HTS Index

HTS heading 8409

Parts suitable for use solely or principally with the engines of heading 8407 or 8408 — 34 codes under this heading, with the duty on each.

CodeDescriptionGeneral rateUnits
8409Parts suitable for use solely or principally with the engines of heading 8407 or 8408 + Ch. 99not stated
8409.10.00For aircraft engines + Ch. 99Free
8409.10.00.40For use in civil aircraft + Ch. 99Free (inherited from 8409.10.00)kg
8409.10.00.80Other + Ch. 99Free (inherited from 8409.10.00)kg
8409.91Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) + Ch. 99not stated
8409.91.10Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery + Ch. 99Free
8409.91.10.40For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 + Ch. 99Free (inherited from 8409.91.10)kg
8409.91.10.60For marine propulsion engines + Ch. 99Free (inherited from 8409.91.10)kg
8409.91.10.80Other + Ch. 99Free (inherited from 8409.91.10)kg
8409.91.30.00Aluminum cylinder heads + Ch. 992.5%No., kg
8409.91.50Other + Ch. 992.5%
8409.91.50.10Connecting rods + Ch. 992.5% (inherited from 8409.91.50)No., kg
8409.91.50.81Steel forgings + Ch. 992.5% (inherited from 8409.91.50)kg
8409.91.50.85Other + Ch. 992.5% (inherited from 8409.91.50)kg, No.
8409.91.92For marine propulsion engines + Ch. 992.5%
8409.91.92.10Connecting rods + Ch. 992.5% (inherited from 8409.91.92)No., kg
8409.91.92.90Other + Ch. 992.5% (inherited from 8409.91.92)kg
8409.91.99Other + Ch. 992.5%
8409.91.99.10Connecting rods + Ch. 992.5% (inherited from 8409.91.99)No., kg
8409.91.99.90Other + Ch. 992.5% (inherited from 8409.91.99)kg
8409.99Other + Ch. 99not stated
8409.99.10Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery + Ch. 99Free
8409.99.10.40For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 + Ch. 99Free (inherited from 8409.99.10)kg
8409.99.10.60For marine propulsion engines + Ch. 99Free (inherited from 8409.99.10)kg
8409.99.10.80Other + Ch. 99Free (inherited from 8409.99.10)kg
8409.99.91To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 + Ch. 992.5%
8409.99.91.10Connecting rods + Ch. 992.5% (inherited from 8409.99.91)No., kg
8409.99.91.90Other + Ch. 992.5% (inherited from 8409.99.91)kg, No.
8409.99.92For marine propulsion engines + Ch. 992.5%
8409.99.92.10Connecting rods + Ch. 992.5% (inherited from 8409.99.92)No., kg
8409.99.92.90Other + Ch. 992.5% (inherited from 8409.99.92)kg
8409.99.99Other + Ch. 99Free
8409.99.99.10Connecting rods + Ch. 99Free (inherited from 8409.99.99)No., kg
8409.99.99.90Other + Ch. 99Free (inherited from 8409.99.99)kg

21 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.

Additional duties may apply

34 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.

Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.