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NAICSSector 33
U.S. imports of motor vehicle gasoline engines and engine parts (naics 336310) (NAICS 336310) totaled $1.8B in July 2026, traded with 107 countries.
Importers of Motor Vehicle Gasoline Engines and Engine Parts (NAICS 336310) paid $115.1M in duties in July 2026 — an effective duty rate of 12% on $967.3M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataAt the 6-digit NAICS level, this code captures establishments primarily engaged in manufacturing gasoline engines for passenger cars, light trucks, and heavy-duty vehicles, as well as the discrete parts — pistons, valves, camshafts, and fuel injectors — that feed both OEM assembly lines and the aftermarket. Engine parts trade is heavily influenced by Section 232 tariff measures on automotive components, and the integrated North American production network means that many parts cross the US-Canada or US-Mexico border multiple times before final assembly. Accurate HTS classification by engine type and displacement is essential for correct duty calculation and trade-remedy applicability.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
43.3K shipments/mo
Remanufactured engine parts may be classified under the same HTS subheadings as new parts, but CBP may scrutinize the condition and processing of the goods. Additionally, some remanufactured automotive parts are subject to core return requirements and may have different valuation considerations. Consulting a licensed customs broker is advisable for remanufactured goods.
As OEMs commit to electrification timelines, demand for gasoline engine components is expected to plateau and eventually decline for passenger vehicles, though commercial and industrial engine segments may sustain demand longer. Importers and distributors should factor product lifecycle risk into sourcing contracts and inventory strategies.
National industry 1 of 1 in naics industry 33631
National industry 336310 · $1.8B of $1.8B
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Imports · July 2026
origin
Mexico and Canada together supply 57% of it.
customs district
Census does not publish district detail for this classification system.
destination
None recorded for this period.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$1.8BYoY · Pro
Exports
$897.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.