Ensure your semi is Ready for the Road Ahead™ with enhanced lubricant prevention and axle protection, with the Stemco Guardian® HP TP-Seal for Pro-Par Trailer Axles. This replacement kit snugly fits inside the hub assembly, preventing contaminants from entering the wheel and preserving the lubricant. Manufactured with weather and heat-resistant rubber for optimal durability and performance in harsh climates. FleetPride is your First Click in Heavy Duty®.