HS Code for Spark Plug Gaskets (US)
PRIMARY CLASSIFICATION RESULT (US)
The primary 6-digit Harmonized System (HS) code for spark plug gaskets is 8511.90 (Parts). Under the 2026 US HTS, representative general duties are 3.1% [Official Source].
Classification guidance note.
Candidate Subheadings & Disambiguation Matrix
| HS Subheading | WCO Subheading Description | Disambiguation Rule / Notes | Action |
|---|---|---|---|
| 8511.90 | Parts | Parts | View 8511.90 → |
Official Primary Sources & Authority References
USITC HTS Database ↗
USITC official Harmonized Tariff Schedule for Spark Plug Gaskets.
CBP CROSS Rulings ↗
CBP e-Rulings database for Spark Plug Gaskets classification precedents.
WCO Nomenclature ↗
World Customs Organization international 6-digit Harmonized System standard.
Spark Plug Gaskets Frequently Asked Questions (FAQ)
What is the official 6-digit HS code for Spark Plug Gaskets?
The primary 6-digit Harmonized System (HS) code for Spark Plug Gaskets is HS 8511.90 (Parts).
What is the US general import duty for Spark Plug Gaskets?
Under the 2026 US HTS, representative MFN general duty rates for Spark Plug Gaskets under HS 8511.90 are 3.1%.
Are there alternative candidate subheadings for Spark Plug Gaskets?
Yes. Depending on state (green vs. roasted, decaffeinated vs. non-decaffeinated, raw vs. processed), alternative subheadings include 851190.
What mandatory import documents are required for Spark Plug Gaskets?
Commercial Invoice, Packing List, Bill of Lading, and Partner Government Agency permits where applicable.
Does de minimis duty-free exemption apply to Spark Plug Gaskets?
Eligible shipments enter duty-free under statutory destination thresholds.
How are merchandise processing and customs fees calculated for Spark Plug Gaskets?
Import fees are assessed on entered customs value under destination regulations.