The Cummins/Onan QSJ5.9G engine line groups 4 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 3824510 | Belt tension gauge, click type (v-belts‘and v-ribbed with 4 or 5 ribs) | other_service |
| A047A982 | EControls GCP E-Com USB interface cable | other_service |
| A026M166 | Accessory seal kit | seal |
| B180313494 | Onan C50N6 March Inspection | service_type |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.