8503.00—Parts suitable for use solely or principally with the machines of heading 8501 or 8502
General duty rate
Free – 6.5%
Across 11 10-digit lines; pick a line below for the exact rate
Coverage on this page
Plain-English explanation
HTS 8503.00 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Parts suitable for use solely or principally with the machines of heading 8501 or 8502. It sits in Chapter 85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers; television image and sound recorders and reproducers, and parts and accessories of such articles, Section XVI: Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such Articles and rolls up 11 10-digit statistical lines, with general duty rates ranging from Free to 6.5%. 12 Chapter 99 tariff modifications currently touch one or more lines under this subheading, and 18 AD/CVD orders flag at least one child line.
10-digit lines under 8503.00(11)
Pick a line to view full rate detail and compute landed duty
8503.00.20.00Commutators2.4%8503.00.35.00For motors of under 18.65 W6.5%8503.00.45.00For generators suitable for use on aircraftFree8503.00.65.00Other3%8503.00.75.00For motors of under 18.65 W6.5%8503.00.90.00For generators suitable for use on aircraftFree8503.00.95.20Parts of motors3%8503.00.95.46For AC generators (alternators) classified in statistical reporting number 8501.64.01103%8503.00.95.50Other3%8503.00.95.70Parts of wind-powered generating sets classified in subheading 8502.31.003%8503.00.95.80Other3%Tariff modifications(12)
Chapter 99 overlays touching one or more lines under 8503.00
| Code | Authority | Rate |
|---|---|---|
| 9903.81.91 | section_232 | The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content. |
| 9903.81.92 | section_232 | The duty provided in the applicable subheading. |
| 9903.81.98 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.80.03 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.86 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.84 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.85.08 | section_232 | The duty provided in the applicable subheading + a duty of 50% upon the value of the aluminum content. |
| 9903.85.15 | section_232 | The duty provided in the applicable subheading + a duty of 25% upon the value of the aluminum content |
| 9903.85.09 | section_232 | The duty provided in the applicable subheading. |
| 9903.85.01 | section_232 | The duty provided in the applicable subheading + 10% |
| 9903.85.68 | section_232 | The duty provided in the applicable subheading + 200% |
| 9903.85.70 | section_232 | The duty provided in the applicable subheading + 200% |
AD/CVD orders(18)
Antidumping or countervailing orders covering one or more lines under 8503.00
A-549-847ADThailandAluminum ExtrusionsA-475-846ADItalyAluminum ExtrusionsA-301-806ADColombiaAluminum ExtrusionsA-533-920ADIndiaAluminum ExtrusionsA-583-874ADTaiwanAluminum ExtrusionsA-331-804ADEcuadorAluminum ExtrusionsA-552-837ADVietnamAluminum ExtrusionsA-557-826ADMalaysiaAluminum ExtrusionsA-570-158ADChinaAluminum Extrusions from China (2024 Investigation)C-570-159CVDChinaAluminum ExtrusionsC-560-841CVDIndonesiaAluminum ExtrusionsA-580-918ADKorea, Republic ofAluminum ExtrusionsC-489-851CVDTürkiyeAluminum ExtrusionsC-201-861CVDMexicoAluminum ExtrusionsA-520-810ADUnited Arab EmiratesAluminum ExtrusionsA-489-850ADTürkiyeAluminum ExtrusionsA-201-860ADMexicoAluminum ExtrusionsA-560-840ADIndonesiaAluminum ExtrusionsFrequently asked questions
What does HTS 8503.00 cover?
HTS 8503.00 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Parts suitable for use solely or principally with the machines of heading 8501 or 8502. It belongs to Chapter 85 and rolls up 11 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 8503.00?
General (Column 1) duty rates for the 10-digit lines under HTS 8503.00 range from Free to 6.5%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.
How do I find the right 10-digit line under HTS 8503.00?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 8503.00 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 8503.00?
Yes — 18 AD/CVD orders flag at least one 10-digit line under HTS 8503.00. Whether a specific shipment falls in scope depends on the country of origin and the order's scope determination. See compliance.tandom.ai for full coverage detail.
Learn more
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