CTC-5J7013A is the Hercules PTFE 2-piece hydraulic piston seal reference for selected Caterpillar components. This two-piece PTFE piston seal is used for low-friction sealing between the piston and cylinder bore. The critical dimensions are 3.500 in bore, 2.960 in groove diameter, 0.192 in width. The sealing element uses glass/moly-filled PTFE.








