3811.21.00.00/Gasoline-Engine Oil Antioxidant Additive/Japan

Gasoline-Engine Oil Antioxidant Additive from Japan

Oxidation inhibitor additive with petroleum base oils for gasoline engine oils, preventing sludge formation. Falls under 3811.21.00.00 for its petroleum oil content in lubricating oil preparations.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Include stability test data in entry docs; comply with EPA fuel additive regs

• Common error: classifying as fuel additive under 3811.11 if misused