Cummins ISX Diesel Engine Piston from Mexico
A forged steel piston designed specifically for Cummins ISX heavy-duty diesel engines under heading 8408. It features reinforced crown and ring grooves for high-pressure combustion. Classified under 8409.99 as a part suitable solely or principally for these engines.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Obtain OEM part certification from Cummins to prove sole use with 8408 engines
• Include detailed engineering specs in documentation to avoid reclassification as general machinery parts
• Verify RoHS compliance for automotive engines; common pitfall is missing material safety data sheets