Heading 8503
8503.00
Parts suitable for use solely or principally with the machines of heading 8501 or 8502
Official notices
Actions of the President, the USTR or U.S. Customs and Border Protection (CBP) that name this code.
- Jun 1, 2026 · The White House Further Adjusting the Tariff Regimes for Imports of Aluminum, Steel, and Copper Into the United States
- Apr 2, 2026 · The White House Strengthening Actions Taken To Adjust Imports of Aluminum, Steel, and Copper Into the United States
- Aug 19, 2025 · Commerce Adoption and Procedures of the Section 232 Steel and Aluminum Tariff Inclusions Process
- Mar 5, 2025 · Commerce Implementation of Duties on Aluminum Pursuant to Proclamation 10895 Adjusting Imports of Aluminum Into the United States
Mentioned in Chapter 99
The parts of Chapter 99, in the 2026 HTS Revision 22, that list HTS 8503.00, a broader code that includes it, or a narrower code within it.
| U.S. note | Excerpt | Headings that refer to it |
|---|---|---|
| U.S. note 16(c)(vi) | (c) Headings 9903.82.02–9903.82.26 apply to the full customs value of articles classifiable in the provisions of the HTSUS enumerated in the following lists. For articles classified in the listed provisions that are not in chapters 72, 73,… | 9903.82.01, 9903.82.03, 9903.82.05, 9903.82.09 |
| U.S. note 16(c)(vii) | (vii) Derivative steel articles: [Compiler’s note: List may begin on a subsequent page; read numbers from left to right.] | 9903.82.01, 9903.82.03, 9903.82.05, 9903.82.09, 9903.82.16 |
| U.S. note 19(k) | (k) The rates of duty in heading 9903.85.08 apply to all entries of derivative aluminum products classifiable in the following HTSUS provisions, unless the derivative aluminum product was processed in another country from aluminum articles… | 9903.85.68 |
| U.S. note 19(s) | (s) The rates of duty set forth in heading 9903.85.15 apply to all entries of derivative aluminum products of the United Kingdom classifiable in the following provisions of the HTSUS, unless the derivative aluminum product was processed in… | — |
| U.S. note 20(b) | (b) Heading 9903.88.01 applies to all products of China that are classified in the following 8-digit subheadings, except products of China granted an exclusion by the U.S. Trade Representative and provided for in: (1) heading 9903.88.05… | 9903.88.01 |
| U.S. note 20(d) | (d) Heading 9903.88.02 applies to all products of China that are classified in the following 8-digit subheadings, except products of China granted an exclusion by the U.S. Trade Representative and provided for in (1) heading 9903.88.12 and… | 9903.88.02 |
| U.S. note 20(o)(38) | (38) Armature shafts for electric motors of heading 8501 (described in statistical reporting number | 9903.88.12 |
| U.S. note 20(o)(39) | (39) Windshield wiper motor covers and shafts (described in statistical reporting number | 9903.88.12 |
| U.S. note 20(q)(192) | (192) Armatures, other than for motors of under 18.65 W, other than for generators for civil aircraft, each valued not over $5 (described in statistical reporting number | 9903.88.14 |
| U.S. note 20(q)(193) | (193) Motor field cores, other than for motors of under 18.65 W, other than for generators for civil aircraft, of steel stamping, each valued not over $5 (described in statistical reporting number | 9903.88.14 |
| U.S. note 20(q)(194) | (194) Stators and rotors designed for use with household laundry washing machines or tabletop household appliances, each valued not over $10 (described in statistical reporting number | 9903.88.14 |
| U.S. note 20(q)(195) | (195) Stators and rotors for electric motors and generators (excluding generating sets), 2 or 4 pole type, valued $85 or more but not over $1,700 each (described in statistical reporting number | 9903.88.14 |
| U.S. note 20(v)(74) | (74) Parts of generators (other than parts of general use as defined in note 2 to section XV), each valued not over $10 (described in statistical reporting number | 9903.88.17 |
| U.S. note 20(y)(51) | (51) End brackets suitable for use solely or principally with generators of heading 8501 (other than generators of statistical reporting number | 9903.88.20 |
Being listed is not owing a duty. A note may list goods that a measure leaves out; whether a heading applies depends on the origin, the date and the product; and the measures on all the goods of a country list no code at all. The calculator says what applies.
In the tariff
- 8503.00Parts suitable for use solely or principally with the machines of heading 8501 or 8502
- 8503.00.20.00Commutators2.4%
- Stators and rotors for the goods of heading 8501
- 8503.00.35.00For motors of under 18.65 W6.5%
- 8503.00.45.00For generators suitable for use on aircraftFree
- 8503.00.65.00Other3%
- Other
- 8503.00.75.00For motors of under 18.65 W6.5%
- 8503.00.90.00For generators suitable for use on aircraftFree
- 8503.00.95Other3%
- 8503.00.95.20Parts of motors
- Parts of generators
- 8503.00.95.46For AC generators (alternators) classified in statistical reporting number 8501.64.0110
- 8503.00.95.50Other
- Other
- 8503.00.95.70Parts of wind-powered generating sets classified in subheading 8502.31.00
- 8503.00.95.80Other