Audi A3 8V Brake Caliper Wheel Braking Unit Rear Left N/S 8V0615423E

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A3 8V Brake Caliper Wheel Braking Unit Rear Left N/S is an original braking system component designed for installation on the rear axle on the driver's side. As part of the Brake calipers and carriers group, it ensures precise brake pad guidance and stable operation of the entire braking system, which translates into predictable vehicle behavior and safe deceleration.

Specifications and technical data

• SKU: 8V0615423E-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8V0615423E
• Substitutable numbers: 8V0615423E, 8V0 615 423 E
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and function in the braking system

The presented caliper is dedicated for installation on the rear left side of the vehicle, where it is responsible for evenly pressing the brake pads against the brake disc. A properly selected and functional caliper stabilizes the braking force between the sides of the vehicle, reduces the risk of pulling to one side, and supports even wear of the pads and discs.

As an original Audi component, the caliper has been designed for full compatibility with the hydraulic system and suspension geometry of the Audi A3 8V. The appropriate design of the housing, guide pins, and mounting points facilitates installation and ensures proper positioning relative to the brake disc.

Benefits of using an original caliper

Using a factory-spec caliper in the Audi A3 8V allows for maintaining the braking parameters specified by the vehicle manufacturer. Key advantages include:

• consistency with the factory characteristics of the braking system,
• proper fitment to the carrier and other mounting components,
• adequate housing rigidity, reducing deformation during intensive braking,
• maintaining the correct piston travel and even pad pressure.

Thanks to this, the driver receives a predictable brake pedal response, and the system maintains stability during both daily city driving and longer trips.

Characteristics of the used component

The offered brake caliper is a used part, sourced from vehicle dismantling. Such components are a popular choice for vehicle servicing where maintaining original specifications while optimizing repair costs is a priority. A used caliper allows for:

• preserving the original design and geometry of the component,
• compatibility with factory lines and mounts,
• economical restoration of the braking system's efficiency.

Before installation, a standard service procedure is recommended, including checking the technical condition, seals, and guide pins, in accordance with workshop practices for braking system components.

Selection and compatibility in the Audi A3 8V

To correctly select the rear left caliper for a specific version of the Audi A3 8V, it is worth verifying compatibility with the part number and the braking system configuration of the given vehicle. Comparing the caliper design with the component installed on the opposite side of the axle and considering the type of discs and pads used is helpful.

In case of doubts when selecting a used braking system component, a practical guide describing verification procedures and safety criteria can be helpful. You can find a detailed checklist in the article: Second-hand braking system: how to safely select discs, calipers, and ABS?.

Expanding the Audi braking system – related 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 brackets, check the available parts in the Audi Brake calipers and carriers category.

Choosing used parts from dismantling can also be a conscious step towards more sustainable vehicle maintenance. If you are interested in how such decisions affect the environment and service costs, it is worth reading the article: Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?.