HTS Index

HTS heading 8503

Parts suitable for use solely or principally with the machines of heading 8501 or 8502 — 13 codes under this heading, with the duty on each.

CodeDescriptionGeneral rateUnits
8503.00Parts suitable for use solely or principally with the machines of heading 8501 or 8502 + Ch. 99not stated
8503.00.20.00Commutators + Ch. 992.4%No.
8503.00.35.00For motors of under 18.65 W + Ch. 996.5%No.
8503.00.45.00For generators suitable for use on aircraft + Ch. 99FreeNo.
8503.00.65.00Other + Ch. 993%No.
8503.00.75.00For motors of under 18.65 W + Ch. 996.5%No.
8503.00.90.00For generators suitable for use on aircraft + Ch. 99FreeNo.
8503.00.95Other + Ch. 993%
8503.00.95.20Parts of motors + Ch. 993% (inherited from 8503.00.95)kg
8503.00.95.46For AC generators (alternators) classified in statistical reporting number 8501.64.0110 + Ch. 993% (inherited from 8503.00.95)kg
8503.00.95.50Other + Ch. 993% (inherited from 8503.00.95)kg
8503.00.95.70Parts of wind-powered generating sets classified in subheading 8502.31.00 + Ch. 993% (inherited from 8503.00.95)kg
8503.00.95.80Other + Ch. 993% (inherited from 8503.00.95)kg

5 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.

Additional duties may apply

13 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.

Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.