The Cummins/Onan ESG642 engine line groups 2 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 1-800-888-6266 | Phone number for Cummins Power Generation | Service part / kit |
| 928-0142D | Operator’s Manual with PowerCommand® Control PCC2100 | Service part / kit |
| TB1-5 | Charger AC Failure | Terminal block |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.