ACDelco Silver 18A1627A Rear Rotors are designed for select vehicles ranging from 2004-2011. These rotors feature multi-alloy construction and optimized vane configuration for better heat dissipation, airflow, and brake pad longevity. A non-directional finish minimizes noise and ensures even contact of with brake pads. Backed by GM, this high-value brake set combines trusted quality, safety, and easy maintenance, all at an affordable price. Each order includes 1 rear rotor for your rear brakes. Explore ACDelco's complete assortment of brakes and rotors to upgrade all auto parts in your brake set. To ensure a proper fit, verify your VIN # in 3 quick and easy steps through the Confirmed Fit tool.