ACDelco 18A912 Front Disc Brake Rotor Black Hat 11.1 Inch

The ACDelco 18A912 is a front disc brake rotor engineered to deliver reliable braking performance for General Motors vehicles as well as many other makes and models. This black hat design rotor is part of the ACDelco Gold (Professional) line, offering a high-quality alternative to Original Equipment parts at an economical price point.

Key Specifications:

• Rotor diameter: 11.1 inches
• Nominal thickness: 0.906 inches
• Minimum thickness: 0.83 inches
• Rotor height: 1.9 inches
• Center hole diameter: 2.5 inches
• OEM cross-reference: GM 19175092

Performance Features:

• Manufactured to meet OEM specifications for fit, form, and function
• Follows original manufacturer designs for optimal heat dispersal
• Inspected for balance to ensure smooth brake operation and noise reduction
• Thickness variation less than 0.0004 inches to minimize pedal pulsation
• Independently tested for noise, vibration, and harshness (NVH) performance
• Rust-preventative coating provides corrosion protection for superior durability
• G3000 qualified material meets SAE standards for structural integrity
• Ready to install right out of the box—no machining required

This rotor is designed for front axle installation and is commonly used on Honda and Acura applications. ACDelco Gold parts are backed by General Motors and feature rigorous testing to ensure dependable stopping power and extended brake pad life.