How to Import Auto Parts from Mexico to the US
Importing Automotive Parts, Components & Accessories from Mexico
Importing auto parts from Mexico into the United States carries low compliance risk, with an effective duty rate of 0%–2.5% USMCA (regional value content rules apply). The USMCA agreement provides significant tariff advantages — qualifying goods may enter at preferential or zero-duty rates, making this a cost-efficient import corridor.
Auto Parts imported from Mexico to the United States is subject to CBP entry requirements, applicable HTS-based duty rates, and agency compliance clearances. This guide covers the complete import process for 2026.
Mexico is the #1 auto parts supplier to the US. USMCA requires 75% regional value content for auto parts to receive preferential treatment. The US-Mexico auto supply chain is deeply integrated — tens of thousands of parts cross the border daily. Highly efficient CBP clearance procedures at major ports of entry.
Get an Exact Duty Estimate
Enter your product value and origin country to get the exact duty stack including MFN, Section 301, Section 232, and applicable FTA rates.
Estimated Landed Cost: Auto Parts from Mexico
Based on a representative $50,000 CIF shipment value. Actual costs vary by HTS code, entry type, and port of entry.
| Cost Component | Amount | Notes |
|---|---|---|
| Cargo Value (CIF) | $50,000.00 | Reference shipment value |
| MFN Base Duty (0.0%) | $0.00 | USMCA preferential / ITA zero-rate |
| Merchandise Processing Fee (0.3464%) | $173.20 | Min $31.67 / max $614.35 |
| Harbor Maintenance Fee (0.125%) | $62.50 | Ocean freight only |
| Total Duties & Fees | $235.70 | Effective rate: 0.5% |
| Estimated Landed Cost | $50,235.70 | Cargo + all US duties/fees |
✓ USMCA preferential rates reduce base duty to 0% for qualifying goods. MPF and HMF still apply on all entries.
Excludes freight, insurance, broker fees, warehousing, and AD/CVD duties. Use the Duty Calculator for a precise estimate on your specific shipment.
HTS Codes for Auto Parts Imports
The following Harmonized Tariff Schedule (HTS) codes typically apply to auto parts imports. Exact classification depends on the specific product — misclassification is one of the most common CBP compliance errors.
| HTS Code | Product Description | MFN Base Duty Rate |
|---|---|---|
| 8708 | Parts & Accessories for Motor Vehicles | 2.5%–3.1% MFN |
| 8483 | Transmission Shafts, Gears & Bearings | 0%–4.5% MFN |
| 8544 | Insulated Wire & Automotive Wiring Harnesses | 1.1%–3.5% MFN |
| 4011 | Pneumatic Tires for Motor Vehicles | 3.4%–4% MFN |
| 8512 | Electrical Lighting Equipment for Vehicles | 2.5%–3.7% MFN |
MFN rates reflect base tariff. Additional duties (Section 301, Section 232, AD/CVD) may apply on top of MFN rates. Use the AI classifier to get the exact 10-digit HTS code and all applicable rates for your specific product.
Total Tariff Cost for Mexico-Origin Auto Parts
| Duty Layer | Rate / Status | Applies To |
|---|---|---|
| MFN Base Rate | Varies by HTS code | All Mexico-origin goods (baseline) |
| USMCA Preferential Rate | Reduced / 0% (qualifying goods) | Goods meeting USMCA rules of origin |
| Section 301 | Not applicable | Mexico-origin goods are not subject to Section 301 |
| Section 232 | Exempt under USMCA | Steel and aluminum imports from Mexico |
Get Your Exact Total Duty Rate
Our calculator handles all duty layers — MFN + Section 301 + Section 232 + FTA rates — for any HTS code from any origin country.
US Compliance Requirements for Auto Parts Imports
Regardless of origin country, auto parts imports must satisfy the following US regulatory requirements before or at the time of CBP entry filing:
- NHTSA Federal Motor Vehicle Safety Standards (FMVSS) — mandatory for safety-critical parts (brakes, steering, tires, lighting, seat belts)
- EPA emission compliance documentation for engine components, catalytic converters, and emissions-control parts
- CARB (California Air Resources Board) certification for emissions-related parts sold through California distribution
- Country of origin marking required on all auto parts per 19 CFR Part 134 — must be permanent and legible
Run an automated compliance check for your auto parts import — identifies all applicable agency requirements, flagging issues before your shipment departs Mexico.
Run Compliance Check →Documentation Checklist for Auto Parts from Mexico
Prepare all documents before the shipment departs Mexico. Missing or incorrect documents are the #1 cause of CBP holds and customs delays.
Generate Your Document Checklist
Get a customized document checklist based on your specific HTS code, origin country, and product category.
Import Timeline — Auto Parts from Mexico
3–7 days (truck from Mexico/Canada); 5–12 days (air freight); 20–35 days (ocean)
FAQs — Importing Auto Parts from Mexico
Free Tools for Auto Parts Importers
Run these tools before your next shipment from Mexico — all free, no account required.
Ready to Calculate Your Exact Import Costs?
Get precise duty calculations, landed cost estimates, and compliance flags for your auto parts shipment from Mexico.
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Import duty rates are sourced from the USITC Harmonized Tariff Schedule and USTR Section 301 lists. Rates reflect current published schedules as of 2026-05-16 and are subject to change. This page is for informational purposes only and does not constitute legal or customs brokerage advice. Verify rates with a licensed customs broker before importing.