高压油嘴
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 8481809050 | 37.0% | CN | US | Official Doc |
| 8421290005 | 35.0% | CN | US | Official Doc |
| 8481909085 | 85.0% | CN | US | Official Doc |
AI Analysis
⛽ High-Pressure Fuel Injector (High-Pressure Nozzle)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Level Clearance Strategy
📌 I. Product Definition & Classification: Do You Really Understand the "High-Pressure Fuel Injector"?
The high-pressure fuel injector is a critical component in modern fuel injection systems, particularly in diesel engines and direct injection gasoline engines. Its function is to precisely spray fuel into the combustion chamber under high pressure. In international trade, due to its specific structural characteristics and functional versatility, it is often classified into different categories depending on its primary function and accompanying components.
Key Distinction Points:
- If the injector is viewed as part of the valve/nozzle mechanism for fluid control in pipes/tanks → Classified under Chapter 84.81
- If the injector is viewed as a mechanical fluid handling device (pure injection function) → Classified under Chapter 84.21
- If the injector is considered a general spare part for valves/nozzles without specific classification → Classified under Chapter 84.81 (84.81.90) as a "catch-all"
⚠️ Critical Note:
- Misclassification can lead to significant tariff differences (from 35% to 85%).
- The "Total Tax Rate" includes Base Tariff + Section 301 Tariff (25%) + Section 122 Tariff (10%).
- Steel/Aluminum/Copper products may face an additional 50% tariff under Section 122.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Functional Interpretation | Base Tariff | Additional Tariffs (301 + 122) | Total Tax Rate |
|---|---|---|---|---|---|
| 8481.80.90.50 | Fuel Injectors in Pipe/Fuel Systems | Treated as piping/fuel system喷射器具 (spraying appliances), functionally consistent with valves | 2.0% | 25% (Sec 301) + 10% (Sec 122) | 37.0% |
| 8421.29.00.05 | Mechanical Parts: Fluid Spraying Devices | Treated as mechanical components for fluid processing, compatible with liquid treatment devices | 0.0% | 25% (Sec 301) + 10% (Sec 122) | 35.0% |
| 8481.90.90.85 | Spare Parts for Valves/Nozzle Devices | Treated as general spare parts ("catch-all") for valves or nozzle devices | 0.0% | 25% (Sec 301) + 10% (Sec 122) + 50% (Steel/Al/Cu Sec 122) | 85.0% |
🔍 Key Reminder:
- 8481.80.90.50 is the most direct classification for injectors functioning as fuel system components.
- 8421.29.00.05 applies if the device is purely a mechanical fluid spray unit without valve-like functions.
- 8481.90.90.85 is the riskiest category due to the potential 50% additional tariff for metal products, leading to a total of 85%.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Additional Taxes)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: Current rates apply
🎯 1. 8481.80.90.50 —— Fuel Injectors in Piping/Fuel Systems
| Item | Detail |
|---|---|
| Base Tariff | 2.0% |
| Section 301 Tariff | +25% |
| Section 122 Tariff | +10% |
| Total Tax Rate | 37.0% |
| Tax Calculation | CIF Value × 37% |
| De Minimis Exemption | ❌ Not Applicable |
| Legal Basis | Base Rate 2% + Sec 301 (25%) + Sec 122 (10%) |
📌 Explanation:
- This is the most common and moderate classification for fuel injectors.
- It assumes the injector is a functional unit within the fuel delivery system.
- Total tax burden is manageable compared to other categories.
🎯 2. 8421.29.00.05 —— Mechanical Parts: Fluid Spraying Devices
| Item | Detail |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Tariff | +25% |
| Section 122 Tariff | +10% |
| Total Tax Rate | 35.0% |
| Tax Calculation | CIF Value × 35% |
| De Minimis Exemption | ❌ Not Applicable |
| Legal Basis | Base Rate 0% + Sec 301 (25%) + Sec 122 (10%) |
📌 Explanation:
- This classification offers the lowest total tax rate (35%).
- It applies if the injector is strictly viewed as a "mechanical fluid handling device" rather than a valve.
- Requires strong technical justification to support this classification during customs declaration.
🎯 3. 8481.90.90.85 —— Spare Parts for Valves/Nozzle Devices
| Item | Detail |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Tariff | +25% |
| Section 122 Tariff (Standard) | +10% |
| Section 122 Tariff (Metal Products) | +50% (if Steel/Aluminum/Copper) |
| Total Tax Rate | 85.0% (Worst Case) |
| Tax Calculation | CIF Value × 85% |
| De Minimis Exemption | ❌ Not Applicable |
| Legal Basis | Base Rate 0% + Sec 301 (25%) + Sec 122 (10% + 50% for metals) |
📌 Explanation:
- This is the highest risk category.
