best thermostat gasket sealant
Imagine working under your car, trying to seal a stubborn thermostat housing. I’ve been there — getting frustrated with leaks and unreliable seals. Then I tested the Permatex 22071 Water Pump and Thermostat RTV Silicone. Its superior water-glycol resistance and flexibility really stood out, especially at high temperatures up to 500°F. It sticks well, seals … Read more