Fits for 3500 lbs. capacity trailer axles. Hub grease seals provide protective barrier between the axle hub grease and the outside elements,are used to prevent water, dirt.. Grease seals should be inspected and replaced when signs of wear or damage is noticed. Once indication could be grease build up on the inside of your hub.. 1.719" ID, 2.565 O.D. Cross Ref.# 10-19/171255TB. Package Included:Set of 4 Trailer Hub Grease Seals.
