</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Hydraulic Piston Pump Cylinder Block from Japan

The cylinder block is a core part of hydraulic piston pumps used in heavy machinery engines, housing the pistons that convert hydraulic fluid pressure into mechanical power. It falls under HTS 8412.90.9015 as a part of hydraulic power engines and motors, specifically within the 'other' category for such components.

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%

Import Tips

Verify material composition (e.g

steel alloy) and ensure it matches hydraulic engine specs to avoid misclassification as general machinery parts

Provide detailed engineering drawings and OEM part numbers in documentation for customs valuation and origin certification