Equip your semi truck to be ready for the long haul with Expertise Built In to each part, with the OTR HG0118 6-Hole Hub Cap Gasket, a key component that provides enhanced protection for wheel hubs. By utilizing a specialized composition and tight-fitting form, this replacement gasket is the ideal solution to lock out dirt, grime, oil, and other contaminants. Manufactured with a versatile design to be suitable for both vehicles and trailers. FleetPride is your First Click in Heavy Duty .