Subheading · Chapter 84 · Heading 8483

8483.90: Toothed wheels, chain sprockets and other transmission elements presented separately; parts

Gears, sprockets and transmission parts

8483.90 is the HS subheading for gears, sprockets and transmission parts, under heading 8483 in chapter 84.

Importing into Country of origin

What you pay

Importing into UK

Customs duty Free standard rate · across 9 national lines depends on the country of origin

Additional duties and charges 3 additional measures Import requirements: 3

VAT 20.00 % import VAT

Duty calculatorCalculate duty and taxes →

Rates by national line · UK Global Tariff

UK lines →

8483 90 00 00 Toothed wheels, chain sprockets and other transmission elements presented separately; parts
8483 90 20 00 Parts of bearing housings
8483 90 20 10 For use in civil aircraft Free
8483 90 20 90 Other Free
Other
8483 90 81 00 Of cast iron or cast steel
8483 90 81 10 For use in civil aircraft Free
8483 90 81 90 Other Free
8483 90 89 00 Other
8483 90 89 10 For use in civil aircraft Free
8483 90 89 20 Sprocket for continuous variable valve timing to optimize the process of filling the cylinders of an internal combustion engine with: -case, -rotor, -at least 4 screws, -spring, -of an external diameter of 80 mm or more but not exceeding 95 mm, -of a thickness of 25 mm or more but not more than 35 mm, for use in the manufacture of engines of motor vehicles Free
8483 90 89 30 Forged steel sprockets with external toothing, whether or not with internal splines in a diametral pitch standard, with: -a diameter of 400 mm or more, but not more than 630 mm, -7 teeth or more, but not more than 15 teeth, -a tooth core hardness of 28 hrc or more, but not more than 45 hrc, -a tooth surface hardness of 50 hrc or more, but not more than 60 hrc, -whether or not, a spline hardness of 30 hrc or more, but not more than 45 hrc, -an effective carburised case depth of 4 mm or more, but not more than 5 mm Free
8483 90 89 40 Steel alloy gear wheels with straight teeth and involute profile, with: -external and/or internal toothing in a diametral pitch standard, -a diameter of 35 mm or more, but not more than 600 mm, -13 teeth or more, but not more than 80 teeth, -a tooth core hardness of 28 hrc or more, but not more than 45 hrc, -a tooth surface hardness of 50 hrc or more, but not more than 65 hrc, -an effective carburised case depth of 1.00 mm or more, but not more than 3.1 mm, -a spline hardness of 27 hrc or more, but not more than 62 hrc, -whether or not in combination with a shaft with a spline hardness of 27 hrc or more, but not more than 62 hrc Free
8483 90 89 90 Other Free

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 3

Additional dutyAdditional duties 35%
Applies to goods from
Belarus, Russia

Legal act
2022 No. 376
Documents
- 9008
Duty suspensionAirworthiness tariff suspension Free
Applies to goods from
all countries

Legal act
S.I. 2018/1249
Documents
- C119 Authorised Release Certificate — EASA Form 1 (Appendix I to Annex I to Regulation (EU) No 748/2012), or equivalent certificate
Duty suspensionSuspension - goods for certain categories of ships, boats and other vessels and for drilling or production platforms Free
Applies to goods from
all countries

Legal act
2020 No. 1431
Documents
- C990 End use authorisation ships and platforms (Column 8c, Annex A of Delegated Regulation (EU) 2015/2446)
Tariff lines
on 6 of 9 lines

Import requirements 3

Prohibition or restrictionImport prohibition

Applies to goods from
North Korea

Legal act
S.I. 2019/411
Import controlRestriction on entry into free circulation
Applies to goods from
Russia, Ukraine

Legal act
2023 No. 440, S.I. 2022/395
Documents
- 9011
- 9022
- 9038
- 9009
- 9010
- 9017
Import controlImport control on luxury goods
Applies to goods from
North Korea

