Marine Diesel Crankcase Casting from China
Cast-iron crankcase housing rough-machined only for fin removal, used in medium-speed marine propulsion diesel engines of heading 8408. Encloses crankshaft and main bearings. Qualifies for 8409.99.10.60 as cast-iron part limited to basic cleaning processes.
Duty Rate — China → United States
37.5%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Cross-reference with engine serial numbers in import docs for definitive marine propulsion linkage
• Consult foundry logs proving machining limited to permitted operations only
• Declare exact carbon equivalent to confirm cast-iron metallurgy versus steel castings