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HSChapter 85
U.S. imports of electrical sound signaling equipment for motor vehicles & cycles (HS 851230) totaled $15.1M in April 2026, traded with 28 countries.
Importers of Electrical Sound Signaling Equipment for Motor Vehicles & Cycles paid $1.7M in duties in April 2026 — an effective duty rate of 15% on $11.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataElectric horns, radar detectors, and other acoustic signaling devices for motor vehicles and cycles occupy a commercially distinct niche within automotive electronics, with Japan and the Philippines leading US supply under this heading. The US tariff schedule separates electric horns (8512300020), radar detectors (8512300030), and residual sound signaling equipment (8512300040 and 8512300050), making product-level classification important — particularly for radar detectors, which face additional regulatory scrutiny in some jurisdictions. South Korea and Mexico are also notable sources, reflecting both OEM-tier and aftermarket supply channels.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Radar detectors (8512300030) are not subject to a blanket federal import prohibition in the US, but their sale or use is regulated at the state level, and commercial vehicle operators face federal restrictions. Importers should also verify FCC equipment authorization requirements, as radar detectors must comply with applicable radio frequency regulations before they can be marketed in the US.
Electric horns (8512300020) are dedicated acoustic warning devices that produce a single-tone or multi-tone alert signal, typically for traffic safety. The NESOI sound signaling lines cover other acoustic devices — such as backup alarms, proximity warning systems, or multi-function alert units — that do not meet the specific description of a horn. Classification should be based on the device's primary design function and construction.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $1.5M | $3.7M | +$2.2M |
| MEXICO | $1.6M | $2.7M | +$1.1M |
| JAPAN | $2.6M | $43K | -$2.6M |
| INDONESIA | $2.3M | -- | -$2.3M |
| PHILIPPINES | $1.9M | -- | -$1.9M |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8512300040 | SIGNALING EQUIP FOR MOTOR VEHICLES OR CYCLES,NESOI | $8.1M | 10.05% | $476K |
| 8512300020 | ELECTRIC HORNS FOR MOTOR VEHICLES | $4.1M | 23.21% | $874K |
| 8512300030 | RADAR DETECTORS OF A KIND USED IN MOTOR VEHICLES | $2.9M | 13.33% | $385K |
SIGNALING EQUIP FOR MOTOR VEHICLES OR CYCLES,NESOI
ELECTRIC HORNS FOR MOTOR VEHICLES
RADAR DETECTORS OF A KIND USED IN MOTOR VEHICLES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8512300050 | SOUND SIGNALING EQUIPMENT FOR MTR VHL/CYCLES | $8.2M |
| 8512300030 | RADAR DETECTORS OF A KIND USED IN MOTOR VEHICLES | $245K |
SOUND SIGNALING EQUIPMENT FOR MTR VHL/CYCLES
458.6K no
RADAR DETECTORS OF A KIND USED IN MOTOR VEHICLES
1.5K no
MACH FOR RECP/CONVR/TRANS/REGN OF VOICE/IMAGE/DATA
HS 851762
SOLID-STATE NON-VOL SEMICONDUCTOR STORAGE DEVICES
HS 852351
SMARTPHONES
HS 851713
PROCESSORS AND CONTROLLERS, ELECTRONIC INTEG CIRCT
HS 854231
CONTROLS ETC W ELECT APPR F ELECT CONT NOV 1000 V
HS 853710
STATIC CONVERTERS; ADP POWER SUPPLIES
HS 850440
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $4.9M | -- | -$4.9M |
| DETROIT, MI | $1.6M | $2.3M | +$724K |
| LAREDO, TX | $1.4M | $1.1M | -$317K |