Description:Cat clutch pistons are a key component in the planetary assemblies that power tough Cat transmissions to convert engine power into the exact combination of speed and force required by individual machines.Attributes: • Cast iron clutch piston• Width: 19.45 mm (0.7657 in)• Inside Diameter: 281.37 mm (11.0775 in)• Outside Diameter: 339.34 mm (13.3598 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.