Car wheel hub caps, also known as rim center caps, are the decorative covers that fit over the center portion of a vehicle's wheel. They serve both aesthetic and functional purposes. Aesthetically, they enhance the overall appearance of the wheels by concealing the lug nuts and adding a sleek, finished look. Functionally, they help protect the wheel bearings and lug nuts from dirt, debris, and moisture, prolonging the life of these critical components. Hub caps come in a variety of styles, from basic plastic covers to premium metal designs with intricate logos or patterns. They are designed to be easily removable for tire changes or wheel maintenance. When selecting hub caps, it's important to ensure a proper fit for your specific wheel size and make/model. Properly installed hub caps not only improve your car's curb appeal but also contribute to its overall protection and longevity on the road. Car Wheel Hub Cap #9W1Z-1130-A, Rim Center Caps For Town Car MKT MKX MKZ 2006-2011.2007-2009 MKZ For Vehicles With 17 Inch Aluminum Wheels 2008-2010 MKX For Vehicles With 17 Inch Aluminum Wheels 2007-2011 Town Car For Vehicles With 17 Inch Aluminum Wheels