PowerStop AR8658 Disc Brake Rotor - Rear

Power Stop Rear OE Stock Replacement Brake Rotor Overview

The Power Stop - Rear OE Stock Replacement Brake Rotor AR8658 is engineered to meet the exact specifications of your vehicle's original equipment. Designed for reliable performance on select Cadillac, Chevrolet, and GMC models, this vented disc brake rotor ensures consistent braking under various driving conditions.

• Compatible with Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 1500 LD, Suburban 1500, Tahoe, and GMC Sierra 1500, Sierra 1500 Limited, Yukon, Yukon XL, Yukon XL 1500
• Vented rotor design for improved heat dissipation
• Nominal thickness of 0.79 inches (20.00 mm) and discard thickness of 0.73 inches (18.50 mm)
• Overall height of 3.40 inches (85.40 mm) and outside diameter of 13.60 inches (345.00 mm)
• Six stud/lug hole configuration with a mounting bolt hole circle diameter of 5.50 inches (139.70 mm)

Product Line Details: Power Stop - Rear OE Stock Replacement Brake Rotor

This rotor is part of the Power Stop - Rear OE Stock Replacement Brake Rotor line, which focuses on providing direct replacement parts that match original equipment specifications. This ensures proper fitment and performance for rear brake systems on compatible vehicles, maintaining factory braking feel and safety standards without additional modifications.

Technical Specifications and Features

The AR8658 rotor features a vented design that helps reduce heat buildup during braking, which is critical for maintaining braking efficiency and rotor longevity. With a nominal thickness of 0.79 inches (20.00 mm) and a discard thickness of 0.73 inches (18.50 mm), this rotor meets the necessary thickness requirements for safe operation. The overall height of 3.40 inches (85.40 mm) and outside diameter of 13.60 inches (345.00 mm) ensure compatibility with the rear brake assemblies of the specified vehicles. The six-lug hole pattern and 5.50-inch mounting bolt hole circle diameter provide secure installation on the rear hubs of your Cadillac Escalade, Chevrolet Silverado 1500, or GMC Yukon models.

Common Applications and Problem Solving

• Replacement for worn or warped rear brake rotors on Cadillac Escalade and Chevrolet Avalanche
• Restores braking performance on GMC Sierra 1500 and Yukon XL models
• Addresses brake pulsation or vibration issues caused by rotor surface irregularities
• Solves excessive brake noise related to rotor wear or damage
• Prevents brake fade by maintaining proper rotor thickness and heat dissipation

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor mounting surface and hub to prevent runout
• Torque lug nuts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Follow vehicle-specific service manual for rear brake rotor replacement procedures

Quality Assurance and Warranty

Power Stop manufactures the AR8658 rotor to meet or exceed OEM standards for fit, form, and function. While this product does not include a rust-resistant coating, it is engineered for durability and consistent braking performance. Warranty coverage details should be confirmed with the product documentation or manufacturer directly to ensure proper support.