331-6025: 130mm Gage Diameter Intermediate Piston Ring

Description:Cat intermediate piston rings are split rings that fit into a groove on the OD of the piston body between the top ring and the oil ring. Piston rings function to form a seal between the piston body and the cylinder wall that prevents the loss of combustion cylinder gases to the crank case, maintains a constant level of lubricating oil between the cylinder wall and the piston and regulates engine oil consumption by scraping oil from the cylinder wall back to the sump.Attributes:• Cast iron full face chrome intermediate piston ring• Outside diameter (Gage): 130 mm (5.118 in)• Emissions controlApplication:Consult your owner's manual or contact your local Cat Dealer for more information.