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8409.91.10/Rough Cast Iron Exhaust Manifold/Japan

Rough Cast Iron Exhaust Manifold from Japan

Unfinished cast-iron exhaust manifold for spark-ignition internal combustion engines, with gates and fins removed via minimal machining for finishing setup. Exhaust ports and collectors untouched. HTS 8409.91.10 for such basic castings principally used with 8407/8408 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%
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Import Tips

• Thermal crack inspection reports confirm post-casting cleaning without stress-relief machining

• Specify engine displacement range matching 8408 spark-ignition provisions

Rough Cast Iron Exhaust Manifold from Japan — Import Duty Rate | HTS 8409.91.10