hey guys, how necessary is this part? the remanufactured driveshafts didn't come with them. goes before the spindle, is not the spindle washer nut.
looking at courtesy parts, it says they're grease seals for the rear hub. of course the bearings should all be self-contained anyways.
http://www.courtesyparts.com/betasit...1508_1512.html
part 43232 grease seal rear hub
here's a picture i found on the internet:
they pop on and off pretty easily with a screwdriver and a hammer