For 2004 GMC Sonoma Disc Brake Kit Rear Centric. 2004 GMC Sonoma Position: Rear;. Part Type: Disc Brake Kit. 1 x 301.07290 Rear Pads - 2 x 121.66039 Rear Discs;. Compatible Years: 2004. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
