HS Code for Master Cylinder Assemblies (US)
PRIMARY CLASSIFICATION RESULT (US)
The primary 6-digit Harmonized System (HS) code for master cylinder assemblies is 8413.91 (Parts, Of pumps). Under the 2026 US HTS, representative general duties are 2.5% [Official Source].
Classification guidance note.
Candidate Subheadings & Disambiguation Matrix
| HS Subheading | WCO Subheading Description | Disambiguation Rule / Notes | Action |
|---|---|---|---|
| 8413.91 | Parts, Of pumps | Parts, Of pumps | View 8413.91 → |
Official Primary Sources & Authority References
USITC HTS Database ↗
USITC official Harmonized Tariff Schedule for Master Cylinder Assemblies.
CBP CROSS Rulings ↗
CBP e-Rulings database for Master Cylinder Assemblies classification precedents.
WCO Nomenclature ↗
World Customs Organization international 6-digit Harmonized System standard.
Master Cylinder Assemblies Frequently Asked Questions (FAQ)
What is the official 6-digit HS code for Master Cylinder Assemblies?
The primary 6-digit Harmonized System (HS) code for Master Cylinder Assemblies is HS 8413.91 (Parts, Of pumps).
What is the US general import duty for Master Cylinder Assemblies?
Under the 2026 US HTS, representative MFN general duty rates for Master Cylinder Assemblies under HS 8413.91 are 2.5%.
Are there alternative candidate subheadings for Master Cylinder Assemblies?
Yes. Depending on state (green vs. roasted, decaffeinated vs. non-decaffeinated, raw vs. processed), alternative subheadings include 841391.
What mandatory import documents are required for Master Cylinder Assemblies?
Commercial Invoice, Packing List, Bill of Lading, and Partner Government Agency permits where applicable.
Does de minimis duty-free exemption apply to Master Cylinder Assemblies?
Eligible shipments enter duty-free under statutory destination thresholds.
How are merchandise processing and customs fees calculated for Master Cylinder Assemblies?
Import fees are assessed on entered customs value under destination regulations.