Cummins Marine Engine Piston Kit from Japan
A complete piston assembly designed specifically for Cummins QSB marine propulsion engines under heading 8408. It includes pistons, rings, and pins optimized for high-pressure saltwater environments. Classified under 8409.99.92.90 as a part suitable principally for marine propulsion engines.
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 engine model compatibility via manufacturer's documentation to confirm principal use with 8408 marine engines
• Include detailed technical specs and marine certification to avoid misclassification as general industrial parts