Description
Mercury 8M0204714 Thermostat Gasket
The Mercury 8M0204714 thermostat gasket is a genuine Mercury sealing part for compatible Mercury outboard thermostat applications where this part number is specified. Confirm fitment by serial number, parts diagram, owner’s manual, or service manual before ordering.

Key Features
- Genuine Mercury thermostat gasket
- Used with compatible Mercury outboard thermostat assemblies where specified
- Helps seal the thermostat/cooling-system service area
- OEM Mercury gasket for cooling-system service and repair
- Best matched by exact part number and engine serial-number parts lookup
Fitment / Product Details
- Brand: Mercury
- Part number: 8M0204714
- Product type: thermostat gasket
- Application: compatible Mercury outboard thermostat assemblies where 8M0204714 is specified
- Engine range: Mercury outboard applications where this gasket is specified
- Confirm fitment by engine serial number and official parts diagram before purchase
What’s Included
- One Mercury 8M0204714 thermostat gasket
Why You Should Buy
- Correct OEM Mercury gasket for specified thermostat applications
- Useful when replacing a worn, damaged, or leaking thermostat seal/gasket
- Helps avoid mismatched sealing parts during cooling-system service
- Best selected by exact part number and serial-number lookup
Common Applications
- Mercury outboard thermostat service
- Cooling-system gasket replacement
- Applications requiring Mercury 8M0204714
FAQ
- Is this a genuine Mercury part? Yes. This listing is for a genuine Mercury part.
- Is this a thermostat? No. This is a thermostat gasket/seal part.
- Does this fit every Mercury outboard? No. Fitment depends on engine model, serial number, and thermostat assembly.
- How should I confirm fitment? Match part number 8M0204714 to your engine serial-number parts diagram, owner’s manual, or service manual.
- Need help confirming fitment? Contact us before ordering and our parts team can help verify compatibility: Ask a Parts Pro.


