Description:Cat® Mini Hydraulic Excavator Boom Bearing Lock Plate is used to curb the horizontal swing of the boom. Cat® Parts are manufactured to precise specifications and are built for durability, reliability, productivity, less environmental impact and reuse. They are designed to deliver optimum strength and wear life, reducing maintenance frequency.Application:Plate part #6034641 is used in the Boom Bearing as Locking plate in Cat® Mini Hydraulic Excavator. Consult your owner's manual or contact your local Cat Dealer for more information.