PowerStop AR8299EVC Disc Brake Rotor - Front

Power Stop Front Genuine Geomet Coated Rotor Overview

The Power Stop - Front Genuine Geomet Coated Rotor (Part Number AR8299EVC) is engineered for reliable braking performance on select Buick, Cadillac, Chevrolet, and Pontiac vehicles. Designed specifically for front disc brake applications, this rotor offers corrosion resistance and precise fitment for models like the Bonneville, DeVille, Impala, LeSabre, Monte Carlo, and Park Avenue.

• Vented disc brake rotor design for improved heat dissipation
• Geomet rust-resistant coating to reduce corrosion and extend rotor life
• Nominal thickness of 30.00 mm with a discard thickness of 28.70 mm
• Overall height of 50.60 mm and outside diameter of 303.00 mm
• Five stud/lug hole configuration with 118.10 mm bolt circle diameter

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 maintain braking efficiency and rotor integrity over time. The vented rotor design aids in heat management, which is critical for consistent braking performance under various driving conditions.

Technical Specifications and Features

The AR8299EVC rotor features a vented design that allows air to flow between the rotor surfaces, reducing heat buildup during braking. With a nominal thickness of 30.00 mm and a discard thickness of 28.70 mm, this rotor meets precise wear limits to ensure safe operation. The overall height measures 50.60 mm, and the rotor has an outside diameter of 303.00 mm, matching factory specifications for compatible vehicles. The five-lug hole pattern with a 118.10 mm bolt circle diameter ensures proper mounting on the front hubs of the specified Buick, Cadillac, Chevrolet, and Pontiac models.

Compatible Vehicles and Applications

• Buick Bonneville
• Cadillac DeVille
• Chevrolet Impala
• Buick LeSabre
• Pontiac Monte Carlo
• Buick Park Avenue

This rotor is designed for front disc brake systems on these vehicles, providing a direct replacement that meets OEM standards.

Common Issues Addressed by This Rotor

• Brake rotor corrosion and rust buildup
• Reduced braking efficiency due to worn or warped rotors
• Excessive brake noise or vibration
• Overheating of brake components during extended use
• Uneven brake pad wear caused by rotor surface irregularities

Installation Notes and Tips

Ensure the rotor is installed on the front axle and matches the vehicle’s lug pattern and bolt circle diameter. Verify rotor thickness before installation; replace if below the discard thickness of 28.70 mm. Clean the rotor surface to remove any protective coating residue before mounting. Proper torque specifications should be followed for lug nuts to avoid rotor warping.

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet or exceed OEM specifications, including precise dimensional tolerances and coating standards. The Geomet coating provides enhanced corrosion resistance to extend rotor life. Warranty details should be confirmed with the manufacturer or distributor, as they may vary by region.