Harmonized Tariff Schedule of the United States · HTS code · HS 8511.90

8511.90.40

8511.90.40: Parts of ignition and starting equipment: Of voltage and voltage-current regulators with cut-out: other

Parts of ignition and starting equipment

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. 8511 Electrical ignition or starting equipment of a kind used for spark-ignition or compression-ignition internal combustion engines (for example, ignition magnetos, magneto-dynamos, ignition coils, spark plugs and glow plugs, starter motors); generators (for example, dynamos, alternators) and cut-outs of a kind used in conjunction with such engines; parts thereof:
  2. 8511.90 Parts:
  3. Of voltage and voltage-current regulators with cut-out relays:
  4. 8511.90.40 Other

What you pay

Importing into USA

Customs duty Free standard rate depends on the country of origin
Additional duties and charges 1 additional measure
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.

Additional duties and charges 1

  • Additional dutySection 301 — China — technology transfer, IP and innovation (2018 actions and 2024 four-year review) 25%
    Applies to goods from
    China
    In force
    from 23 August 2018
    Legal act
    HTSUS 9903.88.02

Same subheading in other tariffs

8511.90 Electrical ignition or starting equipment of a kind used: parts

USA lines: 8511.90

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.

  • H302170 U.S. CBP 20 November 2019 · 8511.90.60

    Request for Reconsideration of NY N300601; Tariff Classification of a Pulley Assembly and a Recoil Assembly

  • N300601 U.S. CBP 9 October 2018 · 8511.90.60.40

    The tariff classification of a pulley assembly and a recoil assembly from China

  • N299777 U.S. CBP 10 August 2018 · 8511.90.60.40

    The tariff classification of a Spark Plug Gaskets from India

  • N282398 U.S. CBP 27 January 2017 · 8511.90.60.40

    The tariff classification of a Coil Housing Assembly from China

  • 600015531 HMRC 15 June 2026 – 14 June 2029 · 8511 90 00 90

    Voltage regulators are intended for use within an alternator. Some intended purposes of the voltage regulator within the alternator include preventing the battery from over/under charging as this can affect the battery life significantly. Other purposes of these voltage regulators include are to…

  • 600015530 HMRC 12 June 2026 – 11 June 2029 · 8511 90 00 90

    Voltage regulators are intended for use within an alternator. Some intended purposes of the voltage regulator within the alternator include preventing the battery from over/under charging as this can affect the battery life significantly. Other purposes of these voltage regulators include are to…

  • 600015529 HMRC 11 June 2026 – 10 June 2029 · 8511 90 00 90

    Voltage regulators are intended for use within an alternator. Some intended purposes of the voltage regulator within the alternator include preventing the battery from over/under charging as this can affect the battery life significantly. Other purposes of these voltage regulators include are to…

  • 600015526 HMRC 10 June 2026 – 9 June 2029 · 8511 90 00 90

    Voltage regulators are intended for use within an alternator. Some intended purposes of the voltage regulator within the alternator include preventing the battery from over/under charging as this can affect the battery life significantly. Other purposes of these voltage regulators include are to…

9 rulings in total for this code

Legal notes

Notes

Chapter notes: Chapter 85 →

HTS code 8511.90.40 is a line of the Harmonized Tariff Schedule of the United States under HS subheading 8511.90 (electrical ignition or starting equipment of a kind used: parts).

The general duty is free, and quantities are declared in kg.

For the same subheading, the UK duty is 2%, the EU duty is 3.2%, the Türkiye duty is 3.2%, the Canada duty is free, the Mexico duty is free, the Brazil duty is 16%, the Argentina duty is 16%, the Peru duty is free, the New Zealand duty is free, the Japan duty is free, the Taiwan duty is 5%–7.5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 8% and the Nigeria duty is 5%.

The United States imported goods of subheading 8511.90 worth US$378m in 2024; the largest supplier was Japan.

Questions and answers

What is the USA import duty for HTS code 8511.90.40?

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

Where does the United States import these goods from?

For subheading 8511.90 as a whole, the largest supplier in 2024 was Japan (US$185m), followed by China.

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