HTS code 8708.50.81.00 covers "Parts and accessories of the motor vehicles of headings 8701 to 8705 › Drive-axles with differential, whether or not provided with other transmission components, and non-driving axles; parts thereof › For vehicles of heading 8703 › Parts of non-driving axles › Of cast iron" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.