Outfit your semi truck to be ready for the long haul with enhanced leak protection for wheel hubs, with the OTR 6-Hole Hub Cap Gasket with Expertise Built In™. Thanks to its specialized composition and tight-fitting form, this replacement gasket is the ideal solution to lock out dirt, oil, grime, and other contaminants. Constructed with a multipurpose design to be suitable for both vehicles and trailers. FleetPride is your First Click in Heavy Duty®.