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HSChapter 85
U.S. imports of distributors & ignition coils for internal combustion engines (HS 851130) totaled $42.8M in July 2026, traded with 45 countries.
Importers of Distributors & Ignition Coils for Internal Combustion Engines paid $9.3M in duties in July 2026 — an effective duty rate of 26% on $35.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataDistributors and ignition coils are foundational components of conventional and electronic ignition systems, with the US schedule splitting them into two 10-digit lines: distributors (8511300040) and ignition coils (8511300080). While distributors have largely been displaced by distributorless ignition systems in modern vehicles, they remain widely traded for the classic car restoration and small-engine aftermarket. Ignition coils, by contrast, see robust OEM and aftermarket demand across automotive, motorcycle, and marine segments, and units of Chinese origin are subject to Section 301 tariffs.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
2.3K shipments/mo
Coil-on-plug units that function solely as ignition coils — without an integrated igniter module or other electronic control circuitry that would shift classification — generally remain under 851130 (8511300080). However, integrated ignition modules combining a coil with electronic control functions may be more appropriately classified under a different heading depending on their essential character. A CBP binding ruling is advisable for complex integrated assemblies.
Ignition coils represent substantially higher import volumes than distributors, reflecting the shift to distributorless ignition in modern vehicles. Distributors are primarily imported for the classic and vintage vehicle restoration market, while ignition coils serve both OEM production pipelines and a large aftermarket replacement segment across multiple engine types.
Subheading 4 of 7 in heading 8511
Subheading 851130 · $42.8M of $375.1M
Supplier Network
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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 |
|---|---|---|---|---|---|
| 8511300080 | Ignition Coils for Internal Combustion Engines | $42.2M | 21.61% | 82.58% | $9.1M |
| 8511300040 | Distributors | $599K | 32.52% | 98.25% | $195K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8511300080 | Ignition Coils for Internal Combustion Engines | $16.0M |
| 8511300040 | Distributors | $4.0M |
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
$42.8MYoY · Pro
Exports
$19.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
China and Japan together supply 49% of it.
customs district
destination
entry
rate provision · imports
15.7% enters free of duty; the effective duty rate is 21.76%.