8431.10.00.90

Other

Parts suitable for use solely or principally with the machinery of headings 8425 to 8430: Of machinery of heading 8425

Unit: No. Heading: 8431 Chapter: 84 As of May 1, 2026

Duty rates

No active duty rates published for this code.

The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.

Trade measures (Chapter 99)

9903.03.01

The duty provided in the applicable subheading + 10%

Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.02

The duty provided in the applicable subheading

Articles the product of any country that (1) were loaded onto a vessel at the port of loading and in transit on the final mode of transit prior to entry into the United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026

Effective from February 24, 2026 through July 24, 2026

9903.03.03

The duty provided in the applicable subheading

Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.04

The duty provided in the applicable subheading

Articles the product of any country, as provided for in subdivision (aa)(iii) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.05

The duty provided in the applicable subheading

Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of any country, provided for in subdivision (aa)(iv) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.06

The duty provided in the applicable subheading

Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.07

The duty provided in the applicable subheading

Articles the product of Canada, as provided for in subdivision (aa)(vi) of U.S. note 2 to this subchapter

Applies to origin: CA

Effective from February 24, 2026 through July 24, 2026

9903.03.08

The duty provided in the applicable subheading

Articles the product of Mexico, as provided for in subdivision (aa)(vii) of U.S. note 2 to this subchapter

Applies to origin: MX

Effective from February 24, 2026 through July 24, 2026

9903.03.09

The duty provided in the applicable subheading

Articles of textiles or apparel the product of Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras or Nicaragua, as provided for in subdivision (aa)(viii) of U.S. note 2 to this subchapter

Applies to origin: CR, SV, GT, HN, NI, DO

Effective from February 24, 2026 through July 24, 2026

9903.03.10

The duty provided in the applicable subheading

Articles that are donations, by persons subject to the jurisdiction of the United States, such as food, clothing and medicine, intended to be used to relieve human suffering

Effective from February 24, 2026 through July 24, 2026

9903.03.11

The duty provided in the applicable subheading

Articles that are informational materials, including but not limited to publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks and news wire feeds

Applies to origin: IL

Effective from February 24, 2026 through July 24, 2026

9903.94.05

The duty provided in the applicable subheading + 25%

Except for products described in headings 9903.94.06, 9903.94.32, 9903.94.33, 9903.94.42, 9903.94.43, 9903.94.44, 9903.94.45, 9903.94.52, 9903.94.53, 9903.94.54, 9903.94.55, 9903.94.62, and 9903.94.63, automobile parts, as provided for in subdivision (g) of U.S. note 33 to this subchapter

Effective from January 1, 2025

9903.94.32

10%

Effective with respect to entries on or after [ ], parts of passenger vehicles and light trucks of the United Kingdom, classified in the subheadings enumerated in subdivision (j) of U.S. note 33 to this subchapter. [Compilers note: This heading is effective on or after June 30, 2025. For more information, see 90 Fed. Reg. 27851.]

Applies to origin: GB

Effective from January 1, 2025

9903.94.33

10%

Automobile parts the product of the United Kingdom as provided for in subdivision (q) of U.S. note 33 to this subchapter.

Applies to origin: GB

Effective from February 25, 2026

9903.94.42

15.0%

Parts of passenger vehicles and light trucks that are products of Japan as provided for subdivision (l) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 equal to or greater than 15 percent as provided for in subdivision (m) of U.S. note 33 to this subchapter.

Applies to origin: JP

Effective from January 1, 2025

9903.94.43

15.0%

Parts of passenger vehicles and light trucks that are products of Japan as provided for in subdivision (l) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent as provided for in subdivision (m) of U.S. note 33 to this subchapter.

Applies to origin: JP

Effective from January 1, 2025

9903.94.44

15.0%

Automobile parts the product of the European Union with an ad valorem (or ad valorem equivalent) rate of duty under column 1 equal to or greater than 15 percent, as provided for in subdivision (r) of U.S. note 33 to this subchapter.

Applies to origin: EU

Effective from February 25, 2026

9903.94.45

15.0%

Automobile parts the product of the European Union with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (r) of U.S. note 33 to this subchapter.

Applies to origin: EU

Effective from February 25, 2026

9903.94.52

15.0%

Parts of passenger vehicles and light trucks that are products of the European Union as specified in subdivision (o) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent as provided for in subdivision (m) of U.S. note 33 to this subchapter) rate of duty under column 1 equal to or greater than 15 percent.

Applies to origin: EU

Effective from January 1, 2025

9903.94.53

15.0%

Parts of passenger vehicles and light trucks that are products of the European Union as specified in subdivision (o) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent as provided for in subdivision (m) of U.S. note 33 to this subchapter) rate of duty under column1 less than 15 percent.

Applies to origin: EU

Effective from January 1, 2025

9903.94.54

15.0%

Automobile parts the product of Japan with an ad valorem (or ad valorem equivalent) rate of duty under column 1 equal to or greater than 15 percent, as provided for in subdivision (r) of U.S. note 33 to this subchapter.

Applies to origin: JP

Effective from February 25, 2026

9903.94.55

15.0%

Automobile parts the product of Japan with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (r) of U.S. note 33 to this subchapter.

Applies to origin: JP

Effective from February 25, 2026

9903.94.62

15.0%

Parts of passenger vehicles and light trucks that are products of South Korea as specified in subdivisions (g) and (t) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent as provided for in subdivision (m) of U.S. note 33 to this subchapter) rate of duty under column 1-General or column 1-Special equal to or greater than 15 percent

Applies to origin: KR

Effective from February 25, 2026

9903.94.63

15.0%

Parts of passenger vehicles and light trucks that are products of South Korea as specified in subdivisions (g) and (t) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent as provided for in subdivision (m) of U.S. note 33 to this subchapter) rate of duty under column 1-General or column 1-Special less than 15 percent

Applies to origin: KR

Effective from February 25, 2026

9903.94.64

15.0%

Parts of passenger vehicles and light trucks that are products of South Korea as specified in subdivisions (r) and (t) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent as provided for in subdivision (m) of U.S. note 33 to this subchapter) rate of duty under column 1-General or column 1-Special equal to or greater than 15 percent

Applies to origin: KR

Effective from February 25, 2026

9903.94.65

15.0%

Parts of passenger vehicles and light trucks that are products of South Korea as specified in subdivisions (r) and (t) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent as provided for in subdivision (m) of U.S. note 33 to this subchapter) rate of duty under column 1-General or column 1-Special less than 15 percent

Applies to origin: KR

Effective from February 25, 2026

SECTION_232_MHDV

9903.74.08

The duty provided in the applicable subheading + 25%

Medium- and heavy-duty vehicle parts, as provided for in subdivision (i) of U.S. note 38 to this subchapter.

Effective from February 25, 2026

9903.88.01

LIST_1

The duty provided in the applicable subheading plus 25%

Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

Applies to origin: CN

Effective from July 6, 2018

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Other codes in heading 8431

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Duty by origin country

The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 8431.10.00.90 from each major US trading partner.

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