Valve Cap
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 8409915085 | 37.5% | CN | US | Official Doc |
| 8409919990 | 37.5% | CN | US | Official Doc |
| 8708295160 | 0.0% | CN | US | Official Doc |
| 8708295110 | 0.0% | CN | US | Official Doc |
| 8708295110 | 0.0% | CN | US | Official Doc |
Product Images
AI Analysis
⚙️ Valve Cover (气门室盖)
🌐 HS Code Reference & Clearance Guide | 2026 Latest Tariff Analysis | Professional Customs Strategy
📌 I. Product Definition & Classification: Do You Really Understand "Valve Covers"?
The Valve Cover (also known as Valve Tappet Cover) is a critical component of the internal combustion engine, specifically designed for spark-ignition engines (gasoline engines). It serves as the upper housing for the valve train, sealing the top of the cylinder head to prevent oil leaks and keep debris out.
In international trade, classification depends heavily on the material, form, and specific engine application:
1. Engine Parts (Chapter 84): - If the part is clearly identified as a component of the engine itself, regardless of whether it's metal or composite, it generally falls under Heading 84.09. - This is the default preference for mechanical parts specific to the engine's operation.
2. Vehicle Parts (Chapter 87): - If classified as a general part of the motor vehicle rather than the engine specifically, it may fall under Heading 87.08. - This category includes "Parts and accessories of the motor vehicles of heading 87.01 to 87.05."
⚠️ Key Distinction Point:
- 84.09 Category: Focuses on the part being integral to the engine's function (e.g., camshaft bearings, cylinder heads). Valve covers are widely considered engine parts here due to their direct mechanical role. - 87.08 Category: Focuses on the part being a vehicle component. Some customs authorities might classify stamped metal covers under "Other parts" of the vehicle. - Material Impact: Aluminum or steel valve covers often attract additional "122 Clause" tariffs (10-50%) if classified under 87.08, whereas 84.09 tariffs are more standardized but still high due to trade tensions.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Application Scenario | Classification Logic |
|---|---|---|---|
8409.91.50.85 |
Parts of engines: Cylinder heads, crankcases, crankshafts, camshafts, cylinder blocks, other parts | Engine-specific components; metal/composite materials | ✅ Engine Part Preference: Matches default principle for "parts of engines." |
8409.91.99.90 |
Other parts of engines for spark-ignition engines | General engine parts with no specific sub-heading conflict | ✅ No Material Conflict: Broad category for engine components not listed elsewhere. |
8708.29.51.60 |
Parts of vehicles: Body or engine parts; Other parts and accessories | Vehicle-level components; specifically Steel, Aluminum, Copper items | ⚠️ Material Penalty: High additional tariffs (50%) for metal items under 122 Clause. |
8708.29.51.10 |
Parts of vehicles: Other parts and accessories | Stamped or cast metal/composite vehicle parts | ✅ Component Principle: Fits "parts and accessories" but lacks material specificity for high penalties. |
8708.29.51.10 |
Parts of vehicles: Mechanical structural components | Metal (stamped) structural parts | ✅ Mechanical Structure: Matches stamped metal attributes, no conflict. |
🔍 Key Reminder:
- 84.09 Codes (8409.91.50.85,8409.91.99.90): Treat the valve cover as an engine part. Lower base tariff (2.5%), but still subject to additional duties. - 87.08 Codes (8708.29.51.60,8708.29.51.10): Treat the valve cover as a vehicle part. Risk of 50% additional tariff if made of steel/aluminum/copper (Code.60). Lower risk if generic (Code.10). - Material Matters: Aluminum and Steel valve covers are high-risk for 122 Clause penalties if classified under 87.08.
💰 III. 2026 Latest Tariff Rate Details (Including Surtaxes, Policy Add-ons)
✅ Applicable Country: USA (US)
✅ Origin: China (CN)
✅ Effective Date: 2025/2026 (Post-trade war adjustments)
🎯 1. 8409.91.50.85 & 8409.91.99.90 —— Engine Parts (Chapter 84)
| Item | Content |
|---|---|
| Base Tariff | 2.5% |
| Section 301 Surcharge | 25.0% |
| Section 122 Surcharge | 10% |
| Total Tariff Rate | 37.5% |
| Tax Calculation | CIF Value × 37.5% |
| De Minimis Exemption | ❌ Not Eligible (deny_de_minimis) |
| Legal Basis Path | Base: 2.5% → USITC Footnote 301: 25% → IEEPA/122 Clause: 10% |
📌 Explanation:
- "Base 2.5%": Standard Most Favored Nation (MFN) rate for engine parts. - "Section 301 (25%)": The primary trade war tariff on Chinese mechanical parts. - "122 Clause (10%)": Additional tariff targeting specific Chinese goods, including certain engine components. - Total 37.5%: A heavy but predictable rate. This classification is safer regarding the 50% metal penalty seen in Chapter 87.
🎯 2. 8708.29.51.60 —— Vehicle Parts (Steel/Aluminum/Copper) (Chapter 87)
| Item | Content |
|---|---|
| Base Tariff | 2.5% |
| Section 301 Surcharge | 25.0% |
| Section 122 Surcharge (Metal) | 50% |
| Total Tariff Rate | 2.5% + 85.0% = 87.5% |
| Tax Calculation | CIF Value × 87.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | Base: 2.5% → 301: 25% → 122 Clause (Steel/Al): 50% |
📌 Warning:
- If your valve cover is Aluminum or Steel, and you use Code.60, you hit the maximum penalty tier. - This code explicitly targets "Steel, Aluminum, Copper products" with an extra 50% levy. - Avoid this code unless necessary; it is extremely costly.
🎯 3. 8708.29.51.10 —— Vehicle Parts (General/Stainless/Composite) (Chapter 87)
| Item | Content |
|---|---|
| Base Tariff | 2.5% |
| Section 301 Surcharge | 25.0% |
| Section 122 Surcharge | 10% |
| Total Tariff Rate | 2.5% + 35.0% = 37.5% |
| Tax Calculation | CIF Value × 37.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | Base: 2.5% → 301: 25% → 122 Clause: 10% |
📌 Note:
- This code applies to "Other parts" that do not trigger the 50% metal penalty (e.g., composite materials, or specific non-ferrous alloys not listed under the strict 122 metal list). - Rate Match: Same total rate (37.5%) as Chapter 84, but classification risk differs.
🛠️ IV. Customs Clearance Practical Advice (Combat Pitfall Guide)
✅ 1. Preparation Checklist (Missing Documents = Delay)
| Material | Mandatory? | Explanation |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must state: Material (Aluminum/Steel/Composite), Engine Type (Spark-Ignition), Application Model. |
| ✅ Technical Drawing | ✔️ | To prove it is an engine part (internal sealing, valve access) rather than a generic vehicle cover. |
| ✅ Product Photos (with Label) | ✔️ | Clear view of part number, material marking, and installation orientation. |
| ✅ Commercial Invoice | ✔️ | Description should read: "Valve Cover, Aluminum, for Spark-Ignition Engine, Model XYZ." |
| ✅ Bill of Lading/Packing List | ✔️ | Ensure packaging reflects the item correctly; no mixing with non-engine parts. |
| ✅ Origin Certificate | ✔️ | Required for trade war tariff assessments. |
✅ 2. Declaration Tips (Key Mantras)
🔥 "Engine First, Material Second, Name Precise, Tax Lower!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Standard Aluminum/Steel Valve Cover | 8409.91.50.85 or 8409.91.99.90 (Engine Part) |
Using 8708.29.51.60 → 87.5% Tax! |
| Composite/Plastic Valve Cover | 8409.91.99.90 |
Using vehicle codes unnecessarily. |
| Valve Cover + Gasket Kit | Declare as Set if sold together | Splitting declaration → Potential reclassification. |
| Generic "Auto Part" Label | Specific: "Engine Valve Cover" | Vague: "Car Part" → High scrutiny. |
📌 Critical Insight:
- Prefer Chapter 84 (8409.91.xxxx) for valve covers. The justification is stronger: it is a functional part of the engine's sealing system. - Avoid Chapter 87.08 unless the part is clearly a body accessory. If using 87.08, ensure the code is.10(37.5%) and NOT.60(87.5%).
