8537.10.91

Other

Boards, panels, consoles, desks, cabinets and other bases, equipped with two or more apparatus of heading 8535 or 8536, for electric control or the distribution of electricity, including those incorporating instruments or apparatus of chapter 90, and numerical control apparatus, other than switching apparatus of heading 8517: For a voltage not exceeding 1,000 V: Other

Heading: 8537 Chapter: 85 As of September 16, 2026

Data provenance: Rates from HTS Revision 19 (Sep 16, 2026); trade measures verified against CBP CSMS and Federal Register notices through Sep 3, 2026.

Duty rates

Column 1 (General / MFN)

2.7%

Column 2 (Non-NTR)

35%

Column 1 (Special / FTA)

Free

Eligible

A*AUBBHCLCODEILJOKRMAOMPPAPESSG

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)

9903.94.05

The duty provided in the applicable subheading + 25%

Active

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, 9903.94.63, 9903.94.66 and 9903.94.67, 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%

Active

Effective with respect to entries on or after June 30, 2025, 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.

Applies to origin: GB

Effective from January 1, 2025

9903.94.33

10%

Active

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%

Active

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%

Active

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%

Active

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%

Active

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%

Active

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%

Active

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%

Active

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%

Active

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%

Active

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 November 1, 2025

9903.94.63

15.0%

Active

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 November 1, 2025

9903.94.64

15.0%

Active

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 November 1, 2025

9903.94.65

15.0%

Active

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 November 1, 2025

9903.88.03

LIST_1

The duty provided in the applicable subheading + 25%

Active

Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Applies to origin: CN

Effective from August 23, 2018

SECTION_338

9903.03.14

The duty provided in the applicable subheading + 50%

Active

Section 338 (Canada): goods of Canada in the Proclamation 11048 annex (motor vehicles), 50% additional ad valorem duty. The annex is far broader than its title: honey, plants, lumber, textiles, apparel, tools, furniture, sporting goods and antiques are in it.

Applies to origin: CA

Effective from August 22, 2026

Rate-change history

What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.

  1. SCOPE_EXPANSION Procs. 11046 / 11047 / 11048 (91 FR 46639) — Section 338 Canada

    Section 338 (Canada) motor vehicles: 439 subheadings under 9903.03.14 at 50%, effective 2026-08-22

    See the change →
  2. NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)

    Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026

    See the change →
  3. Base rate HTS 2023

    Column 1 general rate set to 2.7%.

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Other codes in heading 8537

View all codes in heading 8537 →

Duty by origin country

The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 8537.10.91 from each major US trading partner.

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