Tariff reference › Chapter 38 › 3811.11.50.00
HTS 3811.11.50.00 — Other
The current US import duty for Other (HTS 3811.11.50.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils: › Antiknock preparations: › Based on lead compounds: › Other
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 25% |
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=3811.11.50.00&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).