Section XVI — Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles
Chapter 84 — Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Heading 8421 — Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases.
National subdivision 8421.3 — Filtering or purifying machinery and apparatus for gases:
Subheading 8421.32 — Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines
HS code
8421.32.00 Catalytic converters or particulate filters, whether or not combined, for purifying o
Last Verified Date - 1 October 2026
Common commodities
Three-way catalytic converter for ICEDPF unit for diesel engine exhaustOxidation catalyst for emission controlSelective Catalytic Reduction (SCR) deviceCeramic substrate filter for vehicle exhaustMuffler with integrated particulate filterHeavy-duty Diesel Particulate Filter (DPF)Exhaust gas reduction system (EGR) with catalystAutomotive emission control catalytic componentCat converter with DPF for heavy-duty vehicles