High-Pressure Fluid End Block for Frac Pumps from China

A forged steel fluid end block designed for high-pressure hydraulic fluid power pumps used in hydraulic fracturing operations. It houses pistons, valves, and seals to withstand extreme pressures up to 15,000 PSI. Classified under HTS 8413.91.9055 as a part of hydraulic fluid power pumps.

Duty Rate — China → United States

35%

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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

Import Tips

Verify material certifications (e.g

AISI 4330 steel) and pressure ratings to ensure classification as hydraulic pump parts

Obtain end-user statements confirming use in hydraulic fluid power pumps to avoid misclassification as general machinery parts

High-Pressure Fluid End Block for Frac Pumps from China — Import Duty Rate | HTS 8413.91.90.55