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HTS heading 8503: Parts suitable for use solely or principally with the machines of heading 8501 or 8502

Heading 8503 of the US Harmonized Tariff Schedule covers Parts suitable for use solely or principally with the machines of heading 8501 or 8502. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev20 · check on hts.usitc.gov

Heading 8503 at a glance

Goods named in this heading (official line texts): Commutators, For motors of under 18.65 W, For generators suitable for use on aircraft, For motors of under 18.65 W, For generators suitable for use on aircraft.

Subheadings (6-digit)

All tariff lines in heading 8503

LineDescriptionGeneralSection 301 (China)Exclusions
8503.00.20Parts suitable for use solely or principally with the machines of heading 8501 o…: Commutators2.4%List 1 +25%
8503.00.35Stators and rotors for the goods of heading 8501: For motors of under 18.65 W6.5%List 1 +25%
8503.00.45For generators suitable for use on aircraftFreeList 1 +25%
8503.00.65Stators and rotors for the goods of heading 8501: Other3%List 1 +25%
8503.00.75Other: For motors of under 18.65 W6.5%List 1 +25%
8503.00.90For generators suitable for use on aircraftFreeList 1 +25%
8503.00.95Other: Other3%List 2 +25%

All of chapter 85 · Chapter 85 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.