The Cummins/Onan QSB5 engine line groups 9 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 0179-3714 | Air Cleaner Instl | Air filter |
| PI144D1 | Alternator Model | Alternator |
| UC274C | Alternator Model | Alternator |
| UC274K | Alternator Model | Alternator |
| 8C-3627 | Fuel Filter | Fuel filter |
| 250-0486 | Oil Filter | Oil filter |
| 0100-3853-01 | Engine-Diesel (4ISBeG1) | Service part / kit |
| 0179-3628 | Radiator Assy | Service part / kit |
| 0179-4344 | Outlet Sockets Box Instl | Service part / kit |
| 0179-4365 | Fuel System Instl | Service part / kit |
| 0179-4466 | Circuit Breaker Assy | Service part / kit |
| 0179-4472 | Heater Instl | Service part / kit |
| 0179-4517 | Skid Assy (XRS) | Service part / kit |
| 0179-4542 | Battery Isolator Assy | Service part / kit |
| 0300-6029 | Accessory Instl | Service part / kit |
| 0338-0000 | Harnesses | Service part / kit |
| 0403-5265-02 | Spacer-Generator (UC274C) | Service part / kit |
| 0403-5835-02 | Skid | Service part / kit |
| 0403-5850-02 | Skid | Service part / kit |
| 0403-5962 | End Cap-Skid | Service part / kit |
| 0403-5966 | End Cap-Skid (Assy) | Service part / kit |
| 0405-8842 | Enclosure | Service part / kit |
| 101-4000 | Gasket | Service part / kit |
| 127-0826 | Battery | Service part / kit |
| 153-5720 | Battery | Service part / kit |
| 250-0488 | Spark Plug | Service part / kit |
| 8C-3600 | Battery | Service part / kit |
| 8C-3601 | Battery | Service part / kit |
| 8C-3620 | Belt | Service part / kit |
| V2403-M-E3BG | Engine Model | Service part / kit |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.