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Cummins Marine Piston Assembly from Canada

A high-strength forged piston assembly designed exclusively for Cummins QSL9 marine propulsion engines used in commercial vessels. It features specialized coatings for marine environments and precise tolerances for high-RPM operation in saltwater conditions. Classified under HTS 8409.99.92 as a part suitable solely for marine propulsion engines of heading 8408.

Duty Rate — Canada → United States

12.5%

Rate breakdown

9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter

Import Tips

• Verify engine model compatibility with marine propulsion certification (e.g

• ABS, DNV) to avoid reclassification

• Include detailed engineering specs proving 'solely or principally' marine use; inland engine parts fall elsewhere