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Three-Way Catalytic Converter for Gasoline Passenger Cars from Japan

A catalytic converter containing platinum, palladium, and rhodium catalysts on a ceramic honeycomb substrate to simultaneously reduce CO, HC, and NOx in gasoline engine exhaust. Classified under HTS 8421.32.00.00 for purifying exhaust from internal combustion engines. It operates efficiently across a wide temperature range.

Duty Rate — Japan → United States

15%

Rate breakdown

9903.94.4315%Parts of passenger vehicles and light trucks that are products of Japan as provided for in subdivision (l) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent as provided for in subdivision (m) of U.S. note 33 to this subchapter.
9903.74.110%Articles as provided for in subdivision (l) of U.S. note 38 to this subchapter.
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Declare precious metal loading (pgm content) accurately for customs valuation and potential duty adjustments

Provide OEM part numbers and vehicle application lists to demonstrate engine-specific use

Comply with REACH regulations if importing to EU markets regarding substrate materials