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8409.91.92/Marine Spark Plug Adapter/Japan

Marine Spark Plug Adapter from Japan

Brass adapter converting standard automotive spark plugs for marine spark-ignition propulsion engines. Provides waterproof sealing for marine environments. Classifies under 8409.91.92 as part principally for marine 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

• IP67 waterproof rating certification; thread specification matching; declare as marine-specific to avoid8511 classification

Marine Spark Plug Adapter from Japan — Import Duty Rate | HTS 8409.91.92