API Certified DEF for Heavy Duty Trucks from China

API-certified Diesel Exhaust Fluid designed for heavy-duty diesel trucks and compliant with ISO 22241 specifications. This 32.5% urea aqueous solution is used in SCR systems to convert harmful NOx into harmless nitrogen and water. Falls under HTS 3102.10.00.30 due to its specific formulation as DEF per chapter 3102 notes for urea in aqueous solution.

Duty Rate — China → United States

25%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Provide API certification and ISO 22241 compliance documentation to avoid reclassification as a general chemical product

Declare exact urea concentration (32.5%) and confirm no prohibited additives per EPA regulations for DEF

Use bulk packaging documentation to distinguish from retail-packed goods under heading 3105

API Certified DEF for Heavy Duty Trucks from China — Import Duty Rate | HTS 3102.10.00.30