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:• Cast iron brake piston• Outside Diameter: 609.5 mm (23.996 in)• Inside Diameter: 336.45 mm (13.246 in)• Width: 66.13 mm (2.603 in)• Thread Size: 3/8-16 (2 Places)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.