U.S. imports of Parts, Exc Conn Rods & Alum Cyl Heads, For Spark-Ignition Internal Combustion Piston Engines (Inc Rotary) for Road Tractors, Mtr Buses, Autos or Truck (HS 8409915085) totaled $454.7M in August 2026, imported from 51 countries.
Importers of Parts, Exc Conn Rods & Alum Cyl Heads, For Spark-Ignition Internal Combustion Piston Engines (Inc Rotary) for Road Tractors, Mtr Buses, Autos or Truck paid $27.4M in duties in August 2026, an average duty rate of 6.03% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataAverage import price $12.58/kg · 12.2K import shipments a month
Statistical number 1 of 14 in subheading 840991
Statistical number 8409915085 · $454.7M of $692.2M
Imports
Imports
$454.7MYoY · free account
Low of 8 reported months · imports
Low · free accountThrough August 2026 · imports 8 of 12 months reported. Source: U.S. Census Bureau.
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Imports · August 2026
origin
Mexico and Japan together supply 68% of it. China pays 33.4% duty; Canada 0.3%.
customs district
None recorded for this period.
destination
Census publishes state breakdowns to the 6-digit level only. See HS 840991 for those.
entry
Census publishes port breakdowns to the 6-digit level only. See HS 840991 for those.
rate provision · imports
None recorded for this period.