The Cummins/Onan 6BTA5.9 engine line groups 10 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 191-1983-02 | Alternator, 24 Volt Spec B-O (Prestolite) | alternator |
| 191-i981.1 | Alternator, 24 Volt Spec E-H (Bosch) | alternator |
| 960-0136 | Battery, 24V, 55Ah, AGM | battery |
| 3824469 | fuel pump gear puller | fuel_pump |
| 3822509 | injector puller | injector |
| 3823276 | injector bore brush | injector |
| 3377259 | bosch timing tool (ve) | other_service |
| 928-0502B | other_service | |
| 928-0506 | other_service | |
| 960-0504A | other_service | |
| 960-0505 | other_service | |
| 960-12 | other_service | |
| 191-i962-02 | Starter, Negative Ground 24 volt Spec B-F | starter |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
This engine family also powers 18 generator set(s) on Facts About Generators.