The Cummins/Onan 6B 5.9-D(M) Configuration No. D401052MX02 is an engine. It powers generator sets from Cummins/Onan, including the 45MCGGA and 55MCGGA.
Also known as: Cummins 6B 5.9-D(M) Configuration No. D401052MX02
Part of the Cummins/Onan 6B5.9 engine family — 3 variants share parts & fitment.
How to read your Cummins/Onan engine serial & model number →
| Part # | Description | Category |
|---|---|---|
| 201-3434-01 | Diode, Positive (Forward) Includes Lead | Service part / kit |
| 201-3434-02 | Diode, Negative (Reverse) Includes Lead | Service part / kit |
| 509-0266-01 | Ring, O | Seal |
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 6B 5.9-D(M) Configuration No. D401052MX02 powers 2 generator set(s), including Cummins/Onan 45MCGGA, Cummins/Onan 55MCGGA.