PowerStop AR82161EVC Disc Brake Rotor - Front

Power Stop Front Genuine Geomet Coated Rotor Overview

The Power Stop - Front Genuine Geomet Coated Rotor (Part Number AR82161EVC) is engineered for precise fitment on Cadillac ATS and CT4 models. Designed to meet OEM specifications, this vented disc brake rotor offers reliable performance and enhanced durability for your vehicle's braking system.

• Compatible with Cadillac ATS and CT4 front disc brake systems
• Vented rotor design for improved heat dissipation
• Rust resistant Geomet coating to reduce corrosion
• Nominal thickness of 30.00 mm with a discard thickness of 27.00 mm
• Overall diameter of 321.00 mm (12.60 inches) for exact fit
• Mounting bolt hole circle diameter of 115.00 mm with 5 lug holes
• Overall height of 61.20 mm (2.40 inches) for proper alignment

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 features rotors coated with a Geomet rust-resistant finish. This coating helps protect the rotor surface from corrosion and extends the service life, especially in environments prone to moisture and road salt. The vented design enhances cooling efficiency, reducing the risk of brake fade during extended use.

Technical Specifications and Features

The AR82161EVC rotor is a vented disc brake rotor with a nominal thickness of 30.00 mm and a discard thickness of 27.00 mm, ensuring safe replacement intervals. Its 321.00 mm outside diameter and 115.00 mm mounting bolt hole circle diameter with 5 lug holes provide a precise fit for Cadillac ATS and CT4 front brake assemblies. The overall height of 61.20 mm ensures proper rotor-to-caliper clearance. The Geomet coating offers rust resistance, maintaining rotor integrity and appearance over time.

Applications and Problem Solving

• Replacement for worn or warped front rotors on Cadillac ATS and CT4
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps prevent rust and corrosion-related rotor damage
• Improves heat dissipation to reduce brake fade during heavy braking
• Restores braking performance to OEM standards

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it meets or exceeds the discard thickness of 27.00 mm. Clean the rotor surface to remove any protective coating residue before mounting. Verify the mounting bolt hole circle diameter of 115.00 mm and 5 lug holes match your vehicle’s hub. Proper torque specifications should be followed when securing the rotor to avoid warping.

Quality Assurance and Warranty

Power Stop manufactures this rotor to meet or exceed OEM quality standards. The Geomet coating provides additional protection against rust and corrosion, contributing to longer rotor life. While specific warranty details are not provided, Power Stop products typically come with manufacturer-backed quality assurance to ensure reliable performance on Cadillac ATS and CT4 vehicles.