Product Details: Update your semi truck with ultra-strong and solid silicone seals, with the Permatex Anaerobic Gasket Maker that ensures you're Ready for the Road Ahead™. This replacement device uses liquid silicone to create custom-fit silicone seals for engines, gearboxes, exhaust systems, and more. Engineered with an advanced system that keeps parts at their best with a resistance to water, oil , and other fluids. FleetPride is your First Click in Heavy Duty®.