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Brazil
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Review on 🚀 White Sierra 18-3550 140-Degree Marine Thermostat for Mercruiser Stern Drive by Affan Yeo

Revainrating 5 out of 5

No big deal, cools well.

I installed this thermostat on my son's 1976 Viking deck boat with a Chevrolet Mercruiser in-line 6 engine. The work perfectly meets expectations. My only regret is that I didn't order a new thermostat housing gasket. The thermostat is delivered without a new seal. I removed the case with the utmost care and reused the original gasket.

Pros
  • Sturdy construction
Cons
  • Some problems