Description
Sierra 18-43015 Mercruiser Thermostat
Sierra replacement thermostat for Mercruiser Stern Drives.
Fits: MCM 4.3L, 5.0L, 5.7L & 6.2L MPI engines w/dry joint exhaust & closed cooling
- Temperature Rating: 170°F (77°C)
Interchangeable with:
- Mallory
- 9-43015
- Mercruiser Stern Drive
- 864493
