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Review on 🚀 White Sierra 18-3550 140-Degree Marine Thermostat for Mercruiser Stern Drive by Ron Long

Revainrating 5 out of 5

Temperature control

What can I say. it is part of the engine. Throw it away and it works or not. This works just as well as the more expensive OEM. Maintains a very stable engine temperature in the Mercruiser 3.0 liter 4 banger with a raw water cooling system.

Pros
  • Easy to use
Cons
  • No