Hub cap. For front wheel hub C9NN1104D.
Also compatible with...
Ford: 3400, 3500, 3550, 4120, 4140, 4400, 4410, 4500, 5000, 5100, 5110, 5190, 5200, 5600, 5610, 5640, 5700, 6000, 6600, 6610, 6640, 6700, 6710, 6810, 7000, 7100, 7200, 7410, 7600, 7610, 7700, 7710, 7740, 7810, 7840, 7910, 8000, 8200, 8210, 8240, 8340, 8400, 8600, 8700, 9000, 9200, 9600, 9700, TW10, TW15, TW20, TW25, TW30, TW35