HS Code for Automotive Oil Filter (US)
PRIMARY CLASSIFICATION RESULT (US)
The primary 6-digit Harmonized System (HS) code for automotive oil filter is 8421.23 (Filtering or purifying machinery and apparatus for liquids, Oil or fuel filters for internal combustion engines). 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 |
|---|---|---|---|
| 8421.23 | Filtering or purifying machinery and apparatus for liquids, Oil or fuel filters for internal combustion engines | Filtering or purifying machinery and apparatus for liquids, Oil or fuel filters for internal combustion engines | View 8421.23 → |
Official Primary Sources & Authority References
USITC HTS Database ↗
USITC official Harmonized Tariff Schedule for Automotive Oil Filter.
CBP CROSS Rulings ↗
CBP e-Rulings database for Automotive Oil Filter classification precedents.
WCO Nomenclature ↗
World Customs Organization international 6-digit Harmonized System standard.
Automotive Oil Filter Frequently Asked Questions (FAQ)
What is the official 6-digit HS code for Automotive Oil Filter?
The primary 6-digit Harmonized System (HS) code for Automotive Oil Filter is HS 8421.23 (Filtering or purifying machinery and apparatus for liquids, Oil or fuel filters for internal combustion engines).
What is the US general import duty for Automotive Oil Filter?
Under the 2026 US HTS, representative MFN general duty rates for Automotive Oil Filter under HS 8421.23 are 2.5%.
Are there alternative candidate subheadings for Automotive Oil Filter?
Yes. Depending on state (green vs. roasted, decaffeinated vs. non-decaffeinated, raw vs. processed), alternative subheadings include 842123.
What mandatory import documents are required for Automotive Oil Filter?
Commercial Invoice, Packing List, Bill of Lading, and Partner Government Agency permits where applicable.
Does de minimis duty-free exemption apply to Automotive Oil Filter?
Eligible shipments enter duty-free under statutory destination thresholds.
How are merchandise processing and customs fees calculated for Automotive Oil Filter?
Import fees are assessed on entered customs value under destination regulations.