Performance:The master cylinder helps increase the hydraulic pressure of the brake fluid, which brings your car to a stop.It helps in supplying the required vacuum to the brake booster so that your vehicle’s brakes will operate efficiently.Replace the old or broken one directly.Easy installation, good to match your car.Made of:Made of quality material, wear resistant and corrosion resistant. It is not easy to deform after long term use, and it is resistant to temperatures.Feature:Specification:Type: Automotive Brake Master CylinderColor: Silver Tone, WhiteMaterial: Aluminum Alloy, PlasticInstallation Position: Engine CompartmentFitment Type: Direct replacementOE Number:472013D380/M390367Vehicle Specific Fit:for Toyota 4Runner 1996-2000Installation Guide:Direct replace the broken Brake Master Cylinder.