Description:Cat brake pistons are a critical component in the brake system for Cat machine drive trains, allowing the machines to slow, stop, or hold a stationary position.Attributes:• Material: Cast Iron• 4 external flanges with dowel clearance holes provides exact OEM fit• Inside Diameter: 462 mm (18.188 in)• Width: 94.6 mm (3.724 in)Application:Brake pistons are used in Cat drive train braking systems. Consult your owner’s manual or contact your local Cat Dealer for more information.