ATE SP12159 Disc Brake Rotor - Rear

ATE Coated Rear Rotor for Audi A6

The ATE Coated Single Pack Rotor SP12159 is a rear disc brake rotor built for select Audi A6 and Audi A6 Quattro applications. It uses a full cast metal construction with a rust-resistant coating and a non-directional finish to support consistent braking performance and cleaner service life.

ATE, the brake brand of Continental Automotive Systems, applies OE-level engineering and manufacturing experience to its aftermarket brake parts. The ATE Coated Single Pack Rotor line focuses on coated brake discs made with first-quality materials and precise process control for drivers who want a direct-fit replacement for rear brake service.

• Part number: SP12159
• Rear disc brake rotor for select Audi applications
• Full cast metal construction
• Rust-resistant coating helps protect the rotor surface
• Non-directional disc finish for service-friendly installation
• Solid rotor design
• Outside diameter: 301.70 mm
• Nominal thickness: 12.00 mm
• Bolt hole diameter: 5
• Height: 2.319 in

Detailed Product Information

This ATE brake rotor is engineered for rear axle use on 2005-2011 Audi A6 and Audi A6 Quattro models listed below. It meets or exceeds North American OEM specifications for the covered applications, making it a practical choice for Audi A6 rear brake rotor replacement, Audi A6 Quattro rear brake service, and other fitment-based searches for SP12159.

Fits 2009-2011 Audi A6, rear. Fits 2006-2008 Audi A6, rear. Fits 2005-2008 Audi A6 Quattro, rear. This part cross-references Bosch 14010051 and Brembo 08.8843.2X for the same application.

Common Brake Issues It Can Address

• Rear brake pulsation from worn rotor surfaces
• Brake noise caused by uneven rotor wear
• Corrosion on exposed rotor surfaces
• Reduced braking consistency from rotor thickness loss
• Service replacement for a rear rotor that no longer meets specification

Installation Notes and Tips

Confirm rotor diameter, thickness, and rear axle fitment before installation. Clean the hub mounting surface thoroughly to help prevent runout-related brake noise or pedal vibration. After installation, follow the vehicle manufacturer’s brake bedding procedure and verify proper caliper operation, pad condition, and wheel torque.

Quality Assurance

ATE brake parts are backed by Continental Automotive Systems’ OE brake manufacturing experience and are produced to a higher standard than conventional aftermarket replacements. The coated rotor design reflects ATE’s focus on durable materials, controlled manufacturing, and OE-style fitment for Audi A6 and Audi A6 Quattro rear brake applications.