Hella 012588291 Horn

HELLA 012588291 Horn for European Vehicle Fitment

The HELLA 012588291 horn delivers a 115 dB high-tone alert with a 12V electric design for clear, immediate sound output. Built as a standard replacement horn, it is made for drivers who need dependable signaling on the road in Volkswagen, Audi, BMW, and Mercedes-Benz applications.

Key Features

• 12V electric horn with 115 dB sound level
• High-tone signal at 400 Hz for clear audible warning
• Bracket mount design with M8 mounting screw
• Blade terminals, 2 terminals, 1 connector
• IP65 housing protection for harsh-weather use
• ECE-R28 approved and ECE Regulation R28 compliant
• Operating range from -40°C to 90°C
• Red and black housing, 3.85 in. diameter

Detailed Description

HELLA 012588291 is an electric disc horn engineered for direct replacement use on a wide range of European vehicles. Its 115 dB output and 400 Hz frequency range provide a strong, recognizable warning tone, while the IP65-rated housing helps protect the unit from dust and moisture exposure. This horn is ECE approved and marked to ECE-R28 standards, making it a practical choice for drivers restoring factory-style signaling performance on models such as Volkswagen Beetle, Volkswagen Golf, Audi A4, BMW 325i, and Mercedes-Benz 300E. This part number, 012588291, is also referenced across multiple OE-style applications for the same horn category.

What This Horn Helps Solve

• Weak or failed factory horn output
• Intermittent horn operation caused by worn internal components
• Reduced audible warning in traffic or low-visibility conditions
• Replacement needs for ECE-approved horn applications
• Restoration of signaling performance on older European vehicles

Installation Notes and Tips

Install using the bracket mount and M8 mounting screw location specified for the vehicle. Verify 12V system voltage, blade terminal orientation, and connector count before installation. Because the product notes indicate assembly/disassembly by qualified personnel is required, follow the included step-by-step mounting instructions and confirm proper horn tone after installation. Compatible With 1998-2003 Volkswagen Beetle, N/A; 1985-2003 Volkswagen Golf, N/A; 1996-1997 Audi A4, N/A; 1987-1994 BMW 325i, N/A; and 1986-1989 Mercedes-Benz 300E, N/A.

Quality Assurance

HELLA supplies durable electrical components built for demanding road use, and this horn is specified with ECE-R28 homologation, IP65 protection, and a standard replacement grade. Part number 012588291 is built for consistent signaling performance across the listed fitments.