HS code · 6-digit subheading
HS Code 8419.90 – Machinery, plant and laboratory equipment; parts of equipment for treating materials by a process involving a change of temperature
HS code 8419.90 is the 6-digit subheading for machinery, plant and laboratory equipment, parts of equipment for treating materials by a process involving a change of temperature. It is used for heating elements, cooling coils, pressure vessels, temperature sensors and control panels.
What HS 8419.90 covers
This HS code specifically covers parts and components for the diverse range of machinery classified under 8419, which involves temperature-changing processes for materials. This includes everything from industrial ovens and sterilizers to heat exchangers and distillation units. The trade in these parts is vital for the maintenance, repair, and upgrade of existing industrial and laboratory infrastructure worldwide. Manufacturers of original equipment, as well as specialized spare parts suppliers, are key players in this global market. Importers are typically industrial facilities, maintenance companies, and equipment distributors who need to ensure the continuous operation and efficiency of their temperature-processing machinery. The market is characterized by the need for precision-engineered components, often made from specialized materials to withstand extreme temperatures or corrosive environments, ensuring the longevity and performance of the main equipment.
- Covers
- Heating elements
- Cooling coils
- Pressure vessels
- Temperature sensors
- Control panels
- Gaskets and seals
- Agitator shafts
- Condenser tubes
- Examples
- Siemens control units for industrial ovens
- Alfa Laval heat exchanger plates
- Steris sterilizer door seals
- GEA Niro spray nozzle assemblies
- Buchi evaporator flasks
Codes often confused with 8419.90
Common mistake. This code is distinct from general machinery parts in 847990 or parts of specific heating apparatus in 851690, as 841990 is exclusively for parts of temperature-treating machinery of heading 8419.
Top exporters and importers of HS code 841990, 2025
In 2025, the largest exporter of HS code 841990 in UN Comtrade data was China, with 24% of world exports; the largest importer in UN Comtrade data was the United States, with 18% 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 $2.1B 24% of world exports
- 2 United States $850M 9.8% of world exports
- 3 Germany $758M 8.7% of world exports
World total: $8.7B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $1.6B 18% of world imports
- 2 Germany $505M 5.6% of world imports
- 3 Netherlands $371M 4.1% of world imports
World total: $9.1B 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 8419.90 6
Brazil splits HS 8419.90 into 6 NCM codes, Mercosur's 8-digit tariff lines.
- 8419.90.10 Parts of non-solar non-electric water heatersDe aquecedores de água das subposições 8419.11 ou 8419.19
- 8419.90.20 Parts of distilling or rectifying columnsDe colunas de destilação ou de retificação
- 8419.90.3 Of plate heat exchangersDe trocadores de calor, de placas Group
- 8419.90.31 Corrugated heat exchanger plates over 0.4 m²Placa corrugada, de aço inoxidável ou de alumínio, com superfície de troca térmica de área superior a 0,4 m²
- 8419.90.39 Other parts of plate heat exchangersOutras
- 8419.90.40 Parts of cooking and other heat-treatment machinesDe aparelhos ou dispositivos das subposições 8419.81 ou 8419.89
- 8419.90.90 Other parts of heat-treatment plantOutras
All Brazil NCM codes in heading 84.19 →
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.
Questions about HS 8419.90
What is HS code 841990?
HS code 841990 is a 6-digit subheading in the Harmonized System that covers: Machinery, plant and laboratory equipment; parts of equipment for treating materials by a process involving a change of temperature. This HS code specifically covers parts and components for the diverse range of machinery classified under 8419, which involves temperature-changing processes for materials. This includes everything from industrial ovens and sterilizers to heat exchangers and distillation units. The trade in these parts is vital for the maintenance, repair, and upgrade of existing industrial and laboratory infrastructure worldwide. Manufacturers of original equipment, as well as specialized spare parts suppliers, are key players in this global market. Importers are typically industrial facilities, maintenance companies, and equipment distributors who need to ensure the continuous operation and efficiency of their temperature-processing machinery. The market is characterized by the need for precision-engineered components, often made from specialized materials to withstand extreme temperatures or corrosive environments, ensuring the longevity and performance of the main equipment.
What products fall under HS code 841990?
Heating elements, Cooling coils, Pressure vessels, Temperature sensors, Control panels, Gaskets and seals, Agitator shafts, Condenser tubes
What are common misclassifications for HS code 841990?
This code is distinct from general machinery parts in 847990 or parts of specific heating apparatus in 851690, as 841990 is exclusively for parts of temperature-treating machinery of heading 8419.
Which countries are the top exporters of goods under HS code 841990?
In 2025, the top exporters of HS code 841990 in UN Comtrade data were China ($2.1B, 24% of world exports), the United States ($850M) and Germany ($758M). World exports came to about $8.7B, 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 841990?
In 2025, the top importers of HS code 841990 in UN Comtrade data were the United States ($1.6B, 18% of world imports), Germany ($505M) and the Netherlands ($371M). World imports came to about $9.1B, 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 841990 structured?
HS code 841990 is a 6-digit subheading under the Harmonized System. The first 2 digits (84) identify the chapter, digits 3-4 (19) identify the heading, and digits 5-6 (90) specify the subheading. This code is standardized globally by the World Customs Organization.
What is the Brazil NCM code for HS code 841990?
Brazil splits HS code 841990 into 6 NCM codes: 8419.90.10 (Parts of non-solar non-electric water heaters), 8419.90.20 (Parts of distilling or rectifying columns), 8419.90.31 (Corrugated heat exchanger plates over 0.4 m²), 8419.90.39 (Other parts of plate heat exchangers), 8419.90.40 (Parts of cooking and other heat-treatment machines), 8419.90.90 (Other parts of heat-treatment plant). The first 6 digits of each match the HS code.