PowerStop AR8286EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number AR8286EVC) is engineered for reliable braking performance on select Buick, Chevrolet, and Pontiac models. Designed specifically for rear disc brake applications, this rotor offers corrosion resistance and precise fitment for vehicles like the Buick LaCrosse and Chevrolet Impala.

• Compatible with Buick Allure, Chevrolet Grand Prix, Impala, Impala Limited, and Pontiac LaCrosse
• Part Number: AR8286EVC
• Solid disc brake rotor with Geomet rust-resistant coating
• Nominal thickness of 14.00 mm and discard thickness of 12.50 mm
• Outside diameter of 270.00 mm (10.60 inches) and overall height of 36.80 mm (1.40 inches)
• Mounting bolt hole circle diameter of 115.00 mm with 5 lug holes

Detailed Product Description

This Power Stop rear rotor is a solid disc type designed for rear brake systems on compatible Buick, Chevrolet, and Pontiac vehicles. The rotor features a Geomet coating that provides enhanced rust resistance, extending the rotor's service life in various driving conditions. With a nominal thickness of 14.00 mm and a discard thickness of 12.50 mm, this rotor meets OEM specifications for thickness and durability. The 270 mm outside diameter and 115 mm bolt circle diameter ensure proper fitment and secure mounting on vehicles such as the Chevrolet Impala and Buick Allure. The rotor's overall height of 36.80 mm supports proper caliper alignment and brake pad contact.

Power Stop - Rear Genuine Geomet Coated Rotor Product Line

The Power Stop - Rear Genuine Geomet Coated Rotor line focuses on providing rotors with a factory-style Geomet coating that resists rust and corrosion. This coating helps maintain rotor integrity and appearance over time, especially in environments prone to moisture and road salt exposure. The solid rotor design is intended for rear brake applications where vented rotors are not required, offering a straightforward replacement option that meets OEM standards.

Common Applications and Issues Addressed

• Replacement for worn or warped rear rotors on Buick Allure and Chevrolet Impala
• Eliminates brake pulsation caused by uneven rotor thickness
• Prevents rust buildup that can lead to brake noise and reduced performance
• Restores proper braking surface for improved pad contact and stopping power
• Addresses rotor thickness below discard limits to maintain safety

Installation Notes and Tips

• Verify rotor thickness before installation; discard if below 12.50 mm
• Ensure mounting surfaces and bolt holes are clean and free of debris
• Torque lug nuts to manufacturer specifications for secure fitment
• Inspect brake pads and calipers during rotor replacement for optimal performance
• Follow vehicle-specific service manual instructions for rear brake rotor replacement

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 longer rotor life. While specific warranty details for part number AR8286EVC should be confirmed with the manufacturer, Power Stop typically offers limited warranties covering defects in materials and workmanship.