PowerStop AR85138EVC Disc Brake Rotor - Front

Power Stop Front Genuine Geomet Coated Rotor Overview

The Power Stop - Front Genuine Geomet Coated Rotor (Part Number AR85138EVC) is engineered for reliable braking performance on Ford F-250 Super Duty and F-350 Super Duty trucks. Designed with durability and corrosion resistance in mind, this vented disc brake rotor meets the demands of heavy-duty applications.

• Compatible with Ford F-250 Super Duty and F-350 Super Duty models
• Part Number: AR85138EVC
• Vented disc brake rotor design for improved heat dissipation
• Rust resistant Geomet coating for extended rotor life
• Nominal thickness of 38.00 mm and discard thickness of 36.40 mm
• Overall height of 115.50 mm and outside diameter of 347.00 mm
• Mounting bolt hole circle diameter of 170.00 mm with 8 lug holes

Detailed Product Description

This Power Stop rotor features a vented design that enhances cooling during braking, reducing the risk of brake fade under heavy loads. The rotor’s Geomet coating provides a protective layer against rust and corrosion, which is critical for maintaining braking efficiency over time, especially in harsh environments. With a nominal thickness of 38.00 mm and a discard thickness of 36.40 mm, this rotor ensures consistent braking performance throughout its service life. The overall height measures 115.50 mm, and the rotor has an outside diameter of 347.00 mm, matching the specifications required for the front brakes of Ford F-250 Super Duty and F-350 Super Duty trucks. The mounting bolt hole circle diameter is 170.00 mm, accommodating 8 lug holes with a diameter of 6.70 mm each, ensuring proper fitment and secure installation.

About the Power Stop - Front Genuine Geomet Coated Rotor Line

The Power Stop - Front Genuine Geomet Coated Rotor product line focuses on providing rotors with advanced corrosion resistance and durability. The Geomet coating applied to these rotors offers a uniform protective finish that helps prevent rust buildup, which can compromise braking performance. This line is designed to meet or exceed OEM specifications, making it a suitable replacement for front disc brake rotors on heavy-duty trucks like the Ford F-250 Super Duty and F-350 Super Duty.

Common Applications and Problem Solving

• Replacement for worn or warped front disc brake rotors on Ford F-250 and F-350 Super Duty
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps prevent rust-related rotor degradation in wet or salty environments
• Improves heat dissipation to reduce brake fade during heavy towing or hauling
• Restores braking performance and pedal feel for safer vehicle operation

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (36.40 mm) before installation
• Clean mounting surfaces to prevent uneven rotor seating
• Torque lug nuts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to maintain optimal braking
• Follow vehicle-specific service manual for front rotor replacement procedures

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet strict quality standards and OEM specifications. The Geomet coating enhances corrosion resistance, contributing to longer rotor life. While specific warranty details for part number AR85138EVC should be confirmed with the manufacturer or distributor, Power Stop typically offers limited warranties covering defects in materials and workmanship.