HS 8421-32-00-00 – Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines

Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026

Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. › Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines › Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines

MFN duty rate

Free

GST

5%

Unit of measure

NMB

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

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Preferential tariff rates

• CETA: Free
• Costa Rica (CRT): Free
• Iceland: Free
• Panama (PAT): Free
• Israel (CIAT): Free
• Peru: Free
• CPTPP – United Kingdom (CPUKT): Free
• Colombia: Free
• Commonwealth Caribbean Countries Tariff (CCCT): Free
• Norway (NT): Free
• Ukraine: Free
• GPT: Free
• Chile: Free
• MXT/CUSMA (Mexico): Free
• Jordan (JT): Free
• Honduras (HNT): Free
• Switzerland–Liechtenstein (SLT): Free
• LDCT: Free
• Korea: Free
• UK: Free
• CPTPP: Free
• UST/CUSMA (US): Free

Preference requires qualifying origin and origin proof or certification.

Frequently asked questions

What is the MFN duty on Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines (HS 8421-32-00-00)?

The T2026-2 MFN rate for tariff item 8421.32.00 is Free. Specific or compound rates require manual calculation. Classification and origin must be verified with CBSA.

What is the duty on HS 8421-32-00-00 from the US?

Qualifying US-origin goods with origin proof use UST/CUSMA at Free. This item is not on any US surtax schedule in force in TariffPlus surtax data (checked against CBSA). GST/HST and any applicable personal-import provincial tax are additional.

Which trade agreement rates apply to HS 8421-32-00-00?

CETA: Free; Costa Rica (CRT): Free; Iceland: Free; Panama (PAT): Free; Israel (CIAT): Free; Peru: Free; CPTPP – United Kingdom (CPUKT): Free; Colombia: Free; Commonwealth Caribbean Countries Tariff (CCCT): Free; Norway (NT): Free; Ukraine: Free; GPT: Free; Chile: Free; MXT/CUSMA (Mexico): Free; Jordan (JT): Free; Honduras (HNT): Free; Switzerland–Liechtenstein (SLT): Free; LDCT: Free; Korea: Free; UK: Free; CPTPP: Free; UST/CUSMA (US): Free. Preferential treatment requires qualifying origin and certification. Rates are informational; CBSA is authoritative.