气缸盖总成
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 8409913000 | 37.5% | CN | US | Official Doc |
AI Analysis
⚙️ Aluminum Cylinder Heads for Tractors & Agricultural Machinery
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Cylinder Head Assemblies"?
An Aluminum Cylinder Head is a critical component of internal combustion engines. It seals the top of the engine cylinders, houses the valves, spark plugs (for spark-ignition), and forms the combustion chamber.
In international trade, classification depends heavily on: 1. The Engine Type It Serves: Specifically, Spark-Ignition (gasoline) vs. Compression-Ignition (diesel). 2. The Application Vehicle: Specifically, Tractors (Heading 8701) vs. Passenger Cars (Heading 8703) vs. Commercial Trucks (Heading 8704).
⚠️ Key Distinction Point:
- If it is for a Gasoline Engine (Spark-Ignition) and specifically designed for Tractors (Subheadings 8701.21–8701.29), it falls under 8409.91.30.00.
- If it were for a Diesel Engine, it would fall under different subheadings (e.g., 8409.91.50).
- If it were for a Car, it would likely be 8409.91.90.Note: The data provided strictly covers parts for Spark-Ignition Engines suitable for Tractors.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority)
| HS Code | Product Description | Applicable Scenario | Engine Type | Vehicle Category |
|---|---|---|---|---|
8409.91.30.00 |
Aluminum Cylinder Heads | Suitable for use solely/principally with spark-ignition piston engines (including rotary), intended for installation in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24, or 8701.29 (Tractors) or heading 8702, 8703, 8704 (Motor Vehicles). | Spark-Ignition (Gasoline) | Primarily Tractors (8701) and other Motor Vehicles (8702-8704) |
🔍 Important Note:
- This code is specific to Aluminum cylinder heads. Steel heads may have different classifications. - The description explicitly lists 8701.21–8701.29 (Tractors) and 8702–8704 (Other motor vehicles). This implies the part is versatile but the primary focus in this specific data point is on Tractors and general motor vehicles.
💰 III. 2026 Latest Tariff Rate Details (Including Additional Taxes)
✅ Applicable Country: United States (US)
✅ Origin: China (CN) (Based on the tax structure provided in the data)
✅ Effective Time: 2025/2026 Period (Current Trade Policy)
🎯 1. 8409.91.30.00 —— Aluminum Cylinder Heads for Spark-Ignition Engines
| Item | Content |
|---|---|
| Base Tariff Rate | 2.5% (Most Favored Nation / MFN Rate) |
| Section 301 Additional Tariff | +25.0% (China-specific trade remedy duties) |
| Total Tariff Rate | 27.5% |
| Tax Calculation | CIF Value × 27.5% |
| De Minimis Exemption? | ❌ No (Section 301 duties generally do not apply to de minimis shipments under $800, but for commercial imports, this is fully applicable). |
| Legal Basis Path | HTSUS 8409.91.30.00 → USITC Footnote 301 → 19 CFR 123.13 (Section 301) |
📌 Interpretation:
- The 2.5% is the standard WTO-based duty for engine parts.
- The 25% is the punitive tariff added by the US Trade Representative (USTR) under Section 301 of the Trade Act of 1974, targeting specific Chinese imports, including automotive parts and engines.
- Total Cost Impact: Importers must budget for a 27.5% duty burden on the CIF value. This significantly impacts the landed cost of automotive components.
🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
✅ 1. Documentation Checklist (None Can Be Missing)
| Document | Required | Description |
|---|---|---|
| ✅ Commercial Invoice | ✔️ | Must explicitly state: "Aluminum Cylinder Heads for Spark-Ignition Engines, for Use in Tractors (8701) or Motor Vehicles (8702-8704)". |
| ✅ Packing List | ✔️ | Detailed weight and dimensions. |
| ✅ Part Number/OEM Reference | ✔️ | Critical for customs to verify the specific application (Tractor vs. Car). |
| ✅ Engine Type Declaration | ✔️ | Must confirm "Spark-Ignition" (Gasoline). If it’s for Diesel, this HS Code is WRONG. |
| ✅ Material Composition Proof | ✔️ | Certificate stating the head is Aluminum. (Steel heads are classified differently). |
| ✅ Bill of Lading / Airway Bill | ✔️ | Standard shipping documents. |
✅ 2. Declaration Tips (Key Mantra)
🔥 "Spark-Ignition, Aluminum, For Tractors/Vehicles - 27.5% Duty!"
| Scenario | Correct Declaration | Wrong Practice | Consequence |
|---|---|---|---|
| Aluminum Head for Gas Tractor | 8409.91.30.00 |
Misdeclare as "Engine Parts" generic code | Underpayment of duty → Penalties + Back taxes. |
| Steel Head for Gas Tractor | Different Code (e.g., 8409.91.90 or similar depending on material) | Use 8409.91.30.00 |
Material Error → Customs seizure or reclassification. |
| Head for Diesel Engine | Not 8409.91.30.00 (Likely 8409.91.50) |
Use 8409.91.30.00 |
Engine Type Error → 27.5% tax applied to a product that might have a different rate, or simply incorrect classification. |
| Head for Electric Vehicles | N/A (Not for IC Engines) | Use 8409.91.30.00 |
Fundamental Error → Goods rejected/returned. |
✅ 3. Special Handling & Risk Mitigation
| Situation | Handling Advice |
|---|---|
| OEM Custom Heads | Provide the OEM part number and the vehicle model it fits (e.g., "John Deere 5R Series Tractor"). Customs often challenge "general" descriptions. |
| "Other" Vehicles (8702-8704) | Ensure the description explicitly mentions compatibility with 8702, 8703, or 8704 if not strictly for Tractors (8701). The HS Code description covers both. |
| Kit Assembly | If shipped with gaskets/seals, declare as "Cylinder Head Assembly". Do not split into "Head" and "Gasket" to avoid separate classification issues. |
| Value Adjustment | Since the duty is 27.5%, any error in declared value (under-invoicing) leads to high penalty risks. Ensure CIF value (Cost + Insurance + Freight) is accurate. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Duty Rate | Key Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 8409.91.30.00 |
27.5% (2.5% Base + 25% Sec 301) | No special cert, but accurate classification is vital. | High duty due to China origin. |
| 🇨🇳 China | 8409.91.30.00 |
~2.5% - 5% | CCC (if applicable for final vehicle) | Import duty may vary based on specific policy. |
| 🇪🇺 EU | 8409.91.30 (EU 8-digit) |
0% - 4% | CE (for machinery), REACH | No Section 301 equivalent. |
| 🇲🇽 Mexico | 8409.91.30.01 |
0% (under USMCA/T-MEC if eligible) | N/A | Potential for zero duty if local content rules met. |
| 🇯🇵 Japan | 8409.91.30 |
5% - 10% | JIS | Higher base duty than US MFN. |
📌 Conclusion:
- The USA is the most expensive market for these parts due to the 25% Section 301 tariff.
- Mexico offers a strategic advantage if manufacturing or assembly can be done there to qualify for USMCA/T-MEC zero-duty status.
📌 VI. Common Mistakes & Pitfall Guide (Lessons from Tears)
❌ Mistake 1: Declaring "Engine Parts" generally (e.g., 8409.91.90)
👉 Consequence: If customs audits and finds it’s an Aluminum head for Spark-Ignition engines for Tractors, they will reclassify to 8409.91.30.00. If the base rate was lower, you pay back taxes + interest. If higher, penalties apply.
❌ Mistake 2: Ignoring the "Spark-Ignition" requirement
👉 Consequence: If the head is for a Diesel tractor, 8409.91.30.00 is incorrect. Misclassification can lead to audits, fines, and seizure of goods.
❌ Mistake 3: Not disclosing "Aluminum" material
👉 Consequence: If declared as "Cylinder Head" without material, customs may assume Steel (different code). Inconsistent physical inspection leads to delays.
✅ Correct Practice:
"Aluminum Cylinder Head Assembly, For Spark-Ignition Internal Combustion Piston Engines, Intended for Installation in Tractors of Subheading 8701.21-8701.29, Model: XYZ, OEM#: 123456, HS Code: 8409.91.30.00"
🎯 VII. Conclusion: Precise Classification Saves Money!
🎯 Remember the Mantra:
🔹 "Aluminum? Spark-Ignition? Tractors? → 8409.91.30.00!"
🔹 "27.5% Tax on China Origin – Plan Your Budget!"
🔹 "Material & Engine Type Are Key – Don't Guess!"
📌 Pro Tip:
If you are shipping from China to the US, consider:
1. Supply Chain Diversification: Manufacturing in Vietnam, Thailand, or Mexico to avoid the 25% Section 301 tariff.
2. Pre-Ruling: Apply for a Binding Ruling from CBP if you are unsure about the specific application (Tractor vs. Car) to get legal certainty on the HS Code.
📣 Immediate Action:
📞 Contact a professional customs broker + Provide OEM Part Numbers + Verify Engine Type (Spark vs. Compression)
🚀 Ensure your8409.91.30.00declaration is perfect to avoid 27.5% surprise costs!
✨ Professional Clearance Starts with Accurate Classification!
💼 Your Every Cent of Cost Deserves Precise Calculation!
Customer Reviews
About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) — Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) — More specific grouping within the chapter
- Subheading (6 digits) — Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) — Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate — The standard duty rate applied to WTO members
- General rate — Applied to countries without trade agreements
- Trade remedy duties — Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.