Back up ring
Item Code: 4978b
OEM No
Ford
D3NN473A
81838586
Tractor Model Compatibility
Ford
5000, 5100, 5110, 5200, 5340, 5600, 5610, 5640, 5700, 5900, 6410, 6600, 6610, 6640, 6700, 6710, 6810, 7000, 7010, 7100, 7200, 7410, 7600, 7610, 7700, 7710, 7740, 7810, 7840, 7910, 8010, 8210, 8240, 8530, 8630, 8730, 8830, TW 15, TW 25, TW 35, TW 5