Description: Without diesel. 1/2 ton. 1500 series, vacuum power. 11.15 x 2.75" Rear Brakes. 13 x 2 1/2" Rear Brakes. Vacuum Brakes. 1500, vacuum brake. 2008-09. Hold hydraulic fluid used by your vehicle's power steering system This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: Hydroboost. All models. 1 ton. 7.4l. 6.5L, 4wd. All models. 1/2 ton. 6.5l diesel.