Description
Audi A4 B8 Front Rear Brake Wheel Disc Left Right N/O/S are original brake system components designed for use on the front and rear axles, on both the left and right sides. Thanks to their factory origin from Audi, they ensure precise fitment to the hub and caliper, stable brake pad guidance, and predictable braking performance. This is a solution for users who expect solid braking characteristics while maintaining compliance with the vehicle’s factory design.
Specifications and technical data
- SKU: 8K0615301A-1
- Mark: Audi
- Condition: Used
- OEM Part Number: 8K0615301A
- Substitutable numbers: 8K0615301A, 8K0 615 301 A
- Location on the vehicle: Front, Rear, Left, Right
- Category: Brake Disc Rotors
Purpose and installation compatibility
The presented brake discs have been designed to work on both the front and rear axles of the Audi A4 B8 generation. The design intended for installation on both the left and right sides allows for flexible use of the set when servicing the entire brake system, without the need to look for separate references for each side of the vehicle.
Such a solution facilitates service operations – the mechanic or user has components at their disposal that can be used in several mounting positions, which reduces the risk of errors during selection and speeds up workshop work.
Technical characteristics and performance properties
The brake discs in this reference belong to a group of components with varying diameters and working thicknesses, adapted to the requirements of the front and rear axles in the Audi A4 B8. The applied working dimensions ensure an adequate friction surface for the brake pads, which translates into stable deceleration in typical road conditions.
The factory geometry of the disc guarantees:
- proper adhesion to the hub and even distribution of braking forces,
- appropriate working thickness for effective heat dissipation,
- compatibility with stock Audi A4 B8 brake calipers.
As a result, the brake system retains its original characteristics, and the driver receives predictable brake pedal response and repeatable deceleration values.
Benefits of using original Audi brake discs
Choosing original Audi brake discs primarily means certainty of fitment for the specific brake system configuration in the Audi A4 B8. Properly selected dimensional and material parameters minimize the risk of vibrations, lateral runout, or uneven pad wear.
Key advantages include:
- maintaining factory braking characteristics and vehicle stability,
- consistency with assistance systems (ABS, ESP) thanks to predictable disc performance,
- easier diagnostics and service – the mechanic works with components compliant with the manufacturer’s documentation.
This solution is particularly beneficial for users who want to keep the car in a configuration close to factory specifications, without experimenting with replacements of uncertain parameters.
Component condition and service application
The offered brake discs come from disassembly and are sold as used parts, which allows for a significant reduction in repair costs compared to new OEM components. This type of solution is often chosen for budget repairs, reconstruction of post-accident vehicles, or restoring the efficiency of a car used mainly in urban conditions.
Before installation, a standard workshop procedure is recommended: verification of the working surface, runout check, and assessment of wear in relation to the limit values provided by the vehicle manufacturer. Properly selected and installed brake discs provide a solid foundation for further operation of the brake system.
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 discs, pads, or brake lines, check the available parts in the Audi brake discs category.
Safe selection of used brake system components
When purchasing used brake discs, it is worth paying attention to several aspects: the condition of the friction surface, any signs of overheating, evenness of wear, and the absence of cracks or deep scratches. A detailed checklist can be helpful, making it easier to assess whether a given component is suitable for further use.
To better prepare for choosing components from disassembly, it is worth reading the practical tips contained in the article “Second-hand brake system: how to safely select discs, calipers, and ABS?”, where the process of verifying used brake parts is discussed step by step.
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