Description:Replacement impeller for torque convertor group.Attributes:• Material: Cast Aluminum• Number of Blades: 33• Outside Diameter: 500 mm (19.685 in)• Inside Diameter: 203 mm (7.992 in)• Height: 105.17 mm (4.140 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.