Tariff reference › Chapter 99 › 9902.15.46
HTS 9902.15.46 — Cast-iron cylinder heads suitable for use solely or principally with marine compression-ignition engines, such parts with cylinder bore over 125 mm and weighing over 32 kg each (provided for in subheading 8409.99.92)
The current US import duty for Cast-iron cylinder heads suitable for use solely or principally with marine compression-ignition engines, such parts with cylinder bore over 125 mm and weighing over 32 kg each (provided for in subheading 8409.99.92) (HTS 9902.15.46) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Cast-iron cylinder heads suitable for use solely or principally with marine compression-ignition engines, such parts with cylinder bore over 125 mm and weighing over 32 kg each (provided for in subheading 8409.99.92)
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | No change |
| Column 2 (other) | No change |
No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.
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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=9902.15.46&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).