Audi S4 B8 S5 8T Q5 8R Front Brake Disc Pair Slotted Dimpled EBC GD1846 330x36

Visual condition of the part

The product shows signs of use visible in the photos.

Audi S4 B8 S5 8T Q5 8R Front Brake Disc Pair Slotted Dimpled EBC GD1846 are a precision-machined, slotted and dimpled pair designed for demanding braking systems. Thanks to the grooves and dimples, the discs effectively assist in dissipating gases and debris from the friction surface, which promotes stable brake performance across a wide range of loads.

Specifications and technical data

• SKU: GD1846
• Mark: Unbranded
• Condition: Used
• OEM Part Number: GD1846
• Substitutable numbers: GD1846, EBC
• Location on the vehicle: Front
• Part type: Brake Disc Rotor
• Category: Brake Disc Rotors

Purpose and compatibility

This pair of discs is designed for the front axle of Audi S4 (B8 generation), S5 (8T), and Q5 (8R) models, where the braking system operates under higher thermal and mechanical stress. The disc design is tailored to the characteristics of the front axle, ensuring stable pad guidance and predictable brake pedal response.

By utilizing features typical of performance braking systems, such as slots and dimples, these discs perform well in both daily driving and more dynamic conditions where consistent braking force is essential.

Slotted and dimpled construction

The working surface of the discs features precision slots that help clean the brake pad of dust and deposits, reducing the risk of pad glazing. Additional dimples assist in venting gases generated during intensive braking, which helps maintain a stable coefficient of friction.

This type of construction is particularly beneficial for higher-power vehicles like the Audi S4 and S5, where the braking system is frequently subjected to repetitive, heavy deceleration. The layout of grooves and dimples is designed to improve braking control and ensure more even wear of the friction surface.

Performance characteristics and installation

The pair of discs designed for the front of the vehicle allows for consistent operation of the entire axle, which translates into predictable vehicle behavior during straight-line braking and cornering. The axle-specific design facilitates the selection of appropriate brake pads and minimizes the risk of improper installation.

Components from this group are a popular choice for upgrading braking systems toward a more sporty feel without the need to modify other sub-assemblies. The used condition of the product allows for an economical refresh of the system while maintaining proper geometry and operating parameters of the discs.

Benefits of using pre-owned brake system components

Choosing used brake discs is a solution that allows for cost optimization in service, especially for premium cars and high-performance models. Properly selected recycled components can be a reasonable compromise between price and functionality, provided their condition is correctly assessed by a mechanic.

If you want to better understand how to safely use pre-owned brake system components and how to make informed service decisions, it is worth checking out our guide: Brake calipers under the microscope – how to reduce brake repair costs by choosing verified recycled parts. The article discusses practical aspects of selecting and operating used components.

Expanding your brake system upgrade

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 out the available parts in the Unbranded Brake Discs category.

This approach allows you to build a cohesive set of components with similar operating characteristics, which facilitates later diagnostics and service. Uniform selection of elements within a single axle promotes even wear and stable operation of the entire braking system.