PowerStop AR82159XPR Disc Brake Rotor Set - Front

Front Drilled and Slotted Rotor Upgrade

PowerStop AR82159XPR is a front disc brake rotor set built for drivers who want a direct OE-fit replacement with added cooling and surface-cleaning features. It is compatible with select Cadillac ATS and Cadillac CT4 front brake applications, including 300mm front rotor setups.

Power Stop drilled and slotted rotors are part of the Power Stop brake rotor line focused on improved heat management, cleaner pad contact, and corrosion resistance for everyday driving and demanding stops.

Key Features

• Precision cross-drilled design helps increase airflow and cooling under braking
• Rounded slots sweep away gas, dust, and moisture from the rotor face
• Silver zinc dichromate plating helps resist rust and corrosion
• Direct OE fit for straightforward replacement on the listed applications
• Vented rotor construction with a slotted and drilled surface type
• 300 mm outside diameter with 5-lug mounting pattern

Detailed Product Overview

The PowerStop AR82159XPR rotor set is engineered for front axle use on select Cadillac ATS and Cadillac CT4 models. With a 300 mm outside diameter, vented construction, and a slotted X drilled surface, it supports consistent brake performance by helping manage heat and maintain a cleaner friction surface. The zinc-plated finish adds corrosion resistance for long-term appearance and durability. This part cross-references Raybestos Brakes 581043 for the same application.

What This Rotor Set Helps Address

• Brake fade caused by heat buildup during repeated stops
• Dust and gas buildup on the rotor surface
• Moisture-related surface contamination
• Rust and corrosion on exposed rotor surfaces
• Replacement needs for worn front rotors on Cadillac ATS and Cadillac CT4 models

Installation Notes and Fitment

Fits 2020-2022 Cadillac CT4, front. Fits 2017-2018 Cadillac ATS, front. Fits 2013-2015 Cadillac ATS, front. Fits 2016 Cadillac ATS, front, exc. Brembo front brakes; 300mm front rotor. Confirm rotor diameter, bolt circle, and brake package before installation. AR82159XPR is a direct OE-fit replacement for the listed front applications and does not require special modifications.

Quality Assurance

PowerStop manufactures this rotor set with precision drilling, slotting, and zinc plating to support consistent fit and corrosion resistance. Part number AR82159XPR is built to match the listed OE-style front brake applications for Cadillac ATS and Cadillac CT4.