Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | DELCO REMY | 8600375 |
| Interchange Reference | CATERPILLAR | 321-8902 |
Excavator Alternators
1 product photo · Swipe on mobile, or hover and select a thumbnail.
12V 100A CW Alternator reference 8600375. Compare the complete part number, connector layout, mounting points and original unit before ordering; machine serial range can affect fitment.
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 | DELCO REMY | 8600375 |
| Interchange Reference | CATERPILLAR | 321-8902 |
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
4 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 Caterpillar 3512C: Equipment type: Engine, Caterpillar C4.4: Equipment type: Engine, Caterpillar C7.1: Equipment type: Engine, Fitment limitation: Confirm the original part number, electrical rating, pinion or pulley, terminals, mounting geometry and equipment serial range before ordering. Confirm the complete part number and machine serial range before ordering.
Documented direct interchanges: 321-8902.
Confirm voltage and rated amperage against the original alternator label. Compare mounting ears, pulley type and pulley-groove count. Check plug shape, terminal position and regulator connection. Send clear photos of the original unit and connector layout when requesting a quote.
Continue comparing verified references from the same system.