Ensure your semi truck is Ready for the Road Ahead™ with enhanced protection for wheel hubs, with the Stemco 330-3024 6-Hole Hub Cap Gasket. 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 versatile design to be suitable for both vehicles and trailers. FleetPride is your First Click in Heavy Duty®.