The National 370048A is a high-quality wheel seal designed for heavy-duty applications, particularly in steer axles. Its robust construction ensures reliable performance and durability. The seal features a unitized construction that provides greater structural integrity, easier installation, and protection for the main lip. Its abrasion-resistant nitrile material, combined with a spring-loaded main lip, ensures positive sealing with reduced shaft interference. Additionally, the unique rubber inner and outer diameters include patented SURE-LOCK® ribs that prevent shaft leaks and bore contamination.This wheel seal is compatible with various heavy-duty vehicles, including models from Ford, Freightliner, Great Dane, International, Kenworth, Mack, Peterbilt, Volvo, and Western Star.
