Product classification
HS code for Water meter impellers: 9028.90
Meters, parts and accessories of gas, liquid, electricity supply or production meters, including calibrating meters thereof.
Classification of water meter impellers under HS 9028.90
Water meter impellers are classified under HS code 902890, which is designated for parts and accessories of gas, liquid, or electricity supply or production meters. The classification logic follows Note 2(b) to Chapter 90, which states that parts and accessories, if suitable for use solely or principally with a particular kind of machine, instrument, or apparatus, are to be classified with those machines. Since an impeller is a critical internal component designed specifically to rotate in response to water flow within a meter, it is classified as a part of the liquid meter (heading 9028). The impeller's rotation is proportional to the volume of water passing through the device, allowing for accurate measurement. These components are often made of specialized plastics, brass, or stainless steel to resist corrosion and wear over long periods of submerged operation. The classification applies regardless of the material composition, provided the item is identifiable as a part of a water meter. This excludes general-purpose bearings or screws which might be used in the assembly but are classified elsewhere according to their own specific headings.
- Covers
- Plastic turbine impellers for domestic water meters
- Brass multi-jet meter impellers
- Magnetic drive impellers for sealed registers
- Vane wheels for Woltman-type meters
- Replacement impeller kits for industrial flow meters
- Balanced rotors for high-precision liquid meters
- Also under 9028.90
- Itron meter modules
- Landis+Gyr meter covers
- Siemens meter communication cards
- Elster meter displays
- Honeywell meter sensors
Codes often confused with 9028.90
Common mistake. A frequent misclassification occurs under HS code 841391, which covers parts of pumps for liquids. While impellers are used in pumps, a water meter impeller is a measuring component, not a fluid-moving component, placing it in Chapter 90 rather than Chapter 84. Additionally, some importers mistakenly use 392690 for plastic impellers, but Note 2(b) to Chapter 90 takes precedence over general plastic article headings when the part is clearly identifiable for use with a measuring instrument.
Top exporters and importers of HS 902890 (the code used for water meter impellers), 2025
In 2025, the largest exporter of HS 902890 (the code used for water meter impellers) in UN Comtrade data was China, with 22% of world exports; the largest importer in UN Comtrade data was the United States, with 27% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 902890, not only water meter impellers.
Top exporters 2025 · share of world exports
- 1 China $724M 22% of world exports
- 2 Mexico $647M 20% of world exports
- 3 Vietnam* ~$460M 14% of world exports · partner records ↗
World total: $3.3B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $896M 27% of world imports
- 2 Mexico $465M 14% of world imports
- 3 Germany $206M 6.2% of world imports
World total: $3.3B 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 marked * did not, so their figures add up what other countries recorded trading with them, and their exports are valued at buyers' CIF prices. 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 water meter impellers
Brazil splits HS 9028.90 into 2 NCM codes. Pick the one that matches your product:
- 9028.90.10Parts and accessories of electricity meters
- 9028.90.90Parts and accessories of gas or liquid meters
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about water meter impellers
What is the HS code for Water meter impellers?
The HS code for Water meter impellers is 902890 (Meters; parts and accessories of gas, liquid, electricity supply or production meters, including calibrating meters thereof). The HS code for water meter impellers is 902890, as they are considered essential parts of liquid supply or production meters.
How do I classify Water meter impellers for customs?
Water meter impellers is classified under HS code 902890 — Meters; parts and accessories of gas, liquid, electricity supply or production meters, including calibrating meters thereof. This is a 6-digit subheading level code.
Are plastic and metal impellers classified differently?
No, the material does not change the classification. As long as the impeller is a dedicated part for a water meter, it remains under 902890 regardless of whether it is made of polymer or metal.
Which countries are the top exporters of water meter impellers (HS 902890)?
In 2025, the top exporters of HS 902890 (the code used for water meter impellers) in UN Comtrade data were China ($724M, 22% of world exports), Mexico ($647M) and Vietnam (about $460M). World exports came to about $3.3B, 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 water meter impellers (HS 902890)?
In 2025, the top importers of HS 902890 (the code used for water meter impellers) in UN Comtrade data were the United States ($896M, 27% of world imports), Mexico ($465M) and Germany ($206M). World imports came to about $3.3B, 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.
Is the HS code for Water meter impellers the same in all countries?
The base HS code 902890 for Water meter impellers is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for water meter impellers in Brazil?
Brazil splits HS 902890 into 2 NCM codes, so the right one for water meter impellers depends on the product's details: 9028.90.10 (Parts and accessories of electricity meters), 9028.90.90 (Parts and accessories of gas or liquid meters).