Review on Sierra International 18 3543 Marine Thermostat by Alan Reels

Based on my observations, this marine thermostat is a great replacement part for engine cooling systems. It's sturdy and reliable, with a straightforward installation process .The thermostat provides accurate temperature readings and works well to regulate engine temperature. The only downside is that it's a bit pricey, but the quality justifies the cost. Overall, I'd recommend the Sierra International marine thermostat for anyone looking for a reliable replacement part..