Chapters › 8409 › 8409.91

HTS 8409.91

Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines)

Parts suitable for use solely or principally with the engines of heading 8407 or 8408 › Other

As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
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Chapter 99 measures listing products under 8409.91

Lines under 8409.91

HTSDescriptionGeneralColumn 2
8409.91.10Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in…Free10%
8409.91.10.40For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704
8409.91.10.60For marine propulsion engines
8409.91.10.80Other
8409.91.30.00Aluminum cylinder heads2.5%35%
8409.91.50Other2.5%35%
8409.91.50.10Connecting rods
8409.91.50.81Steel forgings
8409.91.50.85Other
8409.91.92For marine propulsion engines2.5%35%
8409.91.92.10Connecting rods
8409.91.92.90Other
8409.91.99Other2.5%35%
8409.91.99.10Connecting rods
8409.91.99.90Other