Water Pump & Thermostat Housing Sealant


SKU: 3114 Category:

Water Pump & Thermostat Housing Sealant

J-B Weld water pump & thermostat housing gasket maker & sealant is a specially designed RTV (Room Temperature Vulcanized) silicone gasketing material for use in mechanical assemblies. Curing occurs with exposure to moisture in the air, forming a tough, waterproof, petroleum and weather resistant gasket and seal on most surfaces. This product is grey in colour, will not shrink or crack, is sensor safe, has good temperature resistance up to 260C intermittent and is great for many automotive applications.


  • Water pump and thermostat gasket maker/sealant.
  • Maximum oil resistance.
  • Forms a tough, waterproof seal on most surfaces.
  • Temperature resistance up to 260C.
  • Set time: 1 hour, Cure colour: Black.