model and serial number in the Mercury parts catalog. Some MerCruiser engines use different temperature senders depending on the engine family and gauge system configuration.
OEM parts ship same or next day for fast Canada wide shipping.
Technical Specifications:
- Type: Temperature sender assembly
- Compatible with: Mercury MerCruiser marine engines
- Part Number: 849363
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3ā4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us ā and we back it with a straightforward 30-Day Satisfaction Guarantee.
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.
We are serious about product integrity ā and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.