PowerStop AR82107EVC Disc Brake Rotor - Front

Power Stop Front Genuine Geomet Coated Rotor Overview

The Power Stop - Front Genuine Geomet Coated Rotor (Part Number AR82107EVC) is engineered for reliable braking performance on select Cadillac and Pontiac vehicles. Designed specifically for front disc brake applications, this rotor offers corrosion resistance and precise fitment for models like the Cadillac CTS, STS, and Pontiac Bonneville.

• Compatible with Cadillac CTS, STS, and Pontiac Bonneville front brake systems
• Vented disc brake rotor design for improved heat dissipation
• Rust resistant Geomet coating to extend rotor life
• Nominal thickness of 32.20 mm with a discard thickness of 30.70 mm
• Outside diameter of 322.80 mm (12.70 inches) for exact fit
• Mounting bolt hole circle diameter of 115.00 mm with 5 lug holes
• Overall height of 51.90 mm (2.00 inches) ensuring proper caliper clearance

Product Line Details: Power Stop - Front Genuine Geomet Coated Rotor

This rotor is part of the Power Stop - Front Genuine Geomet Coated Rotor line, which focuses on providing rotors with a durable Geomet coating. This coating offers enhanced rust resistance compared to standard rotors, helping to maintain braking efficiency and appearance over time. The vented rotor design improves heat dissipation, reducing the risk of brake fade during extended use. This product line is tailored for front brake applications on specific vehicle makes and models, ensuring precise fit and reliable performance.

Technical Specifications and Features

The AR82107EVC rotor features a vented design that promotes airflow to dissipate heat generated during braking. With a nominal thickness of 32.20 mm and a discard thickness of 30.70 mm, it meets OEM standards for thickness and wear limits. The rotor's outside diameter measures 322.80 mm (12.70 inches), and it includes a mounting bolt hole circle diameter of 115.00 mm with five lug holes, matching the factory specifications for the compatible Cadillac and Pontiac models. The overall height of 51.90 mm (2.00 inches) ensures proper alignment with the brake caliper assembly.

Applications and Problem Solving

• Replacement for worn or warped front rotors on Cadillac CTS, STS, and Pontiac Bonneville
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps restore braking performance diminished by rotor corrosion or rust buildup
• Prevents premature rotor failure due to heat-related warping with vented design
• Maintains proper brake pad contact and stopping power with precise thickness and dimensions

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify that the mounting bolt hole circle diameter and lug hole quantity match your vehicle’s specifications. It is recommended to replace brake pads simultaneously to ensure even wear and optimal braking performance. Proper torque specifications should be followed when securing the rotor to avoid warping or damage.

Quality Assurance

Power Stop rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The Geomet coating provides enhanced corrosion resistance, contributing to longer rotor life. While specific warranty details are not provided, Power Stop products typically undergo rigorous quality control to ensure consistent performance and durability.