PowerStop AR82146EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number AR82146EVC) is engineered for reliable braking performance on select Buick, Cadillac, Chevrolet, and Saab vehicles. Designed as a vented disc brake rotor, it offers enhanced heat dissipation and corrosion resistance for consistent stopping power.

• Compatible with Buick Allure, LaCrosse, Regal, and Lacrosse models
• Fits Cadillac CT5, CT6, and XTS vehicles
• Suitable for Chevrolet Camaro, Impala, and Malibu
• Also fits Saab 9-5 model
• Part Number: AR82146EVC

Key Features and Specifications

• Nominal Thickness: 23.10 mm (0.91 inches)
• Discard Thickness: 21.50 mm
• Outside Diameter: 315.20 mm (12.40 inches)
• Overall Height: 48.30 mm (1.90 inches)
• Vented rotor design for improved heat dissipation
• Rust resistant Geomet coating for extended rotor life
• Mounting Bolt Hole Circle Diameter: 120.00 mm
• Stud/Lug Hole Quantity: 5

About the Power Stop - Rear Genuine Geomet Coated Rotor Line

The Power Stop - Rear Genuine Geomet Coated Rotor line features rotors with a durable Geomet coating that provides superior rust resistance compared to standard rotors. This coating helps maintain rotor integrity and appearance over time, especially in environments prone to corrosion. The vented design enhances cooling efficiency, reducing the risk of brake fade during extended use. This product line is tailored for rear disc brake applications on a range of GM and Saab vehicles, ensuring precise fitment and reliable braking performance.

Product Application and Problem Solving

• Replaces worn or warped rear disc brake rotors on compatible Buick, Cadillac, Chevrolet, and Saab models
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps prevent rust buildup that can reduce braking efficiency
• Improves heat dissipation to reduce brake fade during heavy braking
• Restores proper rotor thickness for safe and effective braking

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (21.50 mm) before installation
• Clean mounting surfaces to prevent rotor misalignment
• Torque lug nuts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to optimize rotor performance
• Follow vehicle-specific service manual for rear disc brake rotor replacement procedures

Quality Assurance and Warranty

Power Stop rotors undergo rigorous quality control to meet OEM standards for fit, form, and function. The Geomet coating provides additional protection against corrosion, extending rotor service life. While specific warranty details are not provided here, Power Stop products typically come with a limited warranty covering defects in materials and workmanship. Refer to official Power Stop documentation for complete warranty terms.