The Cummins/Onan C8.3 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 |
|---|---|---|
| RU5045 | Air Cleaner | air_filter |
| WF2072 | Coolant Filter | coolant_filter |
| V70509 | Lube Oil | fluid |
| FS1251 | Fuel Filter | fuel_filter |
| LF9009 | Lube Filter | oil_filter |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.