PowerStop AR82127EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number AR82127EVC) is engineered for reliable braking performance on select Cadillac and Chevrolet vehicles. Designed specifically for rear disc brake applications, this rotor offers corrosion resistance and precise fitment for models like the Cadillac CTS and Chevrolet Camaro.

• Compatible with Cadillac CTS and Chevrolet Camaro rear brake systems
• Vented disc brake rotor design for improved heat dissipation
• Geomet rust-resistant coating to reduce corrosion and extend rotor life
• Nominal thickness of 23.00 mm with a discard thickness of 21.50 mm
• Overall height of 48.00 mm and outside diameter of 315.00 mm
• Mounting bolt hole circle diameter of 120.00 mm with 5 lug holes

Detailed Rotor Specifications and Features

This Power Stop rear rotor features a vented design that enhances cooling during braking, helping to maintain consistent performance under demanding conditions. The rotor's Geomet coating provides a protective layer against rust and corrosion, which is especially beneficial for vehicles exposed to moisture and road salt. With a nominal thickness of 23.00 mm and a discard thickness of 21.50 mm, this rotor meets OEM specifications for safe and effective braking. The overall height of 48.00 mm and an outside diameter of 315.00 mm ensure proper fitment on compatible rear brake assemblies. The 5-lug hole pattern with a 120.00 mm bolt circle diameter matches factory mounting requirements for the Cadillac CTS and Chevrolet Camaro.

About the Power Stop - Rear Genuine Geomet Coated Rotor Line

The Power Stop - Rear Genuine Geomet Coated Rotor product line focuses on delivering rotors with factory-level specifications and protective coatings. The Geomet coating applied to these rotors offers enhanced rust resistance compared to standard rotors, helping to maintain rotor integrity and appearance over time. This line is designed to provide a direct replacement solution for rear disc brake rotors on select vehicles, ensuring compatibility and reliable braking performance.

Common Applications and Problem Solving

• Replacement for worn or warped rear rotors on Cadillac CTS and Chevrolet Camaro
• Addresses rotor corrosion and rust buildup that can affect braking efficiency
• Helps reduce brake noise and vibration caused by uneven rotor surfaces
• Improves heat dissipation to prevent brake fade during extended use
• Restores proper rotor thickness for safe braking performance

Installation Notes and Tips

When installing the Power Stop AR82127EVC rotor, ensure the mounting surface is clean and free of debris to promote proper rotor seating. Verify the rotor thickness before installation to confirm it meets minimum specifications. Use the correct torque settings for the 5-lug mounting bolts with a 120.00 mm bolt circle diameter. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor longevity.

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The Geomet coating provides additional protection against corrosion, contributing to the rotor's durability. While specific warranty details are not provided here, Power Stop products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.