PowerStop AR85155 Disc Brake Rotor - Rear

Power Stop Rear OE Stock Replacement Brake Rotor Overview

The Power Stop - Rear OE Stock Replacement Brake Rotor (Part Number AR85155) is engineered for reliable braking performance on Ford F-250 Super Duty and F-350 Super Duty trucks. Designed as a direct OE replacement, this vented disc brake rotor meets the exact specifications required for rear brake applications.

• Compatible with Ford F-250 Super Duty and F-350 Super Duty rear brakes
• Vented disc rotor design for improved heat dissipation
• Nominal thickness of 1.50 inches (38.00 mm) with discard thickness at 1.43 inches (36.40 mm)
• Overall height of 5.00 inches (126.10 mm)
• Outside diameter measures 14.30 inches (362.80 mm)
• Mounting bolt hole circle diameter of 6.70 inches (170.00 mm) with 8 lug holes
• No rust resistant coating included

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 a direct fit replacement for original equipment rear brake rotors. This product line focuses on matching OE dimensions and specifications to ensure proper fitment and consistent braking performance. The AR85155 rotor maintains the vented design typical of factory rotors, supporting effective heat management during braking cycles.

Detailed Product Description

This disc brake rotor is specifically manufactured to meet the rear brake requirements of Ford F-250 Super Duty and F-350 Super Duty models. The vented rotor design enhances cooling by allowing air to flow between the rotor surfaces, reducing the risk of brake fade under heavy use. With a nominal thickness of 1.50 inches (38.00 mm) and a discard thickness of 1.43 inches (36.40 mm), the rotor provides a clear service limit for safe operation. The overall height of 5.00 inches (126.10 mm) and an outside diameter of 14.30 inches (362.80 mm) ensure compatibility with the vehicle’s braking system. The rotor features an 8-lug hole pattern with a mounting bolt hole circle diameter of 6.70 inches (170.00 mm), matching the factory specifications for secure installation.

Common Applications and Problem Solving

• Replacement for worn or warped rear brake rotors on Ford F-250 Super Duty and F-350 Super Duty
• Addresses brake pulsation caused by uneven rotor surfaces
• Restores proper rotor thickness to maintain braking efficiency
• Solves overheating issues by utilizing vented rotor design
• Eliminates noise and vibration related to damaged or out-of-spec rotors

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.43 inches) before installation
• Clean mounting surface to prevent rotor runout and vibration
• Torque lug nuts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to optimize rotor performance
• Check for proper alignment of the 8-lug hole pattern and bolt circle diameter (6.70 inches)

Quality Assurance and Warranty

Power Stop manufactures the AR85155 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 under normal operating conditions. Warranty coverage details should be confirmed with the original product documentation or authorized distributor.