118-4086,096-1628 Pilot Valve Plunger Kit For Caat

These part numbers correspond to internal repair components for a Caterpillar (CAT) excavator joystick pilot control valve.

Here are the specific details for each part:

118-4086 (1184086): Pilot Valve Rod Pusher / Plunger. Located directly beneath the joystick handle, this plunger moves downward when the operator moves the control stick to regulate hydraulic pilot oil flow.

096-1628 (0961628): Pilot Valve Plug. This is a cylindrical valve plug with precise internal passages designed to seat with the rod pusher, controlling fluid direction and minimizing internal pressure drops or leaks.

These components are widely used across many classic and modern CAT excavator models (especially the 320 series), including:

Excavators: 320B, 320C, 320D, 323D, 330C, 336D, 345C, 349D

Small/Midi Excavators: 307C, 308C, 311C, 312C, 313D

Wheel Excavators: M313C, M315C, M316C

118-4086,096-1628 Pilot Valve Plunger Kit For Caat

118-4086,096-1628 Pilot Valve Plunger Kit