... front idler spare parts 2:50Mn, 52-58HRC 3:Models: Various 4:Warranty:6 Month 5:MOQ&Delivery: 2Pcs, 30pcs Front Idler Roller ... Group Excavator Spare Parts IdlerGuid Roller ,Idler wheelThe company mainly produces all ... bulldozer undercarriage parts,such as Track Roller, Carrier Roller, Sprocket ,Segmnet, Front Idler, Track Link assembly,Track Shoes,Track ...