PowerStop EBR839

2010–2011 Audi S4 Front Brake Rotor

Part #: EBR839

Overview

The PowerStop EBR839 is a high-quality front brake rotor designed specifically for the 2010–2011 Audi S4 models. Engineered to deliver superior stopping power and enhanced durability, this rotor is an ideal upgrade for enthusiasts seeking reliable performance and improved safety. Whether you're replacing worn-out OEM rotors or upgrading for better braking response, the PowerStop Autospecialty brake rotor offers a direct fit solution that restores your vehicle's braking efficiency.

Perfect for daily drivers, spirited street driving, or performance-oriented applications, this rotor helps support more confident braking under various driving conditions. Its precision-machined construction ensures a perfect OE fit, making installation straightforward and hassle-free. With the PowerStop EBR839, you can enjoy improved stopping distances, better pad bite, and increased resistance to heat and corrosion, all contributing to a safer and more responsive driving experience.

Key Features

The PowerStop EBR839 incorporates advanced design and manufacturing features to optimize braking performance and longevity. Key features include:

• Direct OE replacement fit for the 2010–2011 Audi S4 front brakes, ensuring compatibility and ease of installation.
• Precision-machined Tru-Cast surface for exact OE fit and consistent contact with brake pads, promoting even wear and optimal braking response.
• Oversized drill holes designed to improve heat dissipation, reducing brake temperature and minimizing brake fade during aggressive driving or heavy braking.
• Counter-sunk holes that help resist stress risers and cracking, enhancing the rotor's durability under demanding conditions.
• Corrosion-resistant gold zinc plating provides excellent protection against rust and corrosion, extending the lifespan of the rotor even in wet or harsh environments.
• Manufactured with high-quality materials to ensure reliable performance and long service life.

Construction & Design

The PowerStop Autospecialty brake rotor features a robust construction designed for durability and consistent performance. The rotor's core is made from high-grade cast iron, offering excellent thermal stability and resistance to warping. The precision-machined surface ensures a smooth, flat contact area for the brake pads, which helps improve braking feel and reduce uneven pad wear.

The oversized drill holes are strategically placed to facilitate efficient heat dissipation, preventing overheating during intense braking. The counter-sunk design of these holes minimizes stress concentrations, reducing the risk of cracks and extending the rotor's service life. The gold zinc plating not only enhances corrosion resistance but also provides a clean, attractive appearance that maintains its look over time.

Performance & Sound

Designed to improve braking performance, the PowerStop EBR839 offers better pad bite and shorter stopping distances compared to standard OEM rotors. The enhanced heat dissipation features help maintain consistent braking performance during repeated or prolonged use. While this rotor is primarily focused on safety and reliability, its design also contributes to a quieter braking experience, reducing brake squeal and vibration.

Installation & Fitment

The PowerStop EBR839 is a direct bolt-on replacement for the original front rotors on the 2010–2011 Audi S4. No cutting, drilling, or special tools are required for installation. The rotor is designed to match the factory mounting points and specifications, ensuring a straightforward upgrade process. Basic mechanical skills and standard hand tools are sufficient to complete the installation, which typically takes less than an hour.

• Ensure the vehicle is securely lifted and supported before beginning work.
• Remove the wheel, caliper, and old rotor.
• Install the new PowerStop rotor, reassemble the caliper and wheel, and torque all fasteners to manufacturer specifications.
• It is recommended to bed-in new brake components according to the manufacturer's instructions for optimal performance.

What's Included

• One front brake rotor (driver or passenger side as specified)
• All necessary mounting hardware and fasteners
• Installation instructions

Ideal For

• Drivers seeking a reliable replacement for OEM brake rotors
• Performance enthusiasts looking to improve braking response and heat management
• Owners of 2010–2011 Audi S4 models requiring durable, corrosion-resistant rotors
• Anyone wanting to enhance safety and braking confidence in daily or spirited driving

Emissions Note

This product is a direct replacement rotor designed to meet or exceed OEM specifications. It is suitable for street use and complies with applicable safety standards. Always verify local regulations regarding aftermarket brake components before installation.