Audi A6 C7 A7 A8 D4 Horn Alarm Siren High Low Tone Set 4H0951229A

Audi A6 C7 A7 A8 D4 Horn Alarm Siren High Low Tone Set is an original component from the Horns category, designed for factory installations in high-end Audi models. The use of a complete high and low tone horn set ensures clear, audible warnings for other road users and maintains compliance with the manufacturer's factory standards. This is a solution for users who expect consistency with the vehicle's electrical system and predictable performance parameters.

Specifications and technical data

• SKU: 4H0951229A-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0951229A
• Substitutable numbers: 4H0951229A, 4H0 951 229 A, 4H0 951 221, 4H0951221, 4H0 951 223, 4H0951223
• Part type: Electric Horn
• Category: Horns

Purpose and compatibility

The presented horn is designed as a factory-installed component for selected premium Audi models, such as the A6 C7 generation, A7, and A8 D4 generation. The design meets the manufacturer's requirements regarding volume level, sound characteristics, and mounting method, which facilitates matching with the existing electrical harness and mounting brackets in the vehicle. By maintaining the original operating characteristics, the horn works with factory safety and control systems, ensuring stable operation in daily use. This is particularly important in vehicles equipped with extensive onboard electronics, where correct communication between system components is crucial for reliability.

Signal characteristics – high and low tone

The system includes a high-tone and a low-tone horn, which allows for a full, clear warning sound. The two-tone set:

• increases signal clarity in urban traffic and on highways,
• ensures better audibility in diverse acoustic conditions,
• corresponds to the factory configuration used by the manufacturer in high-end models. Such a solution translates into a more assertive, yet acoustically organized message for the surroundings, which promotes safety and driving comfort.

Original origin and identification parameters

The horn comes from the Audi line and is an OEM-class component, which means compliance with factory standards of quality, construction, and fitment. The product has an assigned OEM part number and associated interchangeable numbers, allowing it to be precisely verified against service documentation or the manufacturer's catalog. Technical data, such as warehouse markings and manufacturer information, is also available in the technical description, which facilitates the selection of the correct component for a specific vehicle configuration. The presence of reference numbers allows for the safe replacement of an existing horn with a component of the same mounting and electrical parameters, without the need for system modifications or interference with the wiring harness.

Condition, functionality, and service application

The item is offered as used, which allows for economical repair of the signaling system while maintaining the manufacturer's original specifications. This type of solution is particularly beneficial for older vehicles, where both technical compliance and reasonable service costs are important. A used OEM horn is an alternative to uncertain aftermarket replacements that may differ in sound characteristics or build quality. In workshop practice, such a component is suitable for:

• replacing a damaged or moisture-affected horn,
• restoring full functionality of the warning system after a collision,
• servicing the electrical system when it is necessary to replace a component with one that matches the factory specification.

Support with selection and system expansion

The selection of the appropriate horn for a specific vehicle equipment version should be based on vehicle identification data and part numbers. In case of expansion or comprehensive repair of the warning system, it is possible to maintain the consistency of all elements – from the horn, through the wiring harness, to the steering wheel controls. If you are planning a comprehensive repair or upgrade of the signaling zone in your Audi and need other elements from the same group, such as additional horns, mounting brackets, or power harnesses, check the available parts in the Audi Horns category. If you are interested in a broader approach to repairs using original, used OEM components in the drivetrain and want to learn the arguments for such a solution, it is worth reading the article: Humming differential? Find out why a used OEM drive axle is a better investment than an uncertain replacement.