





🚨 Sound the Safety Signal with HELLA’s Trumpet Horn Kit!
The HELLA 940800821 Black 24V BX Trumpet Horn Kit delivers a powerful 110 dB dual-tone alert (510Hz & 410Hz) designed for universal vehicle fit. Engineered with German precision and backed by over a century of automotive innovation, this durable, sleek horn kit ensures maximum safety and standout style on the road.













| Brand | Hella | 
| Color | Black | 
| Item dimensions L x W x H | 7.68 x 3.54 x 4.72 inches | 
| Style | Modern | 
| Noise Level | 110 dB | 
| OEM Part Number | 940800821 | 
| Automotive Fit Type | Vehicle Specific Fit | 
| Manufacturer | HELLA | 
| UPC | 760687164197 | 
| Global Trade Identification Number | 04082300558913 | 
| Model | 940800821 | 
| Item Weight | 1.4 pounds | 
| Product Dimensions | 7.68 x 3.54 x 4.72 inches | 
| Item model number | 940800821 | 
| Exterior | Machined | 
| Manufacturer Part Number | 3FH 940 800-821 | 
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