Audi A3 8P Brake Caliper Rear Left N/S Wheel Brake Unit 1K0615423J

Audi A3 8P Brake Caliper Rear Left N/S Wheel Brake Unit is an original component from the Brake calipers and brackets group, designed for operation in the rear left section of the braking system. This used brake caliper ensures a factory-fit for the Audi vehicle construction and allows for maintaining consistent braking parameters with the other system components.

Specifications and technical data

• SKU: 1K0615423J
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0615423J
• Substitutable numbers: 1K0615423J, 1K0 615 423 J
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented brake caliper is dedicated for installation on the rear axle, on the left side. This placement is crucial for the even distribution of braking forces between the wheels and proper interaction with the brake disc, pads, and brake line. Proper fitment to the specific position in the vehicle reduces the risk of uneven pad wear and improves vehicle stability during emergency braking.

Technical characteristics of the brake caliper

The brake caliper with this reference was designed by Audi as a friction system element with stable operating characteristics. The design provides precise pad guidance, controlled piston travel, and appropriate body rigidity, which translates into repeatable, predictable brake performance. The original design promotes compatibility with factory discs and pads, as well as with assistance systems such as ABS or ESP (if present in the specific vehicle model).

The used nature of the part means that the item comes from disassembly while maintaining a design consistent with the factory specification. For many users, this is a reasonable compromise between cost and maintaining the original quality and geometry of the braking system.

Benefits of using an original Audi brake caliper

Using an original brake caliper in the rear left wheel of an Audi A3 8P allows for maintaining the consistency of the entire braking system. The most important advantages include:

• Factory fit – maintaining the correct position relative to the disc and hub, without the need for mounting modifications.
• Stable operation of the piston and guides, promoting even pad pressure.
• Compatibility with the vehicle's standard brake hydraulics.
• The ability to restore proper braking efficiency after failure or wear of the previous caliper.

For users who value maintaining the original vehicle configuration, such an element is particularly attractive because it minimizes the risk of problems with installation and subsequent operation.

Selection and safety when purchasing a used brake caliper

When choosing a used brake caliper, it is crucial to match it to the specific model, axle, and side of the vehicle. It is worth paying attention to compliance with the Audi factory specification and ensuring that the element comes from the same construction group as the other braking system components. Proper selection reduces the risk of uneven braking, vehicle pulling to one side, or accelerated pad wear.

If you want to deepen your knowledge on the safe selection of used braking system elements – including calipers – it is worth reading the practical tips contained in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?. This is a helpful compendium when planning an informed purchase based on real technical criteria.

Expanding Audi braking system upgrades

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 mounting holders, check the available parts in the Audi brake calipers and brackets category.

For drivers who want to complete a larger set of used components in one place – from braking system elements to other sub-assemblies – the guide describing one-stop-shop purchases may be helpful: Comprehensive supply: from the engine to the smallest clip. This makes it easier to plan the full scope of service work while maintaining the consistency of the parts used.