Heavy-Duty Diesel Oxidation Catalyst (DOC) from Japan
A flow-through catalytic converter that oxidizes CO and HC in heavy-duty diesel truck exhaust upstream of DPF/SCR systems. It falls under tariff item 8421.32.00 as catalytic apparatus for internal combustion engine exhaust purification.
Duty Rate — Japan → Canada
0%
Import Tips
• Verify the DOC is compatible with the truck's exhaust system and emission standards
• Provide technical specifications to CBSA to confirm classification
• Ensure the catalyst is free of any prohibited substances for import