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• Six external flanges provide exact OEM fit• Width: 52.02 mm (2.048 in)• Inside Diameter: 411.33 mm (16.194 in)• Outside Diameter: 482.6 mm (19.000 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.