Description:Filler caps allow easy access to fill ports and protect internal engine components from dirt, debris, moisture and contaminants. Cat threaded caps and plugs are held to the highest standards of quality and reliability. These caps and plugs are manufactured to exacting tolerances to ensure leak free connections. Quality you expect for your equipment.Attributes:Engine oil filler capApplication:Consult your owner's manual or contact your local Cat Dealer for more information.