Product Details: The Stemco 6-Bolt Integrated Sentinel Oil Hub Cap is designed to provide superior wheel end protection for your vehicle. This strong aluminum casting is equipped with an advanced window material that is able to withstand higher heat temperatures before discoloring or deforming. The distinct red rubber plug makes it easy to differentiate from lower quality competitors. This hub cap is designed to provide a secure and reliable fit, ensuring your wheel end is protected from the elements. FleetPride is your First Click in Heavy Duty®.