PowerStop AR82142EVC Disc Brake Rotor - Front

Power Stop Front Genuine Geomet Coated Rotor Overview

The Power Stop - Front Genuine Geomet Coated Rotor AR82142EVC is engineered for reliable braking performance on Cadillac STS models. This vented disc brake rotor features a rust-resistant Geomet coating to extend rotor life and maintain consistent stopping power.

• Compatible with Cadillac STS front brake system
• Vented disc brake rotor design for improved heat dissipation
• Rust resistant Geomet coating to prevent corrosion
• Nominal thickness of 30.00 mm with discard thickness at 28.50 mm
• Overall height of 51.40 mm and outside diameter of 316.00 mm
• Mounting bolt hole circle diameter of 115.00 mm with 5 lug holes

Detailed Rotor Specifications and Features

This Power Stop rotor (part number AR82142EVC) is designed specifically for the front brakes of Cadillac STS vehicles. The rotor is vented, allowing for better heat dissipation during braking, which helps reduce brake fade and maintain consistent performance. The Geomet coating provides a protective layer that resists rust and corrosion, extending the rotor's service life especially in harsh weather conditions.

The rotor measures 316.00 mm in outside diameter and has an overall height of 51.40 mm. It features a nominal thickness of 30.00 mm and a discard thickness of 28.50 mm, ensuring it meets OEM specifications for safe operation. The mounting bolt hole circle diameter is 115.00 mm with 5 lug holes, matching the factory fitment for Cadillac STS front brakes.

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 a factory-style Geomet coating that offers enhanced corrosion resistance. This coating helps maintain rotor integrity and appearance over time, making it suitable for drivers who require dependable braking components that align with original equipment standards.

Common Applications and Problem Solving

• Replacement for worn or warped front rotors on Cadillac STS
• Addresses brake noise caused by rust buildup on rotor surfaces
• Improves braking consistency by reducing heat-related fade
• Prevents premature rotor corrosion in humid or salty environments
• Restores proper rotor thickness for safe braking performance

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness is within specifications, replacing if below the discard thickness of 28.50 mm. Use proper torque settings on mounting bolts to avoid rotor warping. It is recommended to inspect brake pads and hardware during rotor replacement for optimal brake system 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. Please refer to Power Stop's official warranty policy for specific coverage details related to this part number AR82142EVC.