3037281 Pin Link to Dipper EX150 Fits HITACHI EX150, EX160One New Aftermarket Replacement Link to Dipper Pin for Hitachi Excavators This bucket linkage pin connects the H link to the dipper arm (stick) on Hitachi EX150 and EX160 crawler excavators. It is a critical bucket attachment component that must be replaced when worn to maintain proper bucket control and excavation performance. Each machine requires one pin at this position. Compatible Models Hitachi Crawler Excavators: EX150, EX150 1, EX160 Replaces