Piston ring compatible with Caterpillar(CAT) series:1.Dia from 105. 00mm---158.75mm2.Engine Type: 7E5213, 9S3068, 2W1709, 2W6091, 1W8922, 8N0822,2114321 ,1979386,1979354,1979277,1W5105, 2W1707, 2W1708, 610497, 2W8265 etc,3.Remark: 1)For European& American, Korean & Japanese etc.2)Good...