Tariff Monitor

U.S. Imports of Internal combustion engines From Japan

In 2025, U.S. importers brought in $3.7B of internal combustion engines from Japan, paying an effective tariff rate of 13.7%. That makes Japan the 2nd-largest named source of this family, at 13.4% of tracked internal combustion engines imports. The family-wide effective rate is 12.59%, so Japan's goods pay 1.1 points more than average. Freight and insurance add 2.78% on top of customs value. Tracked-family figures are a floor on total bilateral trade, from USITC DataWeb data.

The current reading

  • Import value: $3.7B of internal combustion engines from Japan in 2025, customs value.
  • Effective tariff rate: 13.7%, calculated duties ÷ customs value, 1.1 points above the 12.59% family average.
  • Share of the family: 13.4%, #2 named source of internal combustion engines.
  • Freight and insurance: 2.78% of customs value, on top of the duty.
  • History depth: 12 years of annual named-source boards.

Frequently asked questions

  • What tariff does the U.S. charge on internal combustion engines from Japan? In 2025, internal combustion engines imported from Japan paid an effective tariff rate of 13.7%, calculated as duties collected divided by customs value, which captures Section 301/232 overlays and program use that statutory rates miss.
  • How much internal combustion engines does the U.S. import from Japan? The U.S. imported $3.7B of internal combustion engines from Japan in 2025, 13.4% of the tracked internal combustion engines it imports, ranking Japan the 2nd-largest named source. The chart above traces the full history.
  • What does freight add on internal combustion engines from Japan? Cost, insurance, and freight ran 2.78% of customs value on internal combustion engines from Japan in 2025. That stacks on the duty, so the landed cost runs higher than the effective rate alone implies.

About this data

  • Reference statistics derived from USITC published data. Not a customs ruling; verify rates with a licensed customs broker before relying on them.

Last reviewed 2026-05-12.