HTS 8409.91 (8409.91.00) duty rate
8409.91.00 is not a rated tariff line. Subheading 8409.91 (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)) is split into 5 tariff lines, and the duty rate depends on which one your product falls under:
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 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% |
Open the line that matches your product for its full rate table, Section 301 actions, exclusions, statistical suffixes and a free duty calculator.
Subheading 8409.91 at a glance
- 5 rated tariff lines; 1 duty-free at the general (MFN) rate.
- Ad valorem general rates from 2.5% to 2.5%.
- Section 301 (products of China): 5 of 5 lines on a list in effect (List 3).
Heading 8409 · Chapter 84 · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC); not legal or customs advice. Classification is decided by CBP.
🔔 Get a browser alert when US tariffs change (free, no email, one click to stop).