Oil capacity: 7.6 L (8.0 US qt) (GM8.1L-HO). The General Motors GM8.1L engine line groups 2 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Variant | Displacement | Cylinders | Rated rpm | Oil capacity | Coolant |
|---|---|---|---|---|---|
| GM8.1L | 8.1 L | — | — | — | — |
| GM8.1L-HO | 8.1 L | 8 | 1,800 | 7.6 L (8.0 qt) | 22.3 L |
Each figure is from that variant’s own documents (see its engine page for sources). Oil capacity can differ between applications of the same engine; check the manual for your generator set.
| Part # | Description | Category |
|---|---|---|
| A029A407 | Gasket, Mixer to Adapter | Gasket |
| LF16109 | Filter, Oil (Fleetguard) (Not Shown) | Oil filter