Hong Kong, China Special Administrative Region HS Code

HS Code 84091000: PARTS FOR SPARK-IGNITION OR ROTARY INTERNAL COMBUSTION PISTON ENGINES OR COMPRESSION-IGNITION INTERNAL COMBUSTION PISTON ENGINES, FOR AIRCRAFT in Hong Kong, China Special Administrative Region

Q: Is HS code 84091000 the same across all countries?

Only the first 6 digits of HS code 84091000 are internationally harmonized. The remaining digits are added by Hong Kong, China Special Administrative Region under HKHS and are not directly comparable to other countries' codes.

Q: What system does Hong Kong, China Special Administrative Region use to classify HS code 84091000?

Hong Kong, China Special Administrative Region classifies products under the Hong Kong Harmonized System (HKHS; locally 香港協調制度), which extends HS codes to 8 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 84091000 in Hong Kong, China Special Administrative Region?

The official source is https://www.customs.gov.hk/en/home/index.html. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 84091000 in Hong Kong, China Special Administrative Region

Under Hong Kong, China Special Administrative Region's Hong Kong Harmonized System (香港協調制度), HS Code 84091000 is classified as PARTS FOR SPARK-IGNITION OR ROTARY INTERNAL COMBUSTION PISTON ENGINES OR COMPRESSION-IGNITION INTERNAL COMBUSTION PISTON ENGINES, FOR AIRCRAFT. Hong Kong, China Special Administrative Region's tariff system extends the WCO Harmonized System to 8 digits with national subdivisions. 84091000 belongs to Section XVI: Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles, Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof, Heading 8409: Parts suitable for use solely or principally with the engines of heading 8407 or 8408.

Explore more 2026 Latest Hong Kong, China Special Administrative Region import export trade data and shipment records for HS Code Aircraft Engine Parts on TradeInt global trade data platform

Classification Path of HS Code 84091000 in Hong Kong, China Special Administrative Region

Section XVI

Chapters (84-85) Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles

Chapter 84

Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

HS Code 8409

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

HS Code 84091000

PARTS FOR SPARK-IGNITION OR ROTARY INTERNAL COMBUSTION PISTON ENGINES OR COMPRESSION-IGNITION INTERNAL COMBUSTION PISTON ENGINES, FOR AIRCRAFT 供航空器點燃式或旋轉式活塞引擎或壓燃式活塞內燃引擎用的零件

Hong Kong, China Special Administrative Region Tariff Classification: Hong Kong Harmonized System (HKHS)

In Hong Kong, China Special Administrative Region, HS 84091000 is classified under the Hong Kong Harmonized System (香港協調制度) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Hong Kong Harmonized System (HKHS)

Local name 香港協調制度

Digits 8

Official source https://www.customs.gov.hk/en/home/index.html

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Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

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Top Trading Product of HS Code 8409

Top Hong Kong, China Special Administrative Region import Product Under HS Code 8409

1 840999: Other : Other $100.4M 2 840991: Other : Suitable for use solely or principally with sparkignition internal combustion piston engines $66.6M 3 840910: For aircraft engines $11.2M

Figures shown for 2025.

For more 2026 recent data, search for Hong Kong, China Special Administrative Region import trade records

Top Hong Kong, China Special Administrative Region export Product Under HS Code 8409

1 840991: Other : Suitable for use solely or principally with sparkignition internal combustion piston engines $93.7M 2 840999: Other : Other $62.8M 3 840910: For aircraft engines $5.4M

Figures shown for 2025.

For more 2026 recent data, search for Hong Kong, China Special Administrative Region export trade records

Related HS Code to Hong Kong, China Special Administrative Region Aircraft Engine Parts (84091000)

HS Code 840991

Other : Suitable for use solely or principally with sparkignition internal combustion piston engines

HS Code 840999

Other : Other

HS Code 840110

Nuclear reactors (Euratom)

HS Code 840120

Machinery and apparatus for isotopic separation, and parts thereof (Euratom)

HS Code 840130

Fuel elements (cartridges), nonirradiated (Euratom)

HS Code 840140

Parts of nuclear reactors (Euratom)

HS Code 840211

Steam or other vapour generating boilers : Watertube boilers with a steam production exceeding 45 tonnes per hour

HS Code 840212

Steam or other vapour generating boilers : Watertube boilers with a steam production not exceeding 45 tonnes per hour

HS Code 840219

Steam or other vapour generating boilers : Other vapour generating boilers, including hybrid boilers

HS Code 840220

Superheated water boilers

84091000 in Other Countries

See how 84091000 (Aircraft Engine Parts) is classified across other countries, each with its own national code and local description.

Compare 84091000 across countries

Frequently Asked Questions

What is HS code 84091000 in Hong Kong, China Special Administrative Region?

HS code 84091000 covers PARTS FOR SPARK-IGNITION OR ROTARY INTERNAL COMBUSTION PISTON ENGINES OR COMPRESSION-IGNITION INTERNAL COMBUSTION PISTON ENGINES, FOR AIRCRAFT in Hong Kong, China Special Administrative Region. It sits in Chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof), Heading 8409 of the Harmonized System, and is classified under HKHS.

Is HS code 84091000 the same across all countries?

What system does Hong Kong, China Special Administrative Region use to classify HS code 84091000?

Where can I officially look up HS code 84091000 in Hong Kong, China Special Administrative Region?