Legal act
S.I. 2019/411
Documents
- Y945 Travellers' personal effects or goods of a non-commercial nature for travellers' personal use contained in their luggage (Art 10.2 of Regulation (EU) 2017/1509)
- Y946 Goods necessary for the official purposes of diplomatic or consular missions of Member States in the DPRK or international organisations enjoying immunities in accordance with international law, or to the personal effects of their staff (Art 10.3 of Regulation (EU) 2017/1509)
- Y948 Goods other than those described in Annex VIII (Luxury goods) of Reg. (EU) 2017/1509

Preferential rates by country

Agreement or scheme	Countries	Rate
standard rate (no agreement)	—	Free
DCTS Comprehensive	Afghanistan, Angola, Bangladesh, Benin and 38 more Afghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia	Free
European Union (including code "EU")	Austria, Belgium, Bulgaria, Croatia and 23 more 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	Free
DCTS Enhanced	Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 more Algeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu	Free
CARIFORUM	Antigua & Barbuda, Bahamas, Barbados, Belize and 10 more Antigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago	Free
OCTs (Overseas Countries and Territories)	Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 more Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands	Free
Central America	Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama	Free
SADC EPA	Botswana, Eswatini, Lesotho, Mozambique, Namibia	Free
Eastern and Southern Africa States	Madagascar, Mauritius, Seychelles, Zimbabwe	Free
CPTPP	Brunei, Malaysia	Free
UK–Andorra agreement	Andorra	Free
UK–Albania agreement	Albania	Free
UK–Australia agreement	Australia	Free
UK–Canada agreement	Canada	Free
UK–Switzerland agreement	Switzerland	Free
UK–Côte d’Ivoire agreement	Côte d’Ivoire	Free
UK–Chile agreement	Chile	Free
UK–Cameroon agreement	Cameroon	Free
UK–Colombia agreement	Colombia	Free
UK–Ceuta & Melilla agreement	Ceuta & Melilla	Free
UK–Ecuador agreement	Ecuador	Free
UK–Egypt agreement	Egypt	Free
UK–Fiji agreement	Fiji	Free
UK–Faroe Islands agreement	Faroe Islands	Free
UK–Georgia agreement	Georgia	Free
UK–Ghana agreement	Ghana	Free
DCTS Standard	Indonesia	Free
UK–Israel agreement	Israel	Free
UK–India agreement	India	Free
UK–Iceland agreement	Iceland	Free
UK–Jordan agreement	Jordan	Free
UK–Japan agreement	Japan	Free
UK–Kenya agreement	Kenya	Free
UK–South Korea agreement	South Korea	Free
UK–Lebanon agreement	Lebanon	Free
UK–Liechtenstein agreement	Liechtenstein	Free
UK–Morocco agreement	Morocco	Free
UK–Moldova agreement	Moldova	Free
UK–North Macedonia agreement	North Macedonia	Free
UK–Mexico agreement	Mexico	Free
UK–Norway agreement	Norway	Free
UK–New Zealand agreement	New Zealand	Free
UK–Peru agreement	Peru	Free
UK–Papua New Guinea agreement	Papua New Guinea	Free
UK–Palestinian Territories agreement	Palestinian Territories	Free
UK–Serbia agreement	Serbia	Free
UK–Solomon Islands agreement	Solomon Islands	Free
UK–Singapore agreement	Singapore	Free
UK–San Marino agreement	San Marino	Free
UK–Tunisia agreement	Tunisia	Free
UK–Türkiye agreement	Türkiye	Free
UK–Ukraine agreement	Ukraine	Free
UK–Vietnam agreement	Vietnam	Free
UK–Samoa agreement	Samoa	Free
UK–Kosovo agreement	Kosovo	Free
UK–South Africa agreement	South Africa	Free

UK: imports by month

last 12 months£334.8m+6.6% · previous 12 months

Average import price£11.40 per kg

Data up to August 2026 (provisional) · Monthly data: Eurostat Comext (CC BY 4.0), HMRC (OGL v3.0)

