Get Ready for the Road Ahead™ with enhanced axle protection and lubricant leakage prevention with the National 380001A Gold 38 Series Wheel Seal for 12,000 lb Drive Axles. Thanks to a snug design that fits inside the hub assembly, this replacement wheel seal prevents contaminants from entering the wheel, while locking in the lubricant. Crafted with heat and weather-resistant rubber for optimal performance and durability in rugged climates FleetPride is your First Click in Heavy Duty®.