... other hand,we also do Excavator another parts,like bearing,gear,oil seal,Engine parts,undercarriage.If our goods are Interested you ... 's size.Replacement parts of front idler for Caterpillar,Komatsu,Hitachi,Kobelco,Mitsubishi,Sumitomo,Daewoo,Hyundai, and etc. No.Part No.ModelWeight190306-04080FURUKAWA PCR20018 ... items are products of the OEM excavator sprocket of undercarriage parts