Permatex Water Pump & Thermostat has the highest water-glycol resistance available in an RTV silicone. PERMATEX® WATER PUMP & THERMOSTAT GASKET MAKER 0.5 OZ - CASE OF 6. PERMATEX® WATER PUMP & THERMOSTAT RTV SILICONE GASKET MAKER 0.5 OZ - CASE OF 6.
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