Quicksilver
Mercury Thermostat, 170°F (MerCruiser MPI ) 864493
- SKU:
- 864493
- MPN:
- 864493
- Availability:
- Usually Ships within 24hours
- Weight:
- 3.01 Ounces
- Shipping:
- Calculated at Checkout
Description
The Quicksilver Thermostat (170°F MerCruiser MPI Dry Joint Cooling Systems) 864493 is a genuine Quicksilver OEM replacement thermostat designed to maintain proper operating temperature for select MerCruiser sterndrive engines equipped with dry joint exhaust and closed cooling systems.
Compatible with the following (engines must have dry joint exhaust and closed cooling):
- MerCruiser 4.3L MPI
- MerCruiser 4.5L MPI
- MerCruiser 5.0L MPI
- MerCruiser 5.7L MPI
- MerCruiser 6.2L MPI
This 170°F (77°C) thermostat regulates coolant flow to help the engine reach and maintain its proper operating temperature. Maintaining the correct engine temperature helps optimize performance, fuel efficiency, and engine longevity while supporting proper operation of the closed cooling system.
Replacing a worn or malfunctioning thermostat is an important part of cooling system maintenance and can typically be completed using common hand tools. Refer to your owner's or service manual for proper installation procedures.
To confirm compatibility, contact our team with your engine serial number at (727) 596-5929 before ordering.
Warranty Information
Shipping options, return information, warranty coverage, and fitment assistance available.