Equip your semi to be Ready for the Road Ahead™, with the National 380031A Gold 38 Series Wheel Seal for 38,000-48,000 lb Drive Axles, a crucial component for enhanced axle protection and lubricant leakage prevention. With a snug design that gently fits inside the hub assembly, this replacement wheel seal locks in lubricant while preventing contaminants from entering the wheel. Manufactured with weather and heat-resistant rubber for optimal durability and performance in harsh climates. FleetPride is your First Click in Heavy Duty®.