Quicksilver Thermostat (120 Degree) for 2.5HP-6HP Carbureted Outboards 8M0228409

The Quicksilver Thermostat (120 Degree) for 2.5HP-6HP Carbureted Outboards 8M0228409 is a genuine Quicksilver OEM replacement thermostat designed for select Mercury carbureted outboards.

Compatible With:

• Mercury 2.5HP carbureted outboards
• Mercury 3.5HP carbureted outboards
• Mercury 4HP carbureted outboards
• Mercury 5HP carbureted outboards
• Mercury 6HP carbureted outboards

This 120°F thermostat helps regulate engine operating temperature to maintain proper cooling system performance and engine efficiency. The corrosion-resistant stainless steel construction provides increased service life, while the self-cleaning design allows cooling system contaminants to pass through the sealing surfaces.

Proper thermostat operation helps maintain consistent engine temperatures, improve efficiency, and support reliable cooling system performance. Additional seals or gaskets may be required depending on your application. Refer to your owner's or service manual for installation and replacement procedures.

Genuine Quicksilver parts are manufactured to Mercury Marine specifications to help ensure proper fitment, dependable performance, and compatibility compared to aftermarket alternatives.

To confirm compatibility, contact our team with your engine serial number at (727) 596-5929 before ordering.