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:• Hardened steel clutch piston• Width: 41.75 mm (1.6437 in)• Inside Diameter: 82.25 mm (3.238 in)• Outside Diameter: 182 mm (7.165 in)Application:Service component of clutch group used in Cat transmissions. Consult your owner's manual or contact your local Cat Dealer for more information.