Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | Official Komatsu lamp-assembly reference | 203-06-56140 |
Excavator Spare Parts
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203-06-56140 is a rectangular lamp assembly for a 24V electrical system. Komatsu's official parts record confirms the part number and lamp-assembly identity; the exact owned product label records 24V and 100W, and the retained source folder records the PC1600-1 application. Confirm the complete number, voltage, wattage, three-wire connection, mounting stud and machine serial range before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | Official Komatsu lamp-assembly reference | 203-06-56140 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
2 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Recorded compatible model references include Published Application in Retained Source: Komatsu PC1600-1 excavator, Fitment Limitation: Confirm 203-06-56140, 24V/100W label, wire leads, mounting stud and machine serial range. Confirm the complete part number and machine serial range before ordering.
No alternate number is listed for 203-06-56140. Send the original nameplate for an alternate-number check.
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
Continue comparing verified references from the same system.