153-5391: Cylinder Block Expansion Plug

Description: Cat plugs are plain or threaded disks or cylinders used for sealing holes and ports on engine blocks, oil pans, and housings. Plugs are most generally used as shipping plugs or drain plugs. Attributes: Plug Application: Cat plugs are common components carried by small repair shops or field service vehicles for service and repair and are used on the engine cylinder block. Cat plugs are application specific. Consult your owner’s manual or contact your local Cat Dealer for more information.