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Code 8409 99 · Heading 8409

Other parts solely or mainly for compression-ignition piston engines

This covers parts solely or mainly intended for piston engines with compression ignition, when the parts are not specified elsewhere. It does not cover the separately named parts for spark-ignition piston engines or parts for engines used in aircraft.

See the official tariff text

Official tariff text

Parts suitable for use solely or principally with compression-ignition internal combustion piston engine "diesel or semi-diesel engine", n.e.s.

How we got to this code

  1. XVI
  2. 84
  3. 8409
  4. 8409 99
Show the steps

Pick the 8-digit code

Import duty on the codes below: 2.7%

Only one code below

8409 99 00

Parts suitable for use solely or principally with compression-ignition internal combustion piston engine "diesel or semi-diesel engine", n.e.s.

2.7%

This subheading has one 8-digit code, so that is the code to use.

Open 8409 99 00 Save

This is the catch-all under 8409: it covers what the sibling codes below do not.

Within the parent group of parts for combustion engines, this is where parts for compression-ignition piston engines go when they are not parts for spark-ignition piston engines or parts for engines used in aircraft.

Compare the sibling codes

See all 3 codes at this level

Selling to Norway, Great Britain and the United States

What they charge on arrival.

Norway, Great Britain and the United States use their own tariff lines under the 6-digit HS code. The rates below are what their customs charge on goods arriving from the EU. Match the goods against each country's own wording before you rely on a rate.

Norway

Duty free

  • Their lines2 Norwegian lines

84.09.9901 Cylinder blocks for marine propulsion engines

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

2.0%

  • Their lines6 British lines
  • EU originDuty free

8409 99 00 10 Injectors with solenoid valve for optimised atomisation in the engine combustion chamber

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

From 10.0% to 15.0%

Estimated from published US measures

  • Their lines9 US lines
  • Entry dateSept. 17, 2026

8409.99.10.40 Parts suitable for use solely or principally with the engines of heading 8407 or 8408

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 2 Norwegian lines

Selling to Norway

Norway splits the 6-digit category its own way, so these are Norway's own lines under it, not this EU code. Check your product against their wording; what Norwegian customs charges is shown per line.

  • 84.09.9901

    Cylinder blocks for marine propulsion engines

    Ordinary duty
    Duty free

  • 84.09.9909

    Other

    Ordinary duty
    Duty free

Norwegian tariff data version 1.5/1.2, last checked Sept. 13, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

See the 6 British lines

Selling to Great Britain

What UK customs charges when goods like these arrive in Great Britain.

  • All 6 UK lines under this code

    They all have the same duty rates shown here.

    Ordinary duty
    2.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1599, last checked Sept. 13, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

See the 9 US lines

Selling to the United States

What US customs charges when goods like these arrive from the EU. The US importer of record files the entry and pays the duty.

  • 8409.99.10.40

    Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery, For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704

    General rate
    Free
    From the EU
    15.0% Estimated from published US measures US headings applied: 9903.94.53 Section 232 passenger vehicles and light trucks, Proclamation 10908 as applied to the European Union by the notice at 90 FR 46136 of 25 September 2025 (retroactive to 1 August 2025), headings 9903.94.52 and 9903.94.53 of subchapter III of chapter 99 with U.S. note 33(o) with the line list of subdivision (g): 15% all-in on parts of passenger vehicles and light trucks of the European Union

  • 8409.99.10.60

    Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery, For marine propulsion engines

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8409.99.10.80

    Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery, Other

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8409.99.91.10

    Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704, Connecting rods

    General rate
    2.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8409.99.91.90

    Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704, Other

    General rate
    2.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8409.99.92.10

    Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, For marine propulsion engines, Connecting rods

    General rate
    2.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8409.99.92.90

    Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, For marine propulsion engines, Other

    General rate
    2.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8409.99.99.10

    Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other, Connecting rods

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
Show all 9 lines

  • 8409.99.99.90

    Parts suitable for use solely or principally with the engines of heading 8407 or 8408, Other

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

Worked out for an entry on Sept. 17, 2026.

US tariff schedule 2026HTSRev19, last checked Sept. 16, 2026.

Last change we recorded: Revision 19 (2026), Sept. 16, 2026.

Anti-dumping and countervailing duties, US import taxes and customs fees are not included.

The descriptions above are the US tariff texts, which the United States publishes in English only.

Source: the US International Trade Commission's Harmonized Tariff Schedule (hts.usitc.gov), public domain, and the measures published in the Federal Register.

This is a planning estimate from the US Harmonized Tariff Schedule (revision shown) and the published Federal Register measures as of the date shown, for a shipment of EU origin. It is not a customs entry, legal advice or a broker's opinion, and tariffs.help is not a US-licensed customs broker. The US importer of record or their broker confirms the classification, origin, value and the duty due before filing.

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with Toldstyrelsen, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.