New 203-06-56140 Working Rear Lamp for Komatsu PC400-5 PC200-5 PC200LC-5 PC220-5 PC300LC-5 PC400LC-5 Excavator Parts

Supersession / Replacement Note (Important)

Parts numbers can be updated due to design revisions or supplier changes. Komatsu Australia shows 17A-06-17921 as the latest replacement for 203-06-56140. To avoid mismatch, verify by machine serial number (S/N) and compare the old lamp connector/mounting before ordering.

Common reasons to replace the rear work lamp

• Lamp not working / intermittent lighting

• Cracked lens or water ingress

• Melted connector, wiring overheating, or blown fuse caused by short circuit

• Poor illumination affecting night work safety

Installation tips

Electrical parts are sensitive to incorrect wiring. Please confirm voltage supply, connector pinout, and grounding. Test the circuit before final installation to prevent damage caused by short circuits.