Car Engines from 🇲🇽 Mexico: US Import Tariffs 2026
Complete guide to US duty rates, HTS codes, and tariff overlays for car engines imported from Mexico. Total 2025 imports: $87.4B.
Section 232 — Steel
25% tariff on steel imports under Section 232 national security authority.
Section 232 — Aluminum
10% tariff on aluminum imports under Section 232 national security authority.
HTS Codes for Car Engines — Duty Rates
Search for car engines HTS codes in the live database.
Search Car Engines HTS codesTop Car Engines Imports from Mexico (2025)
| HS6 Code | Description | Import Value | Duties Paid |
|---|---|---|---|
| 870323 | PASSENGER MOTOR VEHICLES WITH SPARK-IGNITION INTERNAL COMBUSTION RECIPROCATING PISTON ENGINE, CYLINDER CAPACITY OVER 1,500 CC BUT NOT OVER 3,000 CC | $20.4B | $3.3B |
| 870431 | MOTOR VEHICLES FOR GOODS TRANSPORT NESOI, WITH SPARK-IGNITION INTERNAL COMBUSTION PISTON ENGINE, GVW NOT OVER 5 METRIC TONS | $20.3B | $1.4B |
| 870322 | PASSENGER MOTOR VEHICLES WITH SPARK-IGNITION INTERNAL COMBUSTION RECIPROCATING PISTON ENGINE, CYLINDER CAPACITY OVER 1,000 CC BUT NOT OVER 1,500 CC | $13.6B | $1.1B |
| 870121 | ROAD TRACTORS FOR SEMI-TRAILERS, WITH ONLY COMPRESSION-IGNITION INTERNAL COMBUSTION PISTON ENGINE (DIESEL OR SEMI-DIESEL) | $6.4B | $171M |
| 870422 | MOTOR VEHICLES FOR GOODS TRANSPORT NESOI, WITH COMPRESSION-IGNITION INTERNAL COMBUSTION PISTON ENGINE (DIESEL), GVW OVER 5 BUT NOT OVER 20 METRIC TONS | $5.5B | $156M |
| 840734 | SPARK-IGNITION RECIPROCATING PISTON ENGINES FOR PROPULSION OF VEHICLES EXCEPT RAILWAY OR TRAMWAY STOCK, OVER 1,000 CC CYLINDER CAPACITY | $3.9B | $308M |
| 840991 | PARTS FOR USE WITH SPARK-IGNITION INTERNAL COMBUSTION PISTON ENGINES (INCLUDING ROTARY ENGINES), NESOI | $3.1B | $260M |
| 870421 | MOTOR VEHICLES FOR GOODS TRANSPORT NESOI, WITH COMPRESSION-IGNITION INTERNAL COMBUSTION PISTON ENGINE (DIESEL), GVW NOT OVER 5 METRIC TONS | $2.7B | $78M |
| 870451 | TRUCKS GVW NOT EXCEEDING 5 METRIC TONS, WITH BOTH SPARK-IGNITION INTERNAL COMBUSTION PISTON ENGINE AND ELECTRIC MOTOR FOR PROPULSION | $2.7B | $305M |
| 870423 | MOTOR VEHICLES FOR GOODS TRANSPORT NESOI, WITH COMPRESSION-IGNITION INTERNAL COMBUSTION PISTON ENGINE (DIESEL), GVW OVER 20 METRIC TONS | $2.4B | $63M |
Last verified and sources
Last verified: June 2, 2026
Rates and trade context on this page are checked against official tariff, customs, trade-policy, and import-data sources. Use the calculator for an item-specific duty stack before making entry, quote, or purchase decisions.
Frequently Asked Questions
What is the US duty rate on car engines?
Spark-ignition engines for vehicles are classified under HTS 8407.34 with base duty rates of 0-2.5%. Diesel engines fall under HTS 8408.20 with similar rates. USMCA-qualifying engines from Mexico/Canada enter duty-free.
Are engine parts subject to different tariffs?
Yes, engine parts (HTS 8409) have separate duty rates, typically 0-2.5% depending on the specific component. Parts designed for specific engine types may qualify for different rates.
How does USMCA affect engine imports?
Under USMCA, engines and engine parts originating in Mexico or Canada enter duty-free if they meet the rules of origin. This has made Mexico the largest source of engine imports to the US.
What tariffs apply to car engines from Mexico?
Car Engines imported from Mexico are subject to the standard MFN base duty rate, plus Section 232 — Steel, Section 232 — Aluminum tariff overlays. Use the duty calculator to get the exact rate for your HTS code.
How do I calculate the landed cost for car engines from Mexico?
The landed cost includes the product value (FOB), ocean or air freight, insurance, US Customs duties (base rate plus any applicable overlays), Merchandise Processing Fee (0.3464% of value, min $29.66), and Harbor Maintenance Fee (0.125% of dutiable value). Use our landed cost calculator to get the full breakdown.
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Enter any HTS code to get the full duty breakdown for car engines from Mexico including all tariff overlays.