HTS heading 8409: Parts suitable for use solely or principally with the engines of heading 8407 or 8408
Heading 8409 of the US Harmonized Tariff Schedule covers Parts suitable for use solely or principally with the engines of heading 8407 or 8408. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 8409 at a glance
- 10 rated tariff lines; 4 duty-free at the general (MFN) rate.
- Ad valorem general rates from 2.5% to 2.5%.
- Section 301 (products of China): 10 of 10 lines on a list in effect (List 1, List 3).
Goods named in this heading (official line texts): For aircraf…, Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gate…, Aluminum cy…, For marine propulsion engines, Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gate…, To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or he…, For marine propulsion engines.
Subheadings (6-digit)
- 8409.10: Parts suitable for use solely or principally with the engines of heading 8407 or…: For aircraf… (1 line)
- 8409.91: Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) (5 lines)
- 8409.99: Other (4 lines)
All tariff lines in heading 8409
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 8409.10.00 | Parts suitable for use solely or principally with the engines of heading 8407 or…: For aircraf… | Free | List 1 +25% | |
| 8409.91.10 | Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gate… | Free | List 3 +25% | |
| 8409.91.30 | To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or …: Aluminum cy… | 2.5% | List 3 +25% | |
| 8409.91.50 | To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or …: Other | 2.5% | List 3 +25% | |
| 8409.91.92 | For marine propulsion engines | 2.5% | List 3 +25% | |
| 8409.91.99 | Other: Other | 2.5% | List 3 +25% | |
| 8409.99.10 | Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gate… | Free | List 3 +25% | |
| 8409.99.91 | To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or he… | 2.5% | List 3 +25% | |
| 8409.99.92 | For marine propulsion engines | 2.5% | List 3 +25% | |
| 8409.99.99 | Other: Other | Free | List 3 +25% |
All of chapter 84 · Chapter 84 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
🔔 Get a browser alert when US tariffs change (free, no email, one click to stop).