PowerStop AR8589 Disc Brake Rotor - Front

Power Stop Front OE Stock Replacement Brake Rotor Overview

The Power Stop - Front OE Stock Replacement Brake Rotor AR8589 is engineered for reliable braking performance on Ford Explorer and Mercury Mountaineer models. Designed as a direct replacement, this vented disc brake rotor meets original equipment specifications to maintain consistent stopping power and vehicle safety.

• Compatible with Ford Explorer and Mercury Mountaineer front brake systems
• Vented rotor design for improved heat dissipation
• Nominal thickness of 1.02 inches (26.00 mm) with discard thickness at 0.96 inches (24.50 mm)
• Overall height of 2.20 inches (56.60 mm) ensures proper fitment
• 12-inch (305 mm) outside diameter with 5 lug holes on a 4.50-inch (114.30 mm) bolt circle diameter
• No rust resistant coating included

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

This Power Stop product line focuses on front OE stock replacement brake rotors that match original equipment dimensions and specifications. The AR8589 rotor is designed to provide a straightforward replacement solution for front brake systems on select Ford and Mercury vehicles, ensuring compatibility and maintaining factory braking performance without modification.

Detailed Product Description

The AR8589 disc brake rotor features a vented design that helps dissipate heat generated during braking, reducing the risk of brake fade and extending rotor life. With a nominal thickness of 1.02 inches (26.00 mm) and a discard thickness of 0.96 inches (24.50 mm), this rotor meets the necessary thickness standards for safe operation. The overall height of 2.20 inches (56.60 mm) and an outside diameter of 12 inches (305 mm) ensure proper alignment and fitment on the front axle of compatible vehicles. The rotor includes five lug holes arranged on a 4.50-inch (114.30 mm) bolt circle diameter, matching the factory mounting specifications for the Ford Explorer and Mercury Mountaineer.

Common Applications and Problem Solving

• Replacement for worn or warped front brake rotors on Ford Explorer and Mercury Mountaineer
• Addresses brake pulsation or vibration issues caused by uneven rotor surfaces
• Restores braking efficiency when rotor thickness falls below discard limits
• Eliminates noise and reduced stopping power from damaged or scored rotors
• Ensures proper fitment and alignment for front brake assemblies

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean mounting surface to prevent rotor runout and ensure proper seating
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and replace if worn to maintain optimal braking performance
• Follow vehicle-specific service manual instructions for front brake rotor replacement

Quality Assurance and Warranty

Power Stop manufactures the AR8589 rotor to meet or exceed original equipment standards for fit, form, and function. While this rotor does not include a rust resistant coating, it is engineered for durability under normal operating conditions. Warranty coverage details should be confirmed with the product documentation or manufacturer directly.