Main suppliers, last 12 months

Country	Value	Share	Change
Germany	£54.7m	16.3%	+8.5%
China	£48.9m	14.6%	+10.6%
United States	£45.5m	13.6%	-1.1%
Italy	£30.6m	9.1%	+20.5%
France	£26.3m	7.8%	-0.5%
Poland	£17.6m	5.2%	-13.6%
India	£15.8m	4.7%	+7%
Belgium	£10.9m	3.2%	+21.1%

Same subheading in other tariffs

EU 2.7% – 5.7% Third-country duty 3 tariff lines · average 3.7%

Türkiye Free – 5.7% Third-country duty 8 tariff lines · average 2.1%

USA 2.5% – 5.5% General (MFN) 6 tariff lines · average 3.8%

World trade in 2024

8483.90 · US$15bn

Trade value (US$) no reported trade < US$122kUS$122k+US$4m+US$156m+> US$516m

Exports: 194

Germany: US$3bn
China: US$3bn
United States: US$2bn
Japan: US$914m
Italy: US$855m
France: US$516m
India: US$413m
South Korea: US$363m
Mexico: US$352m
Canada: US$323m
Poland: US$322m
Taiwan: US$287m
Austria: US$269m
Switzerland: US$241m
Slovakia: US$200m
Czechia: US$194m
United Kingdom: US$184m
Belgium: US$178m
Spain: US$166m
Romania: US$156m
Netherlands: US$140m
Türkiye: US$135m
Hungary: US$130m
Sweden: US$116m
Thailand: US$110m
Vietnam: US$84m
Singapore: US$81m
Brazil: US$72m
Finland: US$71m
Denmark: US$62m
Slovenia: US$61m
Indonesia: US$53m
Malaysia: US$38m
South Africa: US$36m
Australia: US$33m
Norway: US$29m
Philippines: US$18m
Russia: US$15m
Serbia: US$14m
Bulgaria: US$12m
Croatia: US$11m
Kuwait: US$9m
Bosnia & Herzegovina: US$8m
Kazakhstan: US$8m
Portugal: US$7m
Ukraine: US$7m
Hong Kong SAR China: US$6m
Egypt: US$4m
Peru: US$4m
Lithuania: US$4m
Israel: US$4m
Luxembourg: US$4m
New Zealand: US$4m
Ireland: US$3m
United Arab Emirates: US$3m
Argentina: US$3m
Greece: US$2m
Saudi Arabia: US$2m
Colombia: US$2m
Latvia: US$2m

Top exporters

Rank	Country	Value	Share
1	Germany	US$3bn	20.7%
2	China	US$3bn	18.9%
3	United States	US$2bn	11.5%
4	Japan	US$914m	6.1%
5	Italy	US$855m	5.7%
6	France	US$516m	3.4%
7	India	US$413m	2.7%
8	South Korea	US$363m	2.4%
9	Mexico	US$352m	2.3%
10	Canada	US$323m	2.1%

Top importers

Rank	Country	Value	Share
1	United States	US$3bn	16.9%
2	Germany	US$2bn	10.6%
3	China	US$1bn	9.3%
4	Canada	US$676m	4.5%
5	Mexico	US$633m	4.2%
6	Poland	US$534m	3.5%
7	India	US$430m	2.9%
8	Italy	US$415m	2.8%
9	United Kingdom	US$405m	2.7%
10	France	US$400m	2.7%

Binding rulings for similar goods 25

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.

