The 370003A Wheel Seal by National is a premium, heavy-duty Red 37 Series oil bath wheel seal. Specifically designed for 38,000 lb to 48,000 lb drive axles, this seal ensures optimal performance for semi-trucks and tractors. It serves as a direct replacement component for major brands, including:
Its primary function is to lock in lubricants and prevent bore contamination, ensuring the longevity and efficiency of your vehicle's axle system.
Dimensions and performance ratings are derived from official manufacturer data:
This part is compatible with several other major commercial vehicle brand numbers, including:
This product contains chemicals, including Lead and lead compounds, known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
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