PowerStop AR8591 Disc Brake Rotor - Rear

Power Stop Rear OE Stock Replacement Brake Rotor Overview

The Power Stop - Rear OE Stock Replacement Brake Rotor AR8591 is engineered for reliable braking performance on Ford Expedition and Lincoln Navigator models. Designed as a direct OE replacement, this vented disc brake rotor ensures consistent stopping power and durability for your vehicle's rear braking system.

• Compatible with Ford Expedition and Lincoln Navigator rear brake systems
• Part number AR8591 for precise fitment
• Vented rotor design for improved heat dissipation
• Nominal thickness of 0.87 inches (22.00 mm) with discard thickness at 0.75 inches (19.00 mm)
• Overall height options: 2.00 inches (51.50 mm)
• Outside diameter of 13.50 inches (342.00 mm)
• Mounting bolt hole circle diameter of 5.30 inches (135.00 mm) with 6 lug holes

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 meet original equipment specifications. The line is designed to maintain factory performance and fitment, making it a practical choice for restoring rear braking components on compatible vehicles without modification.

Technical Specifications and Features

The AR8591 rotor features a vented design that helps reduce heat buildup during braking, which can improve rotor longevity and reduce brake fade. With a nominal thickness of 0.87 inches (22.00 mm) and a discard thickness of 0.75 inches (19.00 mm), this rotor meets the necessary thickness standards for safe operation. The rotor's outside diameter measures 13.50 inches (342.00 mm), and it has an overall height of 2.00 inches (51.50 mm). The mounting bolt hole circle diameter is 5.30 inches (135.00 mm), accommodating 6 lug holes, ensuring proper alignment and secure installation on the rear hubs of Ford Expedition and Lincoln Navigator vehicles.

Common Applications and Problem Resolution

• Replacement for worn or warped rear brake rotors on Ford Expedition and Lincoln Navigator
• Addresses brake pulsation or vibration issues caused by uneven rotor surfaces
• Restores braking efficiency when rotor thickness falls below manufacturer specifications
• Improves heat dissipation to reduce brake fade during heavy use
• Eliminates noise and uneven pad wear associated with damaged rotors

Installation Notes and Tips

Ensure the rotor surface and hub mounting area are clean and free of rust or debris before installation. Verify that the rotor thickness is within the discard limits specified (0.75 inches or 19.00 mm) to maintain safe braking performance. Use proper torque specifications for lug nuts to avoid rotor warping. It is recommended to inspect brake pads and replace them if worn to ensure optimal braking results with the new rotor.

Quality Assurance and Warranty

The Power Stop AR8591 rotor is manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided, Power Stop products typically undergo rigorous quality control to ensure durability and performance consistent with original equipment requirements.