Harmonized Tariff Schedule of the United States · HTS code · HS 8543.70

8543.70.45

8543.70.45: Electric synchros and transducers: other

Other electrical machines and apparatus

Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026

  1. 8543 Electrical machines and apparatus, having individual functions, not specified or included elsewhere in this chapter; parts thereof:
  2. 8543.70 Other machines and apparatus:
  3. Electric synchros and transducers; flight data recorders; defrosters and demisters with electric resistors for aircraft:
  4. 8543.70.45 Other

What you pay

Importing into USA

Customs duty 2.6% standard rate depends on the country of origin
Additional duties and charges —
VAT no federal VAT; a Merchandise Processing Fee of 0.3464 % is charged on formal entries
Duty calculatorCalculate duty and taxes →

US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

No additional measures recorded for this origin.

Preferential rates by country

Agreement or schemeCountriesRate
General (MFN)—2.6%
US–Australia FTA AUAustraliaFree
US–Bahrain FTA BHBahrainFree
US–Chile FTA CLChileFree
US–Colombia TPA COColombiaFree
US–Israel FTA ILIsraelFree
US–Jordan FTA JOJordanFree
US–Korea FTA KRSouth KoreaFree
US–Morocco FTA MAMoroccoFree
US–Oman FTA OMOmanFree
CAFTA-DR PCosta Rica, Dominican Republic, El Salvador, Guatemala, Honduras, NicaraguaFree
US–Panama TPA PAPanamaFree
US–Peru TPA PEPeruFree
USMCA SCanada, MexicoFree
US–Singapore FTA SGSingaporeFree
Column 2Cuba, North Korea, Russia, Belarus35%

Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).

Same subheading in other tariffs

8543.70 Other machines and apparatus

USA lines: 8543.70

Binding rulings for similar goods

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • N363803 U.S. CBP 7 August 2026 · 8543.70.45.00

    The tariff classification of a crankshaft position sensor from Japan

  • N362482 U.S. CBP 9 July 2026 · 8543.70.45.00

    The tariff classification of an axle speed sensor from Canada

  • N360060 U.S. CBP 22 April 2026 · 8543.70.45.00

    The tariff classification of parts of flight control surfaces from Canada and Mexico

  • N355243 U.S. CBP 7 November 2025 · 8543.70.45.00

    The tariff classification of a position sensor PCBA from India

  • N353069 U.S. CBP 9 September 2025 · 8543.70.45.00

    The tariff classification of a wheel speed sensor cable from South Korea

  • N349776 U.S. CBP 13 June 2025 · 8543.70.45.00

    The tariff classification of alarm sensors from Thailand

  • H314368 U.S. CBP 29 March 2024 · 8543.70.45

    Protest and Application for Further Review No 4501-20-101593; Classification of Proximity Sensors

  • N335341 U.S. CBP 25 September 2023 · 8543.70.45.00

    The tariff classification of a Hall Effect sensor assembly from Korea

Legal notes

Notes

Chapter notes: Chapter 85 →

HTS code 8543.70.45 is a line of the Harmonized Tariff Schedule of the United States under HS subheading 8543.70 (other machines and apparatus).

The general duty is 2.6%, and quantities are declared in p/st.

For the same subheading, the UK duty is 0%–2%, the EU duty is 0%–3.7%, the Türkiye duty is 0%–3.7%, the Canada duty is free, the Mexico duty is 0%–15%, the Brazil duty is 0%–16.2%, the Argentina duty is 0%–18%, the Peru duty is free, the New Zealand duty is 0%–5%, the Japan duty is free, the Taiwan duty is 0%–4.5%, the GCC duty is free, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 10%.

The United States imported goods of subheading 8543.70 worth US$14bn in 2024; the largest supplier was Mexico.

Questions and answers

What is the USA import duty for HTS code 8543.70.45?

The general duty in the Harmonized Tariff Schedule of the United States is 2.6%; the supplementary unit is p/st. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.

Is there a lower rate for 8543.70.45 under US trade agreements?

Yes. The Special column reads “Free (A*,AU, BH,C, CL, CO,D,E, IL, JO, KR, MA, OM,P, PA, PE,S, SG)”: the letters in brackets name the agreements and programmes that grant it.

Where does the United States import these goods from?

For subheading 8543.70 as a whole, the largest supplier in 2024 was Mexico (US$4bn), followed by Thailand.

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Typical products

Everyday names, not part of the legal text.