286-8928: 175mm Gage Diameter Piston Ring

Description: Cat intermediate piston rings like 286-8928 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: • Material: Steel • Surface hardened • Gage Diameter: 175mm (6.89 in) • Height: 3mm (0.12 in) • Emissions control Application: Consult your owner's manual or contact your local Cat Dealer for more information.