Audi Q2 GA Rear Brake Caliper Brake Unit Left N/S 5Q0615423E

Audi Q2 GA Rear Brake Caliper Brake Unit Left N/S is an original brake system component from the Brake calipers and brackets group, designed for installation on the rear left axle of the vehicle. The part comes from a disassembly, which allows for maintaining the factory braking characteristics and fitment to the Audi design. This is a solution for users who want to restore proper braking efficiency while maintaining consistency with the factory system design.

Specifications and technical data

• SKU: 5Q0615423E-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q0615423E
• Substitutable numbers: 5Q0615423E, 5Q0 615 423 E
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and fitment for Audi Q2 GA

The presented caliper has been designed specifically for operation on the rear left side of the Audi Q2 GA model. The appropriate geometry of the mounts, the layout of the brake fluid flow channels, and the design of the guides ensure that the component works with the factory brake discs and pads intended for this model. This ensures the correct clamping force of the pads against the disc and vehicle stability during braking on the rear axle.

Construction and function in the brake system

The brake caliper is responsible for converting brake fluid pressure into mechanical force that presses the pads against the disc. In the case of the Audi Q2 GA, the following are crucial:

• proper piston sealing, ensuring the maintenance of operating pressure in the system,
• stable guidance of brake pads in the carrier, limiting uneven wear,
• correct bleeding, enabling the effective removal of air bubbles from the rear circuit,
• maintaining axial alignment relative to the disc, which affects the even contact of friction surfaces.

The original Audi caliper ensures compatibility with the factory brake master cylinder, lines, and other system components, which facilitates diagnostics and service in the future.

Characteristics of the used component

The offered caliper is a used component, sourced from vehicle disassembly. This type of component allows for an economical repair of the brake system while maintaining the manufacturer's original specifications. Before installation, standard service procedures are recommended, such as checking the condition of working surfaces, seals, and guides, as well as replacing the brake fluid in accordance with the vehicle manufacturer's procedure.

Benefits of using an original Audi caliper

Using an original caliper on the rear left axle of the Audi Q2 GA brings a number of practical benefits:

• Factory fitment – maintaining the geometry and operating parameters intended by the vehicle manufacturer.
• Consistency with other brake system components – no need for adaptation or modification of mounts.
• Predictable braking behavior – stable braking force on the rear axle, important for the operation of assistance systems such as ABS or ESP (if present in the vehicle).
• Possibility of further service maintenance based on factory procedures and Audi technical documentation.

Selection and safety when purchasing used calipers

When selecting a used brake caliper, it is crucial to verify compatibility with the specific version of the Audi Q2 GA, including the mounting side and the type of brake system used in the given unit. It is worth paying attention to the condition of the brake line ports, the contact surfaces with the steering knuckle, and the pad guide elements. For users who want to deepen their knowledge on the safe selection of used brake components, a detailed guide has been prepared – check how to safely select used discs, calipers, and ABS components.

If you are planning a comprehensive repair or upgrade of the braking zone in your Audi and need other components from the same group, such as additional calipers, carriers, or mounting brackets, check the available parts in the Audi brake calipers and brackets category.