Tariff reference › Chapter 84 › 8409.91.30.00
HTS 8409.91.30.00 — Aluminum cylinder heads
The current US import duty for Aluminum cylinder heads (HTS 8409.91.30.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
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: › Aluminum cylinder heads
Current US duty rate
| Column 1 (General / MFN) | 2.5% |
|---|---|
| Special (FTA programs) | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) |
| Column 2 (other) | 35% |
Additional duties may apply, depending on country of origin: Section 301 (China) — List 3 — 9903.88.03 (+25%).
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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=8409.91.30.00&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).