Protect your vehicle's mechanical components from oil leakage, with the Dexter 2.875" ID Rubber/Metal Oil Grease Seal that ensures you're Ready for the Road Ahead. To prevent oil from escaping reservoirs or oil-dependent parts, this replacement rubber seal forms a tight seal around metals to lock in oil and grease. Fashioned with ultra-durable rubber for long-term durability. FleetPride is your First Click in Heavy Duty.