Brazil NCM · 8-digit code

NCM 8421.32.00 – Exhaust catalytic converters, particulate filters

NCM 8421.32.00 (also written 84213200) is Brazil's code for exhaust catalytic converters, particulate filters. Its first 6 digits are HS code 8421.32.

Official description of NCM 8421.32.00

PortuguêsOfficial
Conversores catalíticos e filtros de partículas, mesmo combinados, para depurar ou filtrar os gases de escape dos motores de ignição por centelha (faísca) ou por compressão
EnglishUnofficial translation

Machinery; catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 8421.32.00

84Chapter 21Heading 32Subheading

HS code 8421.32
Same in every country

0Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. The last two digits are 00 because Brazil does not split this HS code further. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 84 Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof Reatores nucleares, caldeiras, máquinas, aparelhos e instrumentos mecânicos, e suas partes.
  2. Heading 84.21 Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus for liquids or gases Centrifugadores, incluindo os secadores centrífugos; aparelhos para filtrar ou depurar líquidos ou gases.
  3. Group 8421.3 Filtering or purifying machinery and apparatus for gases: Aparelhos para filtrar ou depurar gases:
  4. Subheading 8421.32 Machinery; catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines
  5. Subitem 8421.32.00 Machinery; catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines Conversores catalíticos e filtros de partículas, mesmo combinados, para depurar ou filtrar os gases de escape dos motores de ignição por centelha (faísca) ou por compressão

Questions about NCM 8421.32.00

What is NCM 8421.32.00?

NCM 8421.32.00 (84213200) is the Brazilian (Mercosur) code for exhaust catalytic converters, particulate filters. Its official Portuguese description is “Conversores catalíticos e filtros de partículas, mesmo combinados, para depurar ou filtrar os gases de escape dos motores de ignição por centelha (faísca) ou por compressão”.

What is the HS code for NCM 8421.32.00?

HS 8421.32 (Machinery; catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 8421.32.00?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.