ACDelco 18A81049B Silver Rear Disc Brake Rotor

The ACDelco 18A81049B is an ACDelco Silver rear disc brake rotor engineered as a quality, high-value alternative for General Motors vehicles as well as most makes and models. Backed by General Motors, this rotor delivers reliable stopping power and is designed to restore smooth, predictable braking performance.

Key Features:

• Application-specific vane configuration for greater safety and performance, noise and vibration dampening, and maximized airflow to keep the rotor running cool
• Non-directional ground finish minimizes thickness variation and helps extend brake pad life
• Thickness variation less than 0.0004" to minimize pedal pulsation and noise
• OE-matched G3000 qualified material meets SAE standards for structural integrity and guaranteed performance
• No machining required — installs directly out of the box
• Manufactured to meet specifications for fit, form, and function
• Backed by General Motors quality assurance

ACDelco Silver parts (formerly sold as ACDelco Advantage) provide a dependable, economical solution for everyday braking needs. This rear disc brake rotor mounts to the wheel hub, giving brake pads a stable, true surface to clamp against for quiet, consistent deceleration.