Audi A7 4G A8 D4 Parking Brake Module Handbrake Actuator Control Unit 4H0907801C

Audi A7 4G A8 D4 Parking Brake Module Handbrake Actuator Control Unit is a specialized control unit responsible for the precise operation of the electric parking brake. This component from the Brake cables category ensures proper cooperation with the braking system, supporting vehicle stability during parking and maneuvers. It is a solution designed for users who expect proven, factory-standard electronics tailored to the design of high-end Audi models.

Specifications and technical data

• SKU: 4H0907801C
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0907801C
• Substitutable numbers: 4H0907801C, 4H0 907 801 C, 4H0 907 801 B, 4H0907801B, 4H0 907 801 A, 4H0907801A, 32620232A, A2C53383282
• Category: Brake Cables

Purpose and function of the module

The presented parking brake controller works with the electric caliper mechanism, controlling the process of engaging and releasing the handbrake. Its tasks include:

• coordinating the operation of parking brake actuators,
• transmitting signals between the brake button and the braking system,
• cooperating with vehicle safety systems, such as the braking system and body electronics.

Thanks to this, the parking brake operates in a repeatable and predictable manner, which is important both for daily use and during vehicle maintenance.

Benefits of using an original Audi module

Using a factory module in an Audi A7 4G or A8 D4 allows for maintaining compatibility with the vehicle's factory electrical architecture. This means:

• proper communication with the vehicle bus and other controllers,
• proper fitment for electrical harnesses and mounts,
• maintaining the factory operating parameters of the parking brake.

In practice, this translates into stable operation of the braking system and a reduction in the risk of communication errors in the vehicle's electronic systems.

Characteristics of the used component

The offered module comes from disassembly and is a used component, which is a cost-effective solution for drivers looking for original electronics at a reasonable price. This type of part allows for:

• maintaining the factory build quality typical of the Audi brand,
• fitment for specific generations of A7 4G and A8 D4 models,
• reducing repair costs while using an OEM component.

Before installation, it is recommended to verify compatibility with the vehicle and perform adaptation and diagnostics using an appropriate service tester.

Selection and safety in the braking system

Replacing the parking brake controller is an important stage of work on the braking system, so it is worth approaching it methodically. When selecting and installing the module, a guide describing the principles of purchasing brake components from the secondary market may be helpful – you can find detailed tips in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?. Following such guidelines facilitates the assessment of component condition and minimizes the risk of improper parking brake operation.

Expanding work within the Audi braking system

If you are planning a comprehensive repair or upgrade of the braking zone in your Audi and need other elements from the same group, such as lines, cables, or parking brake control elements, check the available parts in the Audi brake cables category.