Cummins ISX Diesel Engine Piston from Japan
A forged aluminum piston designed specifically for Cummins ISX heavy-duty diesel engines under heading 8408. It features reinforced skirt design for high-pressure combustion and oil control rings for reduced emissions. Classified under 8409.99.99 as a part suitable solely or principally for use with 8408 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 through OEM part numbers to ensure 'solely or principally' classification under 8409
• Require manufacturer's declaration confirming part is designed exclusively for 8407/8408 engines, not universal automotive use