Description: With diesel. Hydraulic Brakes. Vacuum Brakes. 1500 series, hyd power. All. 1500, hydraulic brake. 2500, 5.3, 6.0L. 2500 series. 2003-07. , 3/4 ton. 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