Heading 8409
HTS code 8409 — Parts suitable for use solely or principally with the engines of heading 8407 or 8408
- Tariff lines
- 22
- General duty
- General duty rate of 2.5%, with 10 duty-free lines
Tariff lines under heading 8409
Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.
| HTS code | Description | General rate | Unit |
|---|---|---|---|
| 8409.10.0040 | For use in civil aircraft (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > For aircraft engines) | Free | kg |
| 8409.10.0080 | Other (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > For aircraft engines) | Free | kg |
| 8409.91.1040 | For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Cast-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) | Free | kg |
| 8409.91.1060 | For marine propulsion engines (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Cast-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) | Free | kg |
| 8409.91.1080 | Other (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Cast-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) | Free | kg |
| 8409.91.3000 | Aluminum cylinder heads (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704) | 2.5% | No., kg |
| 8409.91.5010 | Connecting rods (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Other) | 2.5% | No., kg |
| 8409.91.5081 | Steel forgings (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Other) | 2.5% | kg |
| 8409.91.5085 | Other (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Other) | 2.5% | kg, No. |
| 8409.91.9210 | Connecting rods (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > For marine propulsion engines) | 2.5% | No., kg |
| 8409.91.9290 | Other (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > For marine propulsion engines) | 2.5% | kg |
| 8409.91.9910 | Connecting rods (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > Other) | 2.5% | No., kg |
| 8409.91.9990 | Other (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > Other) | 2.5% | kg |
| 8409.99.1040 | For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Other > Cast-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) | Free | kg |
| 8409.99.1060 | For marine propulsion engines (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Other > Cast-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) | Free | kg |
| 8409.99.1080 | Other (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Other > Cast-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) | Free | kg |
| 8409.99.9110 | Connecting rods (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Other > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704) | 2.5% | No., kg |
| 8409.99.9190 | Other (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Other > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704) | 2.5% | kg, No. |
| 8409.99.9210 | Connecting rods (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Other > Other > For marine propulsion engines) | 2.5% | No., kg |
| 8409.99.9290 | Other (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Other > Other > For marine propulsion engines) | 2.5% | kg |
| 8409.99.9910 | Connecting rods (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Other > Other > Other) | Free | No., kg |
| 8409.99.9990 | Other (Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Other > Other > Other) | Free | kg |
Documents required to import under 8409
Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.
- Commercial InvoiceRequired
- Packing ListRequired
- Bill of Lading / Airway BillRequired
- CBP Entry Summary (7501)Required
Prepared and filed by your customs broker
- CBP Entry / Release (3461)Required
Prepared and filed by your customs broker
- Customs Bond (CBP 301)Conditional
Required for formal entries — generally shipments valued over $2,500
Single-entry or continuous bond, obtained through your broker or a surety
- Importer Security Filing (ISF "10+2")Conditional
Required for ocean freight only
Filed electronically at least 24 hours before loading at the foreign port
- Importer ID Input Record (CBP 5106)Conditional
Required to establish or update your importer-of-record number with CBP
One-time setup for a new importer; not filed per shipment
- Entry Manifest (CBP 7533)Conditional
Alternative to the 3461 for informal, low-value, or contiguous-country entries
- FCC Declaration (Form 740)Conditional
Required for electronic devices that emit radio frequency
- FDA Radiation Declaration (Form 2877)Conditional
Required for products that emit radiation (X-ray, laser, microwave, etc.)
Common questions
- What is HTS code 8409?
- HTS heading 8409 covers parts suitable for use solely or principally with the engines of heading 8407 or 8408. It sits in Chapter 84 (machinery and mechanical appliances) of the US Harmonized Tariff Schedule and contains 22 tariff lines.
- What is the duty rate for HTS 8409?
- General duty rate of 2.5%, with 10 duty-free lines. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
- How many digits does a full HTS code have?
- US import entries require the full 10-digit HTS code. Heading 8409 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.
Related headings in Chapter 84
- 8401Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation; parts thereof
- 8402Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof
- 8403Central heating boilers (other than those of heading 8402) and parts thereof
- 8404Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof
- 8405Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers; parts thereof
- 8406Steam turbines and other vapor turbines, and parts thereof
- 8407Spark-ignition reciprocating or rotary internal combustion piston engines
- 8408Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)