STP Oil Treatment Additive from Mexico
Friction-reducing formula with polymers that improves oil flow and reduces engine wear. HTS 3811.29.00.00 classification for other additives enhancing lubricating oil performance in passenger vehicles. Provides triple-action protection against friction, heat, and wear.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Document exact treat rate (e.g
• ounces per quart) to prove additive concentration
• EPA registration may be required if making fuel economy claims
• Avoid bulk packaging confusion with finished oils under 2710