Description:Part # 587-9388 provides a thrust washer for the differential that transmits power by use of a torque-proportioning limited slip feature.Thrust washers are designed to provide axial location to gears, bearings and other components rotating about a shaft. These components may include features that promote lubrication and cooling in support of large axial loads and high rotational speeds.Attributes:• Steel thrust washer with 3 external tabs• Inside Diameter: 86 mm (3.385 in)• Outside Diameter: 139.7 mm (5.500 in)• Thickness: 4.92 mm (0.193 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.