Sierra Thermostat, 18-43015
The Sierra 18-43015 Thermostat for MCM and MPI Engines replaces Mallory and Mercruiser stern drive.
- Fits: MCM 4.3L, 5.0L, 5.7L & 6.2L MPI engines w/dry joint exhaust & closed cooling
- Temperature Rating: 170°F (77°C)
Mercruiser Stern Drive
Contains thermostat Seal: 18-1508
- GLM: 85860
- Mercruiser Stern Drive: