ACDelco 18A2922B Silver Rear Disc Brake Rotor

The ACDelco 18A2922B is an ACDelco Silver rear disc brake rotor designed as a quality, high-value replacement for a wide range of vehicles. Backed by General Motors, this solid rear rotor delivers dependable braking performance and is engineered to meet or exceed original equipment standards.

Key Features:

• Non-directional ground finish minimizes thickness variation to reduce pedal pulsation and extend brake pad life
• G3000-grade cast iron construction meets SAE standards for structural integrity and consistent performance
• Mill-balanced design ensures smooth, quiet brake operation without requiring additional balancing weights
• Application-specific engineering follows original manufacturer designs for optimal heat dissipation, helping to prolong both pad and rotor life
• Independently tested using Noise/Vibration/Harshness (NVH) and durability/wear protocols for verified quality
• No machining required — ready to install straight out of the box
• Sold individually (1 rotor per package)

ACDelco Silver (formerly ACDelco Advantage) parts represent a smart, economical choice backed by the quality assurance of General Motors. The 18A2922B is covered by ACDelco's limited warranty, providing added confidence and peace of mind.