Description:Retainer used to position and retain the diaphragm in the fuel ratio control mechanism for the governor and fuel injection pump.Attributes:• Material: Aluminum• Thread Size: 7/16-20• Outside Diameter: 51.97 mm (2.046 in)• Inside Diameter: 10 mm (0.393 in)• Thickness: 14.2 mm (0.559 in)• Emissions ControlApplication:Consult your owner's manual or contact your local Cat Dealer for more information.