The PrimaTech Suction Sealing Washer Kit is the perfect solution for preventing leaks and contamination. The kit includes washers that are designed to be properly aligned and tightened, so you can be sure that your fasteners are secure. The washers are also designed to withstand the pressure of hydraulic fluids and other liquids, making them ideal for a variety of applications. FleetPride is your First Click in Heavy Duty®.