PowerStop AR82111 Disc Brake Rotor - Rear

Power Stop Rear OE Stock Replacement Brake Rotor Overview

The Power Stop - Rear OE Stock Replacement Brake Rotor (Part Number AR82111) is designed for reliable braking performance on select Buick and Chevrolet models. Engineered as a solid disc brake rotor, it offers consistent stopping power for vehicles like the Buick Allure, Chevrolet Impala, LaCrosse, and Monte Carlo.

• Compatible with Buick Allure, Chevrolet Impala, LaCrosse, and Monte Carlo rear brakes
• Solid disc rotor design with 10.90 inch (278 mm) outside diameter
• Nominal thickness of 0.44 inch (11.20 mm) and discard thickness of 0.35 inch (9.00 mm)
• Overall height measures 2.00 inch (50.30 mm)
• Mounting bolt hole circle diameter of 4.50 inch (115 mm) with 5 lug holes
• No rust resistant coating applied

Detailed Product Description

This Power Stop rear disc brake rotor is manufactured to meet original equipment specifications, ensuring proper fit and function for the rear braking system of compatible Buick and Chevrolet vehicles. The solid rotor design provides a durable braking surface with a nominal thickness of 0.44 inches (11.20 mm), allowing for effective heat dissipation and consistent brake pad contact. The discard thickness is set at 0.35 inches (9.00 mm), indicating the minimum safe thickness before replacement is necessary. With an outside diameter of 10.90 inches (278 mm) and an overall height of 2.00 inches (50.30 mm), this rotor fits securely on the rear hubs using a 5-lug pattern with a 4.50 inch (115 mm) bolt circle diameter.

About the Power Stop - Rear OE Stock Replacement Brake Rotor Line

The Power Stop - Rear OE Stock Replacement Brake Rotor line is designed to provide direct replacement rotors that match original equipment dimensions and performance. This product line focuses on delivering rotors that maintain factory specifications without additional coatings or modifications, making them suitable for drivers seeking a straightforward, reliable rotor replacement for their rear braking system.

Common Applications and Problem Solving

• Replacement for worn or warped rear brake rotors on Buick Allure and Chevrolet Impala
• Restores braking performance affected by rotor thickness below discard limits
• Addresses brake pulsation caused by uneven rotor surfaces
• Suitable for resolving squealing or grinding noises due to rotor wear
• Helps maintain proper brake pad contact and stopping power on Chevrolet LaCrosse and Monte Carlo

Installation Notes and Tips

• Ensure rotor thickness is measured before installation to confirm discard limits
• Clean rotor surface and hub mounting area to prevent uneven rotor seating
• Torque lug nuts to manufacturer specifications using a star pattern
• Inspect brake pads and replace if worn to optimize braking performance
• Perform a test drive to verify proper brake function after installation

Quality Assurance and Warranty

Power Stop manufactures this rear disc brake rotor to meet or exceed OEM standards for fit and function. While this rotor does not feature a rust resistant coating, it is engineered for durability under normal operating conditions. Warranty coverage details should be confirmed with the original product documentation or authorized distributor.