Cummins Marine Piston Assembly
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.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If certified for locomotive use
Locomotive-specific engine parts are classified separately from marine propulsion parts.
If adapted for marine pumps or auxiliary systems
Parts for marine pumps or non-propulsion systems fall under marine machinery parts in heading 8436.
If sold as universal replacement without marine restrictions
Non-specialized engine parts revert to general liquid engine parts classification.
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Import Tips & Compliance
• 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
Related Products under HTS 8409.99.92
Deutz Marine Air Intake Manifold
Composite air intake manifold for Deutz TCD 2013 marine propulsion engine. Marine turbocharging optimized for high humidity/salt environments. Under HTS 8409.99.92 as heading 8408 marine propulsion part.
Lister Petter Marine Flywheel
Heavy-duty marine flywheel with damper for Lister Petter LPWS marine propulsion engine. Sized for marine propeller inertia loads and starting characteristics. HTS 8409.99.92 classification for marine propulsion parts.
Perkins Marine Starter Motor Housing
Aluminum die-cast starter motor housing for Perkins Sabre M135 marine propulsion engine. IP67 waterproof rating for marine electrical systems. Classified HTS 8409.99.92 for heading 8408 marine engine parts.
Isuzu Marine Heat Exchanger Core
Tube-and-shell heat exchanger core for Isuzu 4JJ1T marine propulsion engine cooling systems. Cupronickel tubes for seawater heat exchange in propulsion applications. HTS 8409.99.92 for marine propulsion engine parts.
Volvo Penta Marine Crankshaft
Nitrided forged steel crankshaft engineered for Volvo Penta D13 marine propulsion engines in yachts and workboats. It incorporates counterweights optimized for marine propeller loads and corrosion-resistant treatments. Falls under HTS 8409.99.92 due to its principal use in marine propulsion engines of heading 8408.
MAN Marine Cylinder Head
Cast iron cylinder head with integrated cooling passages for MAN B&W 6S50ME marine propulsion diesel engines. Designed for high-pressure common-rail injection systems in large container ships. HTS 8409.99.92 applies as it's principally for marine propulsion engines of heading 8408.