</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Motorcycle Catalytic Converter with Lambda Sensor from Mexico

Compact metallic substrate catalytic converter for motorcycles, often integrated with oxygen sensor ports for closed-loop control. Classified in HTS 8421.32.00.00 for filtering/purifying two-wheeler internal combustion engine exhaust.

Duty Rate — Mexico → United States

25%

Rate breakdown

9903.94.0525%Except for products described in headings 9903.94.06, 9903.94.32, 9903.94.33, 9903.94.42, 9903.94.43, 9903.94.44, 9903.94.45, 9903.94.52, 9903.94.53, 9903.94.54, 9903.94.55, 9903.94.62, 9903.94.63, 9903.94.66 and 9903.94.67, automobile parts, as provided for in subdivision (g) of U.S. note 33 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
9903.74.110%Articles as provided for in subdivision (l) of U.S. note 38 to this subchapter.

Import Tips

Include ECE R40 homologation for European market entry

Specify substrate type (metallic foil vs ceramic) in documentation

Test for motorcycle-specific backpressure limits during validation