N362846 U.S. CBP 30 July 2026 · 8483.90.30.00

The tariff classification of anti-friction sleeves from China
N360242 U.S. CBP 24 April 2026 · 8483.90.50.80

The tariff classification of an output carrier assembly from Mexico and a gear from Canada
N360085 U.S. CBP 20 April 2026 · 8483.90.50.80

The tariff classification of a worm wheel from Mexico
N359979 U.S. CBP 17 April 2026 · 8483.90.80.40

The tariff classification of a yoke from South Korea
N357169 U.S. CBP 14 January 2026 · 8483.90.80.10

The tariff classification of parts of a CV Joint Assembly from South Korea
N355513 U.S. CBP 13 November 2025 · 8483.90.50.80

The tariff classification of gear units from Japan
600016099 HMRC 22 October 2026 – 21 October 2029 · 8483 90 89 90

A flexible disc pack, imported separately for incorporation into a traction-motor flexible drive coupling used on a locomotive. The disc pack consists of multiple thin sheets of non-cast stainless steel layered together. It transfers torque from the traction motor through the flexible drive…
600016732 HMRC 8 September 2026 – 7 September 2029 · 8483 90 89 90

Brackets or plates as they are sometimes called, are parts which contribute to the full assembly of a pulley bearing. These parts are made from JIS SPHC steel plate. These are the plates or brackets on which the bearing is mounted and secured on to in the vehicle. They have specific holes and…
600015869 HMRC 25 August 2026 – 24 August 2029 · 8483 90 89 90

Brackets or plates as they are sometimes called, are parts which contribute to the full assembly of a pulley bearing. These parts are made from JIS SPHC steel plate. These are the plates or brackets on which the bearing is mounted and secured on to in the vehicle. They have specific holes and…
600011791 HMRC 19 November 2024 – 18 November 2027 · 8483 90 89 90

A Torsional Viscous Vibration Damper which consists of an inertia ring freely supported and located by bearings inside a sealed housing. The clearance between the inertia ring and casing is filled with a measured amount of highly viscous silicone fluid. The damping is provided by the shearing…
600010571 HMRC 12 June 2024 – 11 June 2027 · 8483 90 81 90

A slewing ring bearing consists of 2 machined or profiled rings separated by a set of rolling elements (balls or rollers, singular or plural) and as such can handle a combination of axial, radial and moment loads. The rings provide bolt holes for mounting and can also offer an integral gear for…

25 rulings in total for this code

The UK Global Tariff divides subheading 8483.90 into 9 tariff lines; the duty is duty-free.

In the EU Combined Nomenclature, subheading 8483.90 covers 3 tariff lines and the duty is between 2.7% and 5.7%.

174 countries pay no duty in the UK thanks to trade agreements and preference schemes such as DCTS Comprehensive and European Union, against a standard rate of Free.

In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.

Imports of gears, sprockets and transmission parts into the UK came to £334.8m between September 2025 and August 2026 (up 7% on the year before); Germany supplied 16%, followed by China.

In 2024, countries exported gears, sprockets and transmission parts worth US$15bn (−1.2% year on year).

The largest exporter was Germany (US$3bn), followed by China.

Products classified here

Questions and answers

What is the HS code for toothed wheels, chain sprockets and other transmission elements presented separately; parts?

Toothed wheels, chain sprockets and other transmission elements presented separately; parts fall under HS subheading 8483.90, part of heading 8483, in section XVI of the Harmonized System.

What is the import duty on toothed wheels, chain sprockets and other… in the UK?

Under the UK Global Tariff, imports under 8483.90 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.

What is the import duty on toothed wheels, chain sprockets and other… in the EU?

Under the EU Combined Nomenclature, imports under 8483.90 from countries without a preferential agreement are charged at 2.7% to 5.7%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.

Which country exports the most toothed wheels, chain sprockets and other…?

Germany, with US$3bn in 2024 (20.7% of world exports).

Which countries can export gears, sprockets and transmission parts to the UK duty-free?

174 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, DCTS Enhanced. The goods must meet the agreement’s rules of origin and the importer needs proof of origin; otherwise the standard rate of Free applies. Pick a country above to see its rate.

Is there anti-dumping duty on gears, sprockets and transmission parts?

The UK charges additional duty of 35% on goods from Belarus and Russia. Lower rates apply to the named exporters listed in the measure.

Where does the UK import gears, sprockets and transmission parts from?

In the 12 months to August 2026, the largest suppliers were Germany (16%), China (15%) and United States (14%), out of total imports of £334.8m.