Marine Diesel Crankcase Casting from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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