- If the injector is made of steel, aluminum, or copper, the Section 122 tariff adds an additional 50%, resulting in a total of 85%.
- Avoid this classification unless absolutely necessary, as it can devastate profit margins.
🛠️ IV. Customs Clearance Practical Advice (Pitfall Avoidance Guide)
✅ 1. Preparation Checklist (Essential Documents)
| Document | Required | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must include flow rate, pressure rating, nozzle type, material composition |
| ✅ Technical Diagrams | ✔️ | Show internal structure to prove if it functions as a valve or simple sprayer |
| ✅ Product Photos | ✔️ | Clear images of the injector, including model number and material labels |
| ✅ Material Certificate | ✔️ | Crucial to prove if it contains Steel/Al/Copper to avoid the 50% metal tariff |
| ✅ Commercial Invoice | ✔️ | Must clearly state "Fuel Injector" or "Fluid Spraying Device" |
| ✅ Packing List | ✔️ | Separate line items for injectors and accessories |
✅ 2. Declaration Strategy (Key Principles)
🔥 “Define Function, Avoid Metal Penalties, Choose Lowest Rate!”
| Scenario | Recommended HS Code | Reason | Risk |
|---|---|---|---|
| Standard Fuel Injector | 8481.80.90.50 |
Directly matches "piping/fuel system spraying appliance" | Low Risk |
| Mechanical Spray Unit (No Valve Function) | 8421.29.00.05 |
Lowest base rate (0%), total 35% | Medium Risk (needs justification) |
| Generic Spare Part | 8481.90.90.85 |
AVOID | High Risk (85% if metal) |
📌 Advice:
- Always try to justify 8421.29.00.05 (35%) or 8481.80.90.50 (37%) over 8481.90.90.85 (85%).
- If the injector is made of steel/aluminum/copper, explicitly declare the material to trigger the correct Section 122 tariff, but prefer classifications with lower base rates if possible.
✅ 3. Special Cases
| Situation | Handling Advice |
|---|---|
| Injector made of Plastic/Ceramic | May avoid the 50% metal tariff under Section 122, reducing total tax on 8481.90.90.85 to 35%. However, 8421.29.00.05 is still safer. |
| Complete Injector Assembly (with ECU) | If integrated with electronic control, consider if it qualifies for a different chapter (e.g., Electrical Machinery), but for pure mechanical injectors, stick to 84.x. |
| OEM Replacement Parts | Provide original manufacturer documentation to support the intended use (fuel injection). |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Total Tariff (China Origin) | Notes |
|---|---|---|---|
| 🇺🇸 USA | 8421.29.00.05 or 8481.80.90.50 |
35% - 37% | Avoid 8481.90.90.85 due to 85% rate |
| 🇨🇳 China | 8421.29.00.05 or 8481.80.90.50 |
Varies | Check local import duties |
| 🇪🇺 EU | 8481.80.90 |
Low/0% (Depending on FTA) | No Section 301/122 tariffs |
| 🇯🇵 Japan | 8421.29.00 |
Low | Check specific JETRO guidelines |
📌 Conclusion:
- The US is the most critical market due to high additional tariffs.
- Accurate classification is vital to save 50% in tax costs.
- Always aim for 35%-37% range.
📌 VI. Common Mistakes & Pitfalls (Blood & Tears Lessons)
❌ Mistake 1: Classifying as 8481.90.90.85 without checking material
👉 Consequence: If made of steel/aluminum, you pay 85% tax instead of 35-37%. Huge loss!
❌ Mistake 2: Declaring as "Valve" when it's an "Injector"
👉 Consequence: Customs may reclassify or demand additional documentation, causing delays.
❌ Mistake 3: Ignoring Section 122 Metal Tariffs
👉 Consequence: Failure to declare material composition can lead to penalties and back-taxes.
❌ Mistake 4: Using vague descriptions like "Nozzle"
👉 Consequence: Customs may apply the highest possible duty rate.
✅ Correct Approach:
"High-Pressure Fuel Injector, Diesel Engine Component, Stainless Steel, Model XYZ, For Direct Injection System"
🎯 VII. Conclusion: Professional Declaration Saves Money!
🎯 Remember the Rule:
🔹 “Function First, Material Second, Avoid 85%, Aim for 35%!”
🔹 “HS Code determines the fate; a 50% difference is a profit killer.”
📌 Pro Tip:
- If your injector is made of non-metal materials (e.g., advanced composites), you may avoid the 50% metal tariff.
- Consider applying for an Advance Ruling from US Customs to lock in the 35% or 37% rate before shipping.
📣 Take Action Now:
📞 Contact a professional customs broker + Provide technical specs + Apply for HS Code Advance Ruling
🚀 Clear Customs Smoothly, Maximize Profits, Reduce Costs!
✨ Professional Clearance Starts with Precise Classification!
💼 Every cent saved is profit gained!
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.