Audi TT FV Rear Brake Caliper Brake Electric Unit Left N/S 5Q0615405CK

Audi TT FV Rear Brake Caliper Brake Electric Unit Left N/S is a specialized braking system component designed for installation on the rear left axle of the vehicle. Thanks to its electric control, the caliper works in tandem with the parking brake system, ensuring stable operation and precise braking force distribution. This solution is dedicated to users who expect consistency with the original Audi design and seamless integration with the vehicle's electronics.

Specifications and technical data

• SKU: 5Q0615405CK
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q0615405CK
• Substitutable numbers: 5Q0615405CK, 5Q0 615 405 CK
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and function in the braking system

The presented caliper belongs to the Brake calipers and carriers category and is designed for operation on the rear left side of the vehicle. As an electric component, it is responsible for operating the service brake and interacting with the electric parking brake, which is crucial for vehicle stability when parked and for precise stopping while driving.

The vehicle placement is factory-defined, which is why the caliper is structurally matched to the geometry of the steering knuckle, brake disc, and brake lines on the left side of the rear axle. Such a fit reduces the risk of leaks, uneven brake pad wear, and errors in the operation of brake assist systems.

Construction and compatibility with the electrical system

The electric mechanism of the caliper has been developed to work with the factory Audi control system, allowing for proper communication with the modules responsible for the parking brake and safety systems. The applied design enables:

• precise control of the pad clamping force against the disc,
• automatic engagement and release of the parking brake,
• integration with comfort features, such as automatic brake engagement after turning off the ignition.

By maintaining the original electrical architecture, the caliper is prepared for operation in an environment where stable performance of safety systems and compliance with the vehicle's factory parameters are required.

Condition, verification, and preparation for installation

This item comes from a group of used parts, which allows for an economical repair of the braking system while maintaining the manufacturer's original specifications. Before being offered for sale, such components are standardly verified for the correct operation of the mechanism, the response of the electric drive, and the absence of damage that would disqualify them from further use.

During installation, it is recommended to use new brake pads and properly bleed the system, as well as perform an adaptation of the electric parking brake using the appropriate diagnostic interface. This approach minimizes the risk of controller errors and ensures proper cooperation of the caliper with other system components.

Practical application and benefits of choosing an original solution

Choosing an electric brake caliper dedicated to Audi allows you to maintain the structural consistency of the entire braking system. Proper fitment to the rear left side of the vehicle translates into:

• even brake performance on both sides of the axle,
• proper cooperation with brake assist systems,
• preservation of factory comfort and safety parameters.

For users planning long-term vehicle operation, using an original solution in the brake area is important in terms of durability, predictable vehicle behavior, and compliance with technical inspection requirements.

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 additional calipers, brackets, or guide carriers, check out the available parts in the Audi Brake calipers and carriers category.

Technical support for selecting a used caliper

When choosing a used braking system component, it is worth paying attention to compatibility with the body version, drive type, and the configuration of safety systems in the vehicle. It may be helpful to check whether the type of electric caliper used corresponds to the factory solution in a given vehicle and whether an appropriate adaptation procedure is provided after installation.

To better prepare for the purchase and installation of a used caliper, it is worth using practical tips on verifying the condition and safety of such components – you will find them in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, which provides a detailed checklist for this type of repair.