HTS 8409.99.92.90

For marine propulsion engines

Description

8409 Parts suitable for use solely or principally with the engines of heading 8407 or 8408 > Other > Other > Other > For marine propulsion engines > Other

General duty (most countries)	2.5%
Trade-deal rates	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Column 2 (Cuba, North Korea, Russia, Belarus)	35%
6-digit HS code (international)	8409.99

Estimated US duty by country of origin

Base rate plus the additional tariffs that apply today (China Section 301, the 2026 country tariff). Steel, aluminium and some other goods can owe more.

Made in	Estimated duty	Made up of
China	40%	2.5% base · +25% China Section 301 List 3 · +12.5% 2026 country tariff
Vietnam	15%	2.5% base · +12.5% 2026 country tariff
India	12.5%	2.5% base · +10% 2026 country tariff
Bangladesh	12.5%	2.5% base · +10% 2026 country tariff
Pakistan	12.5%	2.5% base · +10% 2026 country tariff
Türkiye	15%	2.5% base · +12.5% 2026 country tariff
Mexico	12.5%	2.5% base · +10% 2026 country tariff Free under USMCA if the product qualifies
Canada	12.5%	2.5% base · +10% 2026 country tariff Free under USMCA if the product qualifies
United Kingdom	12.5%	2.5% base · +10% 2026 country tariff
Germany	10%	2.5% base · +7.5% 2026 country tariff (total at least 10%)
Italy	10%	2.5% base · +7.5% 2026 country tariff (total at least 10%)
Taiwan	10%	2.5% base · +7.5% 2026 country tariff (total at least 10%)
Japan	12.5%	2.5% base · +10% 2026 country tariff (total at least 12.5%)
South Korea	12.5%	2.5% base · +10% 2026 country tariff (total at least 12.5%) Free under US–Korea FTA if the product qualifies
Thailand	15%	2.5% base · +12.5% 2026 country tariff
Indonesia	12.5%	2.5% base · +10% 2026 country tariff

Other codes under heading 8409

8409.10.00.40 · FreeFor aircraft engines > For use in civil aircraft
8409.10.00.80 · FreeFor aircraft engines > Other
8409.91.10.40 · FreeOther > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery > For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704
8409.91.10.60 · FreeOther > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery > For marine propulsion engines
8409.91.10.80 · FreeOther > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery > Other
8409.91.30.00 · 2.5%Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Aluminum cylinder heads
8409.91.50.10 · 2.5%Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Other > Connecting rods
8409.91.50.81 · 2.5%Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Other > Steel forgings
8409.91.50.85 · 2.5%Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Other > Other
8409.91.92.10 · 2.5%Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > For marine propulsion engines > Connecting rods
8409.91.92.90 · 2.5%Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > For marine propulsion engines > Other
8409.91.99.10 · 2.5%Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > Other > Connecting rods
8409.91.99.90 · 2.5%Other > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines) > Other > Other > Other
8409.99.10.40 · FreeOther > Other > Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery > For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704
8409.99.10.60 · FreeOther > Other > Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery > For marine propulsion engines
8409.99.10.80 · FreeOther > Other > Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery > Other
8409.99.91.10 · 2.5%Other > Other > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Connecting rods
8409.99.91.90 · 2.5%Other > Other > Other > To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 > Other
8409.99.92.10 · 2.5%Other > Other > Other > For marine propulsion engines > Connecting rods
8409.99.99.10 · FreeOther > Other > Other > Other > Connecting rods
8409.99.99.90 · FreeOther > Other > Other > Other > Other

Official US Harmonized Tariff Schedule, version of 2026-11-03.

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