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• Outside Diameter: 184.904 mm (7.279 in)• Inside Diameter: 117 mm (4.606 in)• Width: 31.2 mm (1.228 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.