The Cummins/Onan B43M engine line groups 3 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| FS-1406-2 | Nikki CARBURETOR WITH SEMI-AUTOMATIC CHOKE AND LIMITED IDLE ADJUSTMENT SCREW | air_filter |
| C-1075 | breather tube | breather_tube |
| FS-1663 | FLOAT ASSEMBLY | float_assembly |
| FS-1440 | NEEDLE VALVE | needle_valve |
| LS-1170 | Oil, crankcase | oil_filter |
| ES-1001 | BRUSH WEAR LIMIT | other_service |
| ES-1003 | other_service | |
| ES-1332 | VOLTAGE REGULATOR CONNECTIONS | other_service |
| ES-1333 | IGNITION COIL | other_service |
| FS-1000 | SIDE PULL GOVERNOR ASSEMBLY | other_service |
| FS-1512 | FRONT PULL GOVERNOR ASSEMBLY | other_service |
| ES-1334 | ELECTRIC STARTER | starter |
| M-1318 | wing nut | wing_nut |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.