Harmonized Tariff Schedule of the United States · HTS code · HS 8407.34

8407.34.18

8407.34.18: To be installed in vehicles of subheading 8701.21, 8701.22: other

Petrol vehicle engines over 1000 cc

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. 8407 Spark-ignition reciprocating or rotary internal combustion piston engines:
  2. Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87:
  3. 8407.34 Of a cylinder capacity exceeding 1,000 cc:
  4. Of a cylinder capacity not exceeding 2,000 cc:
  5. To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704:
  6. 8407.34.18 Other

What you pay

Importing into USA

Customs duty 2.5% standard rate depends on the country of origin
Additional duties and charges 8 additional measures
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 8

  • Additional dutySection 232 — Medium- and heavy-duty vehicles, buses and parts 25%
    Applies to goods from
    all countries
    In force
    from 1 November 2025
    Legal act
    HTSUS 9903.74.08
  • 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 24 September 2018
    Legal act
    HTSUS 9903.88.03
  • Additional dutySection 232 — Passenger vehicles, light trucks and parts 25%
    Applies to goods from
    all countries except Japan, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, South Korea, Taiwan
    In force
    from 3 May 2025
    Legal act
    HTSUS 9903.94.05
  • Additional dutySection 232 — Passenger vehicles, light trucks and parts 7.5%
    Applies to goods from
    United Kingdom
    In force
    from 30 June 2025
    Legal act
    HTSUS 9903.94.32
  • Additional dutySection 232 — Passenger vehicles, light trucks and parts 12.5%
    Applies to goods from
    Japan
    In force
    from 16 September 2025
    Legal act
    HTSUS 9903.94.43
  • Additional dutySection 232 — Passenger vehicles, light trucks and parts 12.5%
    Applies to goods from
    Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia and 19 more
    In force
    from 25 September 2025
    Legal act
    HTSUS 9903.94.53
  • Additional dutySection 232 — Passenger vehicles, light trucks and parts 12.5%
    Applies to goods from
    South Korea
    In force
    from 4 December 2025
    Legal act
    HTSUS 9903.94.63
  • Additional dutySection 232 — Passenger vehicles, light trucks and parts 12.5%
    Applies to goods from
    Taiwan
    In force
    from 1 May 2026
    Legal act
    HTSUS 9903.94.67

Preferential rates by country

Agreement or schemeCountriesRate
General (MFN)—2.5%
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

8407.34 Of a cylinder capacity exceeding 1000 cm3

UK 4% Third-country duty 7 tariff lines EU 2.7% – 4.2% Third-country duty 4 tariff lines · average 3.8% Türkiye 2.7% – 4.2% Third-country duty 4 tariff lines · average 3.8% Canada Free Third-country duty 5 tariff lines Mexico Free Third-country duty 2 tariff lines Brazil 16.2% – 18% Third-country duty 2 tariff lines · average 17.1% Argentina 18% Third-country duty 3 tariff lines Peru Free Third-country duty 1 tariff line New Zealand Free – 5% Third-country duty 6 tariff lines · average 3.3% Japan Free Third-country duty 1 tariff line Taiwan 11.5% – 17.5% Third-country duty 2 tariff lines · average 14.5% GCC 5% Third-country duty 3 tariff lines Switzerland Free Third-country duty 1 tariff line Norway Free Third-country duty 1 tariff line North Macedonia 10% – 15% Third-country duty 4 tariff lines · average 13.8% Nigeria 10% Third-country duty 1 tariff line

USA lines: 8407.34

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.

  • N293418 U.S. CBP 1 February 2018 · 8407.34.18.00

    The tariff classification of a cylinder head assembly from Japan.

Legal notes

Additional notes

1. For the purposes of subheadings 840710 and 840910, the expression ‘aircraft engines’ shall apply only to engines designed for fitting with an airscrew or rotor.

2. Subheading 84717030 shall also apply to CD-ROM drives, being storage units for automatic data-processing machines, which consist of drive units designed for retrieving the signals from CD-ROMs, audio CDs and photo CDs and equipped with a jack for earphones, a volume-control button or a start/stop button.

Chapter notes: Chapter 84 →

In the Harmonized Tariff Schedule of the United States, 8407.34.18 is one of 8 lines under subheading 8407.34, of a cylinder capacity exceeding 1000 cm3.

The general duty is 2.5%, and quantities are declared in p/st.

For the same subheading, the UK duty is 4%, the EU duty is 2.7%–4.2%, the Türkiye duty is 2.7%–4.2%, the Canada duty is free, the Mexico duty is free, the Brazil duty is 16.2%–18%, the Argentina duty is 18%, the Peru duty is free, the New Zealand duty is 0%–5%, the Japan duty is free, the Taiwan duty is 11.5%–17.5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 10%–15% and the Nigeria duty is 10%.

The United States imported goods of subheading 8407.34 worth US$9bn in 2024; the largest supplier was Mexico, and the United Kingdom ranked 6th with US$495m.

Questions and answers

What is the USA import duty for HTS code 8407.34.18?

The general duty in the Harmonized Tariff Schedule of the United States is 2.5%; 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 8407.34.18 under US trade agreements?

Yes. The Special column reads “Free (A, AU,B, BH, 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 8407.34 as a whole, the largest supplier in 2024 was Mexico (US$4bn), followed by Canada.

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