Audi A4 B6 Rear Brake Caliper Housing Left N/S 8E0615423B

Audi A4 B6 Rear Brake Caliper Housing Left N/S is an original component from the Brake calipers and carriers group, designed for the rear left axle of the Audi braking system. This used OEM component allows for a technically correct replacement of a worn-out caliper, maintaining factory performance parameters and braking characteristics.

Specifications and technical data

• SKU: 8E0615423B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0615423B
• Substitutable numbers: 8E0615423B, 8E0 615 423 B
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented caliper is dedicated to installation on the rear axle, left side. It is responsible for evenly pressing the brake pads against the disc, stabilizing the braking force on the rear axle and supporting the proper operation of the vehicle's safety systems.

Thanks to its factory origin from the Audi brand, the correct mounting points, geometry, and spacing are preserved, which facilitates installation in place of the existing component without the need for structural modifications.

Technical and functional characteristics

As a friction system component, the caliper operates under demanding temperature and mechanical conditions. The design provided by the manufacturer ensures:

• stable guidance of brake pads on the rear left side of the vehicle,
• proper distribution of braking forces on the rear axle,
• compatibility with factory discs and pads intended for the specific model,
• the ability to work correctly with the standard hydraulic system.

A used caliper, after proper installation and system bleeding, allows for restoring correct braking efficiency in the rear left area, which has a direct impact on vehicle stability during straight-line braking and cornering.

Benefits of using an original Audi caliper

Using an original caliper from the same design group as the factory component ensures:

• secure mounting fit – compatibility with the mounts and geometry of the Audi A4 B6 braking system,
• consistency of the braking system operation – maintaining the braking force characteristics intended by the manufacturer,
• reduced risk of installation problems compared to aftermarket parts with uncertain specifications,
• easier diagnostics and future service thanks to the preservation of OEM solutions.

This solution is particularly beneficial for repairs where maintaining the factory configuration of the braking system without structural modifications is a priority.

Selecting used braking system components

When choosing a used caliper, it is worth paying attention to compatibility with the specific vehicle version, placement on the vehicle, and the design group from which the component originates. Proper component selection minimizes the risk of uneven braking, vehicle pulling to one side, or premature wear of pads and discs.

To better prepare for purchasing used braking system components, such as discs, calipers, or ABS system parts, it is worth using the practical tips included in the article: Second-hand braking system: how to safely choose discs, calipers, and ABS?

Expanding your Audi braking system repair

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, mounting brackets, or guide supports, check out the available parts in the Audi brake calipers and carriers category.