Hydraulic Pump Repair Kit Description
This Hydraulic Pump Repair Kit is indexed for Caterpillar s: Excavator: Caterpillar CAT312C Specification: Piston *18 Cylinder Block*2 Valve Plate R*1 Valve Plate L*1 Retainer Plate*2 Ball Guide*2 Swash plate*2 Saddle bearing*4 Drive Shaft R*1 Drive Shaft L*1 Retainer washer*2 Ball Guide Spring*12 Center pin Spring seat*1. Compare reference number pilotpart486675 against the label on your existing Caterpillar component before ordering.
Before checkout, compare OEM part number pilotpart486675, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.




