Code 8421 23 · Heading 8421

Oil and petrol filters for combustion engines

This code covers oil filters and petrol filters made for use with combustion engines. The filter must be for oil or petrol, rather than air, exhaust gas, water, another beverage or another liquid.

See the official tariff text

Official tariff text

Oil or petrol-filters for internal combustion engines

How we got to this code

XVI
84
8421
8421 23

Show the steps

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section XVI Machinery and mechanical appliances; electrical equ…
Is the product a machine, apparatus or mechanical tool, or is it electrical equipment, a sound recorder or player, or a television image and sound recorder or player?
✓
Step 2 · Chapter 84 Nuclear reactors, boilers, machinery and mechanical… 1 of 2 chapters in section XVI
What is the machine, appliance or part specifically designed to do?
✓
Step 3 · Heading 8421 Centrifuges, incl. centrifugal dryers (excl. those … 21 of 86 headings under chapter 84
Is the item a centrifuge, a machine or apparatus for filtering or purifying liquids or gases, or a part for one of these products—and, if it is a centrifuge or filter, is it for a specific use named below?
✓
Step 4 · Subheading 8421 23 Oil or petrol-filters for internal combustion engin… 6 of 12 subheadings under heading 8421
Is it a centrifuge; a machine or apparatus for filtering or purifying water, beverages, another liquid, oil or petrol for a combustion engine, or a gas; a part for a centrifuge or for a liquid- or gas-filtering machine or apparatus; an air filter for a combustion engine; or a catalyst or particulate filter for cleaning or filtering combustion-engine exhaust gas?

Pick the 8-digit code

Import duty on the codes below: 1.7%

Only one code below

8421 23 00

Oil or petrol-filters for internal combustion engines

1.7%

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

Open 8421 23 00 Save

Compare the sibling codes

See all 12 codes at this level

Classification decides the rate here: from 0.0% to 2.7%.

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 lines1 Norwegian line

84.21.2300 Oil or petrol-filters for internal combustion engines

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

Duty free

Their lines2 British lines

8421 23 00 10 For use in civil aircraft

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

15.0%

Estimated from published US measures

Their lines1 US line
Entry dateSept. 17, 2026

8421.23.00.00 Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 1 Norwegian line

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.

84.21.2300

Oil or petrol-filters for internal combustion engines

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 2 British lines

Selling to Great Britain

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

All 2 UK lines under this code

They all have the same duty rates shown here.

Ordinary duty

Duty free

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 1 US line

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.

8421.23.00.00

Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof, Filtering or purifying machinery and apparatus for liquids, Oil or fuel filters for internal combustion engines

General rate

2.5%

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

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.