ATE SP12166 Disc Brake Rotor - Rear

ATE Coated Rotor for Rear Brake Service

The ATE Coated Single Pack Rotor SP12166 is a rear disc brake rotor built for select Audi applications. It combines 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 draws on Continental Automotive Systems brake engineering, bringing aftermarket parts that reflect original equipment development standards. The ATE Coated Single Pack Rotor line focuses on coated brake discs with first-quality materials and precise manufacturing for drivers who need a direct replacement rotor for rear brake service.

Key Features

• Part number SP12166
• Rear disc brake rotor for select Audi A4 and Audi A4 Quattro applications
• 288.00 mm outside diameter
• 12.00 nominal thickness
• Solid rotor design
• Full cast metal construction
• Rust resistant coating for added surface protection
• Non-directional disc finish
• 5 bolt hole diameter
• Height: 2.251

Detailed Description

ATE SP12166 is a coated rear brake rotor engineered for 2005-2009 Audi A4 and Audi A4 Quattro models listed in the fitment data. It is built to meet or exceed OEM specifications for North American applications, with a solid rotor profile, 288 mm diameter, and coated surface treatment that helps protect the rotor during storage and early service exposure. If you are searching for a rear brake rotor for 2005-2008 Audi A4 Quattro or a rear brake rotor for 2009 Audi A4, SP12166 is the correct reference to verify against your vehicle.

This part cross-references Bosch 14010053 and Brembo 08.A332.11 for the same application.

Common Reasons for Replacement

• Rear brake pulsation or vibration during stopping
• Visible rotor wear, scoring, or uneven surface condition
• Corrosion on the braking surface or rotor hat area
• Brake noise caused by worn or uneven rear rotors
• Reduced braking consistency on Audi A4 and Audi A4 Quattro rear brake systems

Installation Notes and Tips

Confirm rear axle fitment by matching the vehicle year, model, and rotor dimensions before installation. Inspect pads, caliper hardware, and hub condition at the same time so the new rotor seats evenly. Clean the rotor surface before service to remove any protective residue from packaging or handling.

Quality Assurance

ATE brake parts are developed with Continental Automotive Systems engineering experience and produced to a higher standard than conventional replacement parts. The coated rotor design reflects ATE’s focus on premium brake materials and OE-oriented manufacturing for the aftermarket.