PowerStop AR82142XPR Disc Brake Rotor Set - Front

Front Drilled and Slotted Rotor Upgrade

PowerStop AR82142XPR is a front disc brake rotor set built for the 2009-2011 Cadillac STS. It combines drilled and slotted rotor surfaces with a zinc-plated finish to support cooler braking, cleaner pad contact, and corrosion resistance in daily driving and demanding conditions.

The Power Stop - Front Drilled, Slotted and Zinc Plated Brake Rotor Pair line focuses on direct OE-style replacement rotors with performance-oriented surface design. For Cadillac STS front brake rotor replacement, AR82142XPR provides a bolt-on fit with no special modifications required.

Key Features

• Fits 2009-2011 Cadillac STS, front
• PowerStop AR82142XPR front disc brake rotor set
• Cross-drilled and slotted surface for improved heat management
• Rounded slots help clear gas, dust, and moisture from the rotor face
• Silver zinc dichromate plating helps resist rust and corrosion
• Vented rotor design for front brake applications
• Direct OE fit for straightforward replacement

Detailed Description

PowerStop AR82142XPR is engineered for drivers replacing worn front rotors on a 2009-2011 Cadillac STS. The drilled and slotted design supports more consistent friction contact by helping evacuate dust, moisture, and gases from the braking surface, while the vented construction assists with heat dissipation during repeated stops. With a 12.40-inch outside diameter, 5-lug bolt pattern, and OE-style dimensions, this rotor set is built to match the original front brake setup without special modifications.

Silver zinc plating adds a corrosion-resistant layer that helps maintain appearance and surface protection over time. If you are searching for a front drilled and slotted brake rotor pair for Cadillac STS 2009-2011, PowerStop AR82142XPR is a direct-fit option that aligns with the vehicle’s OE mounting pattern and brake package requirements. This part cross-references Raybestos Brakes 580714 for the same application.

Common Problems It Can Address

• Brake fade during repeated stops
• Rotor surface rust and corrosion buildup
• Uneven pad contact caused by glazed or contaminated rotor faces
• Excess brake dust and moisture on the braking surface
• Vibration or pulsation related to worn front rotors

Installation Notes and Tips

Confirm front axle fitment before ordering and match the rotor dimensions to the existing brake setup on your Cadillac STS. Inspect pads, calipers, and mounting surfaces during replacement so the new rotors seat correctly and wear evenly. Follow the vehicle service procedure for torque specifications and bedding-in after installation.

Quality Assurance

PowerStop manufactures this rotor set as a direct OE-fit replacement with corrosion-resistant zinc plating and a performance-oriented drilled and slotted surface. AR82142XPR is built to meet the dimensional requirements listed for the confirmed Cadillac STS front application.