PowerStop AR82156 Disc Brake Rotor - Rear

Overview

Power Stop Autospecialty brake rotors are a direct-fit replacement for OE-style braking performance. This rear disc brake rotor is built for the Cadillac CTS and matches the application-specific dimensions needed for proper fitment.

Key Features

• Direct-fit rear brake rotor for OE-style replacement
• Vented rotor design for consistent heat management
• 339 mm outside diameter for the specified application
• 5-lug mounting pattern with a 120 mm bolt circle
• Power Stop Autospecialty line focused on stock replacement fit and performance

Detailed Description

Power Stop AR82156 is a rear disc brake rotor engineered as an OE stock replacement for the Cadillac CTS. The vented construction, 13.30-inch outside diameter, and 5-hole mounting pattern align with the listed fitment requirements for 2008-2014 Cadillac CTS rear applications. The AR82156 is part of the Power Stop Autospecialty line, which centers on direct-fit replacement parts for original equipment-style fit and performance. If you are replacing worn rear rotors on a Cadillac CTS, this rotor provides the dimensional match needed for a straightforward service job.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Rotor wear that can affect braking smoothness
• Brake pulsation caused by an out-of-spec rotor
• Noise related to a damaged or uneven braking surface
• Fitment issues from using the wrong rear rotor dimensions

Installation Notes

Verify rotor diameter, bolt circle, and hub fitment before installation. This rear rotor is listed for 2008-2014 Cadillac CTS rear applications, including the 339 mm rotor specification shown in the fitment notes. Always inspect related brake components during service and follow the vehicle manufacturer’s installation procedures.

Quality Assurance

Power Stop positions the Autospecialty line as a direct-fit OE-style replacement range for original equipment fit and performance.