DESCRIPTION
The Sierra 18-43015 Thermostat for MCM and MPI Engines replaces Mallory and Mercruiser stern drive.
Additional Details:
- Fits: MCM 4.3L, 5.0L, 5.7L & 6.2L MPI engines w/dry joint exhaust & closed cooling
- Temperature Rating: 170°F (77°C)
Mallory
- 9-43015
Mercruiser Stern Drive
- 864493
Replaces:
- GLM: 85860
- Mercruiser Stern Drive:
25-807134
25-8071341
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