PowerStop AR8668EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number AR8668EVC) is engineered for reliable braking performance on select Chevrolet, Pontiac, Saturn, and Suzuki vehicles. Designed specifically for rear disc brake applications, this rotor offers corrosion resistance and precise fitment for models like the Chevrolet Equinox and Pontiac Torrent.

• Compatible with Chevrolet Captiva Sport, Equinox, Pontiac Torrent, Saturn Vue, and Suzuki XL-7
• Part Number: AR8668EVC
• Vented disc brake rotor design for improved heat dissipation
• Geomet rust-resistant coating to reduce corrosion
• Nominal thickness of 0.79 inches and discard thickness of 0.72 inches (18.40 mm)
• Overall height of 2.80 inches (71.80 mm) and outside diameter of 11.90 inches (303.00 mm)
• Mounting bolt hole circle diameter of 4.50 inches (115.00 mm) with 5 lug holes

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

The Power Stop - Rear Genuine Geomet Coated Rotor line focuses on providing rotors with a durable Geomet coating that protects against rust and corrosion. This coating extends the rotor's service life, especially in environments prone to moisture and road salt exposure. The vented rotor design enhances heat dissipation, helping maintain consistent braking performance under normal driving conditions. This product line is tailored for rear brake applications on specific vehicle models, ensuring proper fit and function.

Technical Specifications and Features

This disc brake rotor features a vented design that improves airflow and heat management during braking. The nominal thickness of 0.79 inches (20.00 mm) and discard thickness of 0.72 inches (18.40 mm) provide clear service limits for maintenance. The rotor measures 11.90 inches (303.00 mm) in outside diameter and has an overall height of 2.80 inches (71.80 mm). It mounts using a 5-lug pattern with a bolt hole circle diameter of 4.50 inches (115.00 mm), ensuring compatibility with the specified vehicle models.

Applications and Problem Solving

• Replacement for worn or warped rear rotors on Chevrolet Equinox and Pontiac Torrent
• Addresses brake noise and vibration issues caused by uneven rotor surfaces
• Prevents rust-related rotor degradation in humid or salted road conditions
• Restores braking efficiency for vehicles experiencing reduced stopping power
• Suitable for routine maintenance and brake system overhauls on compatible models

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 18.40 mm before installation. Clean the hub surface to remove rust and debris for proper rotor seating. Use the correct torque specifications for the 5-lug mounting pattern to avoid rotor warping. It is recommended to replace brake pads simultaneously to optimize braking performance. Verify compatibility with Chevrolet Captiva Sport, Equinox, Pontiac Torrent, Saturn Vue, or Suzuki XL-7 before installation.

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The Geomet coating provides enhanced corrosion resistance to extend rotor life. While specific warranty details are not provided here, Power Stop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.