This seal sits inside the front hub and is never included in any wheel bearing kits, often not needed to be changed but if any water / dirt has got into the hubs then its defiantly worth changing, shown as number 11 in the diagram.
NOS VW splitscreen camper split bus front axle beam spindle upper king pin pair
New old stock NOS VW Splitscreen camper van bus front axle beam spindle king pin
Front Wheel Spindle Axle Removal Tool for BMW S 1000 RR 2010
Front Wheel Spindle Axle Removal Tool for Yamaha YZF-R6 1999-2020