Ensure your semi is Ready for the Road Ahead™ with enhanced lubricant prevention and axle protection, with the National 380023A Gold 38 Series Wheel Seal for 34,000 lb Drive Axles. Due to its ability to tightly fit inside the hub assembly, this replacement wheel seal effectively prevents contaminants from entering the wheel, while locking in lubricant. Molded with weather and heat-resistant rubber for optimal durability and performance in challenging climates. FleetPride is your First Click in Heavy Duty®.