Hong Kong, China Special Administrative Region HS Code

HS Code 840991: Other : Suitable for use solely or principally with sparkignition internal combustion piston engines in Hong Kong, China Special Administrative Region

Q: Is HS code 840991 the same across all countries?

Yes — up to the 6-digit level, HS code 840991 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Hong Kong, China Special Administrative Region extends it under HKHS.

Q: What system does Hong Kong, China Special Administrative Region use to classify HS code 840991?

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 840991 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 840991 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 840991 is the WCO Harmonized System subheading for Other : Suitable for use solely or principally with sparkignition internal combustion piston engines. This is the most detailed internationally standardized level; Hong Kong, China Special Administrative Region extends classifications to 8 digits under its national tariff system. 840991 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 Spark Ignition Engine Parts on TradeInt global trade data platform

Classification Path of HS Code 840991 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 840991

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

HS Code 84099100

PARTS FOR USE WITH SPARK-IGNITION INTERNAL COMBUSTION PISTON ENGINES (INCLUDING ROTARY ENGINES), NESOI 用於點燃式活塞內燃引擎（包括旋轉式引擎）的零件，未列明或未包括在其他編號

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

In Hong Kong, China Special Administrative Region, HS 840991 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

You know what 840991 means. Now see 2026 latest real trade activity for Spark Ignition Engine Parts in Hong Kong, China Special Administrative Region.

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 Spark Ignition Engine Parts (840991)

HS Code 84099100

PARTS FOR USE WITH SPARK-IGNITION INTERNAL COMBUSTION PISTON ENGINES (INCLUDING ROTARY ENGINES), NESOI

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

Frequently Asked Questions

What is HS code 840991 in Hong Kong, China Special Administrative Region?

HS code 840991 covers Other : Suitable for use solely or principally with sparkignition internal combustion piston engines 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 840991 the same across all countries?

What system does Hong Kong, China Special Administrative Region use to classify HS code 840991?

Where can I officially look up HS code 840991 in Hong Kong, China Special Administrative Region?