PowerStop AR8670EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number AR8670EVC) is engineered for reliable braking performance on select Buick and Cadillac models. Designed specifically for the rear disc brake system, this rotor offers corrosion resistance and precise fitment for the Buick Lucerne and Cadillac DTS.

• Compatible with Buick Lucerne and Cadillac DTS rear disc brake systems
• Solid disc brake rotor with a 292 mm outside diameter
• Durable Geomet rust-resistant coating for extended rotor life
• Nominal thickness of 12.00 mm with a discard thickness of 10.50 mm
• Mounting bolt hole circle diameter of 115 mm with 5 lug holes
• Overall height options of 50.70 mm and 2.00 mm for precise fit

Detailed Rotor Specifications and Features

This Power Stop rotor is a solid type disc brake rotor, measuring 292 mm in outside diameter and designed to fit rear brake assemblies on Buick Lucerne and Cadillac DTS vehicles. The rotor features a nominal thickness of 12.00 mm and a discard thickness of 10.50 mm, ensuring safe replacement intervals. Its Geomet coating provides rust resistance, helping to maintain rotor integrity and appearance over time. The rotor includes a mounting bolt hole circle diameter of 115 mm and 5 lug holes with a 4.50 mm diameter, matching factory specifications for secure installation.

Power Stop - Rear Genuine Geomet Coated Rotor Product Line

The Power Stop - Rear Genuine Geomet Coated Rotor line focuses on delivering rotors with a factory-style Geomet coating that resists rust and corrosion. This coating enhances the rotor's durability without affecting braking performance. The product line is designed to meet or exceed OEM specifications, providing a direct replacement for rear disc brake rotors on compatible vehicles such as the Buick Lucerne and Cadillac DTS.

Common Applications and Problem Solving

• Replacement for worn or warped rear rotors on Buick Lucerne and Cadillac DTS
• Addresses rotor corrosion and rust buildup with Geomet coating
• Restores braking performance and reduces brake noise
• Prevents premature rotor wear due to environmental exposure
• Ensures proper rotor thickness for safe braking operation

Installation Notes and Tips

When installing the Power Stop AR8670EVC rotor, ensure the mounting surface is clean and free of debris. Verify the rotor thickness before installation to confirm it meets the nominal 12.00 mm specification and is above the discard thickness of 10.50 mm. Use proper torque specifications for the 5 lug bolts on the 115 mm bolt circle diameter. It is recommended to replace brake pads simultaneously to maintain optimal braking performance.

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet OEM standards and undergo quality control inspections to ensure durability and fitment accuracy. The Geomet coating provides additional protection against rust and corrosion. Warranty details should be confirmed with the product documentation or manufacturer, as coverage may vary.