Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | Official Cat fender-wiring-harness reference | 275-6803 |
| Same-number Formatting Alias | Search alias only | 2756803 |
Excavator Spare Parts
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275-6803 is documented by Caterpillar as a fender wiring harness, correcting the imported fan-pump-harness label. The manufacturer describes connections for the fender relay, motor ground, filter pressure switch, PTO switch and related fused circuit. Compatible models include 320D, 320D GC, 320D L, 320D FM, 323D and 323D L excavators. Confirm the complete number, connector keying, branches, fuse 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 Manufacturer Part Number | Official Cat fender-wiring-harness reference | 275-6803 |
| Same-number Formatting Alias | Search alias only | 2756803 |
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 Excavators: Cat 320D / 320D GC / 320D L / 320D FM / 323D / 323D L, Fitment limitation: Confirm number, connector keying, branches, fuse and serial range. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 2756803.
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.