Harmonized System
U.S. imports of metallic gaskets and similar joints of metal sheeting combined with other material (HS 848410) totaled $34.8M in August 2026, imported from 52 countries.
Importers of Metallic Gaskets and Similar Joints of Metal Sheeting Combined with Other Material paid $3.0M in duties in August 2026, an effective tariff rate of 8.51% of the $34.8M imported — duty actually collected as a share of that value, not the published tariff schedule.
Last updated: August 2026 dataGaskets combining metal sheeting with non-metallic layers — such as head gaskets used in internal combustion engines — are a critical sealing solution for automotive and industrial OEM and aftermarket supply chains, with Mexico and Japan leading US import supply. All imports under this heading fall under a single 10-digit line (8484100000), so classification disputes typically center on whether an article qualifies as a metallic composite gasket versus a purely non-metallic seal (heading 8484.90) or a mechanical seal (8484.20). The automotive sector's reliance on just-in-time delivery makes supplier concentration and lead-time risk particularly relevant for procurement planners sourcing from Mexico and Japan.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
2.8K shipments/mo
Heading 8484.10 covers gaskets made of metal sheeting combined with other material (e.g., a steel layer bonded to a fiber or elastomer layer) or of two or more layers of metal. A gasket composed entirely of non-metallic material — rubber, cork, or fiber alone — would fall outside this heading. The presence of at least one metal layer that is integral to the sealing function is the key structural criterion.
Although China is not among the top suppliers under this heading, importers sourcing metallic gaskets from China should verify whether Section 301 tariffs apply to the specific 10-digit line 8484100000, as coverage can shift. For the leading sources — Mexico and Japan — no broad trade-remedy measures currently apply to this product, though USMCA origin requirements should be confirmed for Mexican-origin goods.
HSChapter 84
Trade Directory
List your company under HS 848410 — Metallic Gaskets and Similar Joints of Metal Sheeting Combined with Other Material, so the companies trading it can find you. Be the first supplier listed.
Subheading 1 of 3 in heading 8484
Subheading 848410 · $34.8M of $82.1M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8484100000 | Gaskets,Metal,2 or More Layers,or With Other Matl | $34.8M | 8.51% | 65.36% | $3.0M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8484100000 | Gaskets,Metal,2 or More Layers,or With Other Matl | $35.8M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$34.8MYoY · free account
Exports
$35.8MYoY · free account
12-mo low · imports
YoY · free accountOver the twelve months to August 2026, the U.S. imported $373.8M of Metallic Gaskets and Similar Joints of Metal Sheeting Combined with Other Material.
Through August 2026. Source: U.S. Census Bureau.
Imports · August 2026
origin
Mexico and Japan together supply 42% of it. China pays 38.5% duty; Mexico 0.7%.
customs district
destination
entry
rate provision · imports
34.2% enters free of duty; duty collected equals 8.51% of total import value.