The Cummins/Onan QSX15-G4 is a 15 L engine. It powers generator sets from Cummins/Onan, including the BCC 440-50 E2.
Part of the Cummins/Onan QSX15 engine family — 8 variants share parts & fitment.
| Displacement | 15.0 L |
|---|
| Part # | Description | Category |
|---|---|---|
| AF25544 | Recommended air cleaner element - (heavy duty) primary element | air_filter |
| AF25545 | Recommended air cleaner element - (heavy duty) secondary element | air_filter |
| M-4376220 | Upper Gasket Set | gasket |
| M-4376221 | Lower Gasket Set | gasket |
| 3163156 | Service cable for InPower™ | other_service |
| 3822735 | Plastic bead media | other_service |
| 3886301 | InPower™ electronic service tool | other_service |
| 956-0120 | other_service | |
| 956-0220 | other_service | |
| 960-0132 | other_service | |
| 960-0174B | other_service | |
| TB3-5 | Generator Set Control Panel Terminal Block | other_service |
| TB3-6 | Generator Set Control Panel Terminal Block | other_service |
| M-5473087 | Piston Kit | piston_kit |
| M-5484414 | Piston Pin | piston_pin |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Cummins/Onan QSX15-G4 has a displacement of 15.0 liters.
The Cummins/Onan QSX15-G4 powers 1 generator set(s), including Cummins/Onan BCC 440-50 E2.