Heavy-Duty Diesel Oxidation Catalyst (DOC) from Germany
A flow-through catalytic converter that oxidizes CO and HC in heavy-duty diesel truck exhaust upstream of DPF/SCR systems. Falls under HTS 8421.32.00.00 as catalytic apparatus for internal combustion engine exhaust purification.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.94.5315%Parts of passenger vehicles and light trucks that are products of the European Union as specified in subdivision (o) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent as provided for in subdivision (m) of U.S. note 33 to this subchapter) rate of duty under column1 less than 15 percent.
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
• Certify compliance with EPA Heavy Duty Engine standards (40 CFR 86)
• Document canning material (stainless steel grade) and weld specifications
• Separate DOC from complete aftertreatment systems to maintain standalone classification