2005-2006 Chevrolet Cobalt Rear: Drum. 2008 Chevrolet Cobalt LT. 2008 Chevrolet Cobalt LS. 2007 Chevrolet Cobalt Rear: Drum. Low Coefficient Of Friction. Notes: Disc Brake Hardware Kit. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.