PowerStop AR85118EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number AR85118EVC) is engineered specifically for the Ford F-350 Super Duty. Designed to meet precise fitment requirements, this vented disc brake rotor offers reliable performance and corrosion resistance for demanding rear brake applications.

• Compatible with Ford F-350 Super Duty rear brake systems
• Vented disc brake rotor design for improved heat dissipation
• Geomet rust-resistant coating to reduce corrosion
• Nominal thickness of 34.00 mm with discard thickness at 32.40 mm
• Outside diameter of 340.10 mm (13.40 inches) for exact fit
• Overall height of 125.00 mm (4.90 inches)
• Mounting bolt hole circle diameter of 156.20 mm (6.10 inches) with 8 stud/lug holes

Detailed Product Description and Specifications

This Power Stop rear rotor is a vented disc type, designed to enhance cooling during braking and reduce the risk of brake fade under heavy loads. The rotor features a Geomet coating, which provides a durable, rust-resistant surface to extend rotor life and maintain performance in harsh environments. With a nominal thickness of 34.00 mm and a discard thickness of 32.40 mm, this rotor meets strict OEM specifications for thickness and wear limits. The outside diameter measures 340.10 mm (13.40 inches), ensuring proper clearance and compatibility with the Ford F-350 Super Duty rear brake assembly. The rotor’s overall height is 125.00 mm (4.90 inches), and it mounts using an 8-lug pattern with a bolt hole circle diameter of 156.20 mm (6.10 inches).

About the Power Stop - Rear Genuine Geomet Coated Rotor Line

The Power Stop - Rear Genuine Geomet Coated Rotor product line focuses on providing rotors with advanced corrosion protection and precise fitment for rear brake applications. The Geomet coating technology used in this line offers enhanced rust resistance compared to standard rotors, which is particularly beneficial for vehicles like the Ford F-350 Super Duty that operate in challenging conditions. This line is designed to maintain rotor integrity and braking performance over time, supporting consistent stopping power and durability.

Common Applications and Problem Solving

• Replacement for worn or warped rear rotors on Ford F-350 Super Duty
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps prevent rust buildup that can lead to brake drag or uneven pad wear
• Improves heat dissipation to reduce brake fade during heavy towing or hauling
• Restores proper rotor thickness to maintain safe braking performance

Installation Notes and Tips

• Ensure compatibility with Ford F-350 Super Duty rear brake system before installation
• Check rotor thickness and discard limits to confirm replacement necessity
• Clean mounting surfaces and hub to prevent rotor runout
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and hardware during rotor replacement for optimal performance

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The Geomet coating provides additional protection against corrosion, contributing to longer rotor life. While specific warranty details for part number AR85118EVC should be confirmed with the supplier, Power Stop typically offers limited warranties covering defects in materials and workmanship.