Brazil NCM · 8-digit subitem

NCM 8483.10.20 – Camshafts for valve timing

NCM 8483.10.20 (also written 84831020) is Brazil's code for camshafts for valve timing. Its first 6 digits are HS code 8483.10.

Official description of NCM 8483.10.20

PortuguêsOfficial
Árvores de cames para comando de válvulas
EnglishUnofficial translation

Camshafts for valve actuation

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

How to read NCM 8483.10.20

84Chapter 83Heading 10Subheading

HS code 8483.10
Same in every country

2Item 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. Digits 7 and 8 are Brazil's own split of that HS code. 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 84.83 Transmission shafts (including cam and crank) and cranks; bearing housings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers; flywheels and pulleys; clutches and shaft couplings Árvores (veios) de transmissão (incluindo as árvores de cames e virabrequins (cambotas)) e manivelas; mancais (chumaceiras) e "bronzes"; engrenagens e rodas de fricção; eixos de esferas ou de roletes; redutores, multiplicadores, caixas de transmissão e variadores de velocidade, incluindo os conversores de torque (binários*); volantes e polias, incluindo as polias para cadernais; embreagens e dispositivos de acoplamento, incluindo as juntas de articulação.
  3. Subheading 8483.10 Transmission shafts (including cam shafts and crank shafts) and cranks Árvores (veios) de transmissão (incluindo as árvores de cames e virabrequins (cambotas)) e manivelas
  4. Subitem 8483.10.20 Camshafts for valve actuation Árvores de cames para comando de válvulas

Other NCM codes under HS 8483.10

8483.10.11 Forged crankshafts, 900 kg and 2,000 mm or moreForjados, de peso igual ou superior a 900 kg e comprimento igual ou superior a 2.000 mm 8483.10.19 Other crankshaftsOutros 8483.10.30 Flexible transmission shaftsVeios flexíveis 8483.10.40 Transmission cranksManivelas 8483.10.50 Overload-coupled shafts, min 1,500 mm by 400 mmÁrvores de transmissão providas de acoplamentos dentados com entalhes de proteção contra sobrecarga, de comprimento igual ou superior a 1500 mm e diâmetro do eixo igual ou superior a 400 mm 8483.10.90 Other transmission shaftsOutras

Questions about NCM 8483.10.20

What is NCM 8483.10.20?

NCM 8483.10.20 (84831020) is the Brazilian (Mercosur) code for camshafts for valve timing. Its official Portuguese description is “Árvores de cames para comando de válvulas”.

What is the HS code for NCM 8483.10.20?

HS 8483.10 (Transmission shafts (including cam shafts and crank shafts) and cranks). 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 8483.10.20?

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.