This listing is for a Unitized Oil Seal used on heavy duty axles that install on the back of 9,000 - 10,000 lb Dexter hubs. This oil seal has an inner diameter of 2.875 inches and an outer diameter of 3.88 inches, which is compatible with Dexter 9k and 10k general duty hubs, but it is always a good idea to double check any seal numbers and measurements from your current seal to make sure you are getting an exact replacement.
A Unitized oil seal is a dual action seal because the inner part stays fixed on the spindle and the outer casing rotates with the hub. This seal effectively keeps the oil in your heavy-duty trailer hubs or drums, and prevents dust, water, and other intrusive materials from entering.
- Unitized Oil Seal for 8 Lug fits 9,000 - 10,000 lb Hubs/Axles
- 2.8750 inch Inner Diameter
- 3.88 inch Outer Diameter
- Unitized Oil Seal Maintains Lubrication in Hub while Preventing Intrusion from Outside Elements