PowerStop AR82193EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number AR82193EVC) is engineered for reliable braking performance on select Buick, Cadillac, Chevrolet, and GMC vehicles. Designed specifically for rear disc brake applications, this rotor features a rust-resistant Geomet coating and vented construction to enhance durability and heat dissipation.

• Compatible with Buick Acadia, Cadillac XT5, XT6, Chevrolet Blazer, Traverse, and GMC Enclave models
• Part Number: AR82193EVC
• Vented disc brake rotor design for improved cooling
• Rust-resistant Geomet coating to prevent corrosion
• Nominal thickness of 0.91 inches and discard thickness of 0.79 inches (20.00 mm)
• Overall height of 1.90 inches (48.20 mm) and outside diameter of 12.40 inches (315.10 mm)
• Mounting bolt hole circle diameter of 4.70 inches (120.00 mm) with 6 lug holes

Detailed Product Description

This Power Stop rear rotor is a vented disc type designed to provide consistent braking performance and heat management for rear brake systems on compatible vehicles. The rotor’s Geomet coating offers a protective layer that resists rust and corrosion, extending the rotor’s service life in various driving conditions. With a nominal thickness of 0.91 inches and a discard thickness of 0.79 inches, this rotor meets OEM specifications for thickness and durability. The overall height of 1.90 inches and outside diameter of 12.40 inches ensure proper fitment and compatibility with the rear brake assemblies of Buick Acadia, Cadillac XT5 and XT6, Chevrolet Blazer and Traverse, and GMC Enclave models.

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 provides enhanced corrosion resistance compared to standard rotors, which helps maintain braking efficiency and rotor integrity over time. This line is designed to meet the demands of rear brake systems on a range of GM vehicles, ensuring reliable performance and fitment.

Common Applications and Issues Addressed

• Replacement for worn or warped rear rotors on Buick Acadia, Cadillac XT5, XT6, Chevrolet Blazer, Traverse, and GMC Enclave
• Corrosion and rust buildup prevention in humid or salty environments
• Improved heat dissipation to reduce brake fade during extended use
• Restoring proper rotor thickness to maintain braking efficiency
• Addressing vibration or noise caused by uneven rotor surfaces

Installation Notes and Tips

• Verify rotor thickness before installation; discard if below 0.79 inches (20.00 mm)
• Ensure mounting bolt hole circle diameter of 4.70 inches (120.00 mm) matches vehicle specifications
• Use proper torque specifications for the 6 lug holes to avoid rotor warping
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Clean rotor surface before installation to remove any protective oils or residues

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 longevity. While specific warranty details for part number AR82193EVC should be confirmed with the manufacturer or distributor, Power Stop typically offers limited warranties covering defects in materials and workmanship.