HS code · 6-digit subheading
HS Code 8503.00 – Electric motors and generators; parts suitable for use solely or principally with the machines of heading no. 8501 or 8502
HS code 8503.00 is the 6-digit subheading for electric motors and generators, parts suitable for use solely or principally with the machines of heading no. 8501 or 8502. It is used for stators for electric motors, rotors for generators, armatures for DC motors, commutators and motor housings.
What HS 8503.00 covers
This broad HS code covers essential components for electric motors and generators, which are the backbone of countless industries globally. It includes stators, rotors, armatures, commutators, and other specialized parts designed exclusively for the machines of headings 8501 (electric motors and generators) and 8502 (electric generating sets and rotary converters). International trade in these parts is massive, driven by global manufacturing supply chains for everything from automotive components to industrial machinery and consumer electronics. Major importers are countries with large assembly operations or repair and maintenance industries, such as China, Mexico, and Germany. Exporters typically include nations with advanced manufacturing capabilities and specialized component production, like Japan, South Korea, and the USA. Key considerations in this trade involve precision engineering, material quality, and compatibility with specific motor/generator models. The market is highly competitive, with a strong emphasis on cost-efficiency and adherence to international standards.
- Covers
- Stators for electric motors
- Rotors for generators
- Armatures for DC motors
- Commutators
- Motor housings
- Generator shafts
- Brush holders
- Field windings
- Examples
- Siemens motor parts
- ABB generator components
- GE motor and generator parts
- Bosch motor armatures
- Nidec motor stators
Codes often confused with 8503.00
Common mistake. Parts for other electrical apparatus might be incorrectly classified here; however, this code is strictly for parts "solely or principally" used with machines of 8501 or 8502. Complete motors or generators themselves fall under 8501 or 8502, not 850300.
Top exporters and importers of HS code 850300, 2025
In 2025, the largest exporter of HS code 850300 in UN Comtrade data was China, with 32% of world exports; the largest importer in UN Comtrade data was the United States, with 17% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Top exporters 2025 · share of world exports
- 1 China $8.6B 32% of world exports
- 2 Germany $1.9B 7.1% of world exports
- 3 Japan $1.8B 6.7% of world exports
World total: $27.2B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $4.3B 17% of world imports
- 2 Germany $3.4B 13% of world imports
- 3 India $1.2B 4.7% of world imports
World total: $25.5B Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM codes for 8503.00 2
Brazil splits HS 8503.00 into 2 NCM codes, Mercosur's 8-digit tariff lines.
- 8503.00.10 Parts of universal, low-power DC, 1-phase motorsDe motores ou geradores das subposições 8501.10, 8501.20, 8501.31, 8501.32 ou do item 8501.40.1
- 8503.00.90 Other motor, generator, genset and converter partsOutras
All Brazil NCM codes in heading 85.03 →
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.
Questions about HS 8503.00
What is HS code 850300?
HS code 850300 is a 6-digit subheading in the Harmonized System that covers: Electric motors and generators; parts suitable for use solely or principally with the machines of heading no. 8501 or 8502. This broad HS code covers essential components for electric motors and generators, which are the backbone of countless industries globally. It includes stators, rotors, armatures, commutators, and other specialized parts designed exclusively for the machines of headings 8501 (electric motors and generators) and 8502 (electric generating sets and rotary converters). International trade in these parts is massive, driven by global manufacturing supply chains for everything from automotive components to industrial machinery and consumer electronics. Major importers are countries with large assembly operations or repair and maintenance industries, such as China, Mexico, and Germany. Exporters typically include nations with advanced manufacturing capabilities and specialized component production, like Japan, South Korea, and the USA. Key considerations in this trade involve precision engineering, material quality, and compatibility with specific motor/generator models. The market is highly competitive, with a strong emphasis on cost-efficiency and adherence to international standards.
What products fall under HS code 850300?
Stators for electric motors, Rotors for generators, Armatures for DC motors, Commutators, Motor housings, Generator shafts, Brush holders, Field windings
What are common misclassifications for HS code 850300?
Parts for other electrical apparatus might be incorrectly classified here; however, this code is strictly for parts "solely or principally" used with machines of 8501 or 8502. Complete motors or generators themselves fall under 8501 or 8502, not 850300.
Which countries are the top exporters of goods under HS code 850300?
In 2025, the top exporters of HS code 850300 in UN Comtrade data were China ($8.6B, 32% of world exports), Germany ($1.9B) and Japan ($1.8B). World exports came to about $27.2B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of goods under HS code 850300?
In 2025, the top importers of HS code 850300 in UN Comtrade data were the United States ($4.3B, 17% of world imports), Germany ($3.4B) and India ($1.2B). World imports came to about $25.5B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
How is HS code 850300 structured?
HS code 850300 is a 6-digit subheading under the Harmonized System. The first 2 digits (85) identify the chapter, digits 3-4 (03) identify the heading, and digits 5-6 (00) specify the subheading. This code is standardized globally by the World Customs Organization.
What is the Brazil NCM code for HS code 850300?
Brazil splits HS code 850300 into 2 NCM codes: 8503.00.10 (Parts of universal, low-power DC, 1-phase motors), 8503.00.90 (Other motor, generator, genset and converter parts). The first 6 digits of each match the HS code.