Thermostat 864493 is a 170°F component designed for modern MerCruiser MPI engines equipped with dry joint exhaust and closed cooling systems. Maintaining the specific operating temperature required for multi-port injection systems ensures optimal fuel mapping and engine longevity.
- 170°F thermostat for MerCruiser 4.3L through 6.2L MPI engines
- For engines with dry joint exhaust and closed cooling systems
- Easy to replace with common shop tools
- Ensures proper engine temperature for multi-port injection efficiency
- Produced to meet original equipment manufacturer specifications
