PowerStop AR8245 Disc Brake Rotor - Rear

Power Stop Rear OE Stock Replacement Brake Rotor Overview

The Power Stop - Rear OE Stock Replacement Brake Rotor AR8245 is engineered to meet the exact specifications of your vehicle's original equipment. Designed for rear disc brake systems, this rotor provides reliable stopping power for select Buick, Cadillac, Oldsmobile, and Pontiac models.

• Part Number: AR8245
• Compatible with rear disc brake systems on Buick Allante, Cadillac DeVille, Eldorado, Seville, and more
• Solid rotor design with an outside diameter of 11.10 inches (280.80 mm)
• Nominal thickness of 0.43 inches (10.90 mm) and discard thickness of 0.37 inches (9.50 mm)
• Overall height measures 1.50 inches (38.40 mm)
• Mounting bolt hole circle diameter of 4.50 inches (115.00 mm) with 5 lug holes
• No rust resistant coating included

Detailed Product Description

This Power Stop rear disc brake rotor is a solid type rotor designed to replace the original equipment on various rear-wheel disc brake applications. The rotor's nominal thickness of 0.43 inches (10.90 mm) ensures durability and consistent braking performance, while the discard thickness of 0.37 inches (9.50 mm) provides a clear wear limit for safe operation. With an outside diameter of 11.10 inches (280.80 mm) and an overall height of 1.50 inches (38.40 mm), this rotor matches the OE dimensions for a precise fit. The mounting bolt hole circle diameter of 4.50 inches (115.00 mm) and 5 lug holes align with the factory specifications for secure installation.

Power Stop - Rear OE Stock Replacement Brake Rotor Product Line

The Power Stop - Rear OE Stock Replacement Brake Rotor line focuses on delivering rotors that meet original equipment standards for fit, form, and function. This product line is designed to provide a direct replacement for rear brake rotors on select domestic vehicles, ensuring compatibility and reliable braking performance without the need for modifications. The AR8245 rotor is part of this line, offering a solid rotor design that maintains the factory braking characteristics for vehicles like the Buick LeSabre and Pontiac Bonneville.

Common Applications and Issues Addressed

• Replacement for worn or warped rear brake rotors on Buick, Cadillac, Oldsmobile, and Pontiac models
• Resolves brake pulsation caused by uneven rotor surfaces
• Addresses reduced braking efficiency due to rotor thickness below discard limits
• Eliminates noise and vibration from damaged or scored rotors
• Restores proper rotor dimensions for safe and effective braking

Installation Notes and Tips

• Ensure rotor thickness is measured before installation to confirm discard limits
• Clean rotor surface and hub mounting area to prevent runout
• Use proper torque specifications on lug nuts to avoid rotor warping
• Inspect brake pads and replace if worn to maintain optimal braking performance
• Check for compatibility with vehicle’s rear disc brake system before installation

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet or exceed OEM specifications for durability and performance. While this product does not include a rust resistant coating, it is engineered for consistent braking under normal operating conditions. Warranty coverage details should be confirmed with the manufacturer or authorized distributor to ensure proper protection.