4358100 Bushing for Hitachi Backhoe 790DLC 790ELC 230LCOne New Aftermarket Replacement Bucket Arm Bushing for Hitachi and Fits John Deere Excavators This aftermarket replacement bushing fits the boom arm linkage on Hitachi and Fits John Deere crawler excavators. It is located at the H link to link connection point on the dipper arm assembly, a high wear area subject to constant load and articulation during digging operations. Specifications Outer Diameter: 105. 3 mm Inner Diameter: 90. 4 mm Length: 50 mm