✅ 3. Special Situation Handling
| Situation | Handling Advice |
|---|---|
| Aluminum Valve Covers | High Risk for 122 Clause. Use 8409 to avoid the 50% metal penalty if possible. |
| Stamped Metal vs. Cast | Both are engine parts. Ensure documentation shows it fits the cylinder head directly. |
| OEM Custom Parts | Provide OEM drawings to prove it is an engine-specific component, not a generic vehicle part. |
| Used/Remanufactured Parts | Subject to stricter inspection; ensure cleanliness and compliance with environmental standards. |
🌍 V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate | Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 8409.91.50.85 |
37.5% | None specific | Avoid 8708.29.51.60 (87.5%). |
| 🇨🇳 China | 8409.91.99.90 |
2.5% - 9% | CCC (if applicable) | Lower import duties; focus on quality. |
| 🇪🇺 EU | 8409.91.90 |
0% - 4% | CE, REACH | Favorable for engine parts. |
| 🇲🇽 Mexico | 8409.91.99 |
5% - 15% | NOM | USMCA may apply if assembled in North America. |
| 🇻🇳 Vietnam | 8409.91.90 |
5% - 10% | None | Potential supply chain alternative. |
📌 Conclusion:
- USA is the highest cost market due to Section 301 and 122 Clauses. - Chapter 84 (8409) is the safest and most cost-effective classification for Valve Covers entering the US, keeping total duty at 37.5% rather than jumping to 87.5%. - Avoid Aluminum/Steel penalties by not using the specific metal-targeted subheadings in Chapter 87.
📌 VI. Common Errors & Pitfall Guide (Lessons Learned)
❌ Error 1: Classifying Aluminum Valve Covers under 8708.29.51.60
👉 Consequence: 87.5% Total Tariff (2.5% base + 25% 301 + 50% 122 Metal).
💡 Fix: Reclassify to 8409.91.50.85 for 37.5%.
❌ Error 2: Vague Description "Auto Engine Cover"
👉 Consequence: Customs may reject the 84.09 classification and default to a higher general duty.
💡 Fix: Use precise terms: "Valve Cover, Spark-Ignition Engine, Aluminum."
❌ Error 3: Ignoring Material Composition
👉 Consequence: Misclassification triggers unnecessary audits or penalties.
💡 Fix: Explicitly state material (Aluminum, Steel, Composite) in invoice.
✅ Correct Declaration Example:
"VALVE COVER, ALUMINUM, FOR SPARK-IGNITION INTERNAL COMBUSTION ENGINE, O.E.M. PART NO. XYZ, BRAND: ABC"
🎯 VII. Conclusion: Professional Classification, Cost Optimization!
🎯 Remember the Mantra:
🔹 "Engine Part First, Avoid Metal Penalty in Ch.87."
🔹 "37.5% is the goal, 87.5% is the trap."
🔹 "HS Code 8409 is your shield against the 50% surcharge."
📌 Pro Tip:
If you are shipping to the US and your valve covers are Aluminum, prioritize 8409.91.50.85 or 8409.91.99.90.
Request a Pre-Ruling (Advance Ruling) from CBP if unsure, to lock in the 37.5% rate and avoid post-import audits.
📣 Immediate Action:
📞 Consult a licensed Customs Broker
📄 Prepare Technical Specs Proving Engine Attachment
🚀 Secure the 37.5% rate, avoid the 87.5% trap.
✨ Precise Classification, Protected Margins!
💼 Every Percent of Tariff Saved is Pure Profit!
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.