Throttle Clamp

🔧 Throttle Clamp (Engine Throttle Body Clamp)

🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Compliance Strategy
📌 1. Product Definition & Classification: What is a "Throttle Clamp"?

A Throttle Clamp (also known as a Hose Clamp, Worm Drive Clamp, or Band Clamp) is a mechanical fastener used to secure a flexible hose to a rigid tube or pipe, typically in automotive, HVAC, or industrial fluid systems. It consists of a band with a threaded screw or cam mechanism that tightens around the assembly.

In international trade, it is not classified as a vehicle part (Chapter 87) or an engine part (Chapter 84) because it is a generic hardware item. It falls under "Articles of Iron or Steel" (Chapter 73).

⚠️ Key Distinction:
- If the clamp is specifically designed and identifiable as a part of a specific vehicle or engine (e.g., molded for a specific BMW model), it might be argued for Chapter 87, but this is rare and risky.
- Standard Practice: Generic metal clamps used for hoses/pipes are classified under 7326.90 (Other articles of iron or steel).

📦 2. HS Code Classification Details (2026 Latest Tariff Alignment)

Based on the provided data, the product is classified under Chapter 73, specifically as "Other articles of iron or steel."

🔍 Critical Note:
- While "Throttle Clamp" is a common term in automotive contexts, US Customs often looks at the function. If it is a simple band tightening a hose, it may fall under 7326.90.86.88 (Other).
- If the clamp has structural features to support the tube (like a bracket), it may be 7326.90.86.30.
- Both codes share the same tariff treatment in this dataset, so the focus is on the 77.9% total tax.

💰 3. 2026 Latest Tariff Rate Breakdown (Detailed Tax Clauses)

✅ Applicable Market: United States (US)
✅ Country of Origin: China (CN) (Implied by the tax structure in DATA)
✅ Effective Date: Current (2026)

🎯 HS Codes: 7326.90.86.30 & 7326.90.86.88

📌 Detailed Explanation of Tax Clauses:
1. Basic Tariff (2.9%): This is the standard most-favored-nation (MFN) duty for iron/steel articles.
2. Section 301 Tariff (25%): This is a retaliatory tariff on Chinese goods. It applies to "Other articles of iron or steel" (7326.90).
3. Section 232 Tariff (50%): This is the critical differentiator. The data explicitly states "Steel, Aluminum, Copper Products Surcharge: 50%". Since throttle clamps are made of steel (usually stainless or carbon steel), they are subject to this additional 50% duty on top of the Section 301 duty.
4. Calculation: The taxes are cumulative, not additive in a simple way, but the result is a 77.9% total tax burden on the CIF value.
- Formula: (1 + 0.029) * (1 + 0.25) * (1 + 0.50) ≈ 1.779 → 77.9%

❌ No De Minimis Exemption:
- This shipment is NOT eligible for the $800 de minimis exemption (Section 321).
- Reason: Section 301 and Section 232 duties do not apply to de minimis shipments. All packages must be formally entered and taxed.

🛠️ 4. Customs Clearance Practical Advice (Pitfall Avoidance)

✅ 1. Required Documentation (Must-Haves)

✅ 2. Classification Strategy & Naming

🔥 Naming Tip:
- Good: "Stainless Steel Worm Drive Hose Clamp, 1-1/2 Inch, for Fluid Transmission"
- Bad: "BMW Throttle Body Clamp" (May raise questions about auto parts classification).
- Best: "Iron/Steel Pipe Support Clamp" (Aligns with 7326.90.86.30) or "Steel Hose Clamp" (Aligns with 7326.90.86.88).

✅ 3. Special Considerations

• Section 232 Exclusions: Check if your specific steel type qualifies for any exclusions. However, for standard hose clamps, exclusions are rare.
• Valuation: Ensure the CIF Value is accurate. With a 77.9% tax, any error in valuation (under-declaring) will result in severe penalties and seizure.
• Alternative Sourcing: If the 77.9% tax is prohibitive, consider sourcing from non-China countries (e.g., Vietnam, Thailand, Mexico) where Section 301 may not apply, though Section 232 may still apply depending on the steel origin.

🌍 5. Global Market Comparison (2026)

📌 Conclusion:
- USA is the most expensive market for steel clamps from China due to the dual-layered tariff (301 + 232).
- Strategy: For US-bound shipments, consider transshipment (risky) or sourcing from Mexico/Vietnam to avoid Section 301.

📌 6. Common Errors & Pitfalls

❌ Error 1: Classifying as "Auto Part" (Ch 87) to avoid Section 301
👉 Consequence: CBP will reclassify to 7326.90, apply 77.9% tax, and issue a penalty for misclassification.

❌ Error 2: Ignoring Section 232
👉 Consequence: Even if Section 301 is disputed, the 50% steel surcharge still applies to most steel articles from China.

❌ Error 3: De Minimis Misuse
👉 Consequence: Packages under $800 will be seized or returned because Section 301/232 duties apply regardless of value.

✅ Correct Approach:

"Declare as Iron/Steel Article of 7326.90, accept 77.9% tax, or restructure supply chain to non-China origin."

🎯 7. Conclusion: Strategic Compliance

🎯 Key Takeaway:

🔹 Throttle Clamps are NOT "Auto Parts" for tariff purposes. They are Steel Articles (7326.90).
🔹 Total Tax is 77.9% (2.9% Basic + 25% Section 301 + 50% Section 232).
🔹 No De Minimis Exemption applies.

📌 Recommendation:
- If you are importing large volumes, negotiate FOB price to absorb the 77.9% tax, or
- Source from Mexico (USMCA eligible) to eliminate Section 301, or
- Consult a Customs Broker for a Pre-Ruling if the product is uniquely designed as an auto part (though unlikely to succeed for generic clamps).

📣 Immediate Action:

📞 Verify Material Composition: Is it steel? Yes? Then 77.9% tax applies.
🚀 Consider Supply Chain Shift: Move sourcing to Vietnam/Mexico to reduce tax burden significantly.

✨ Precision in Classification Saves Millions!
💼 77.9% Tax is a Profit Killer – Act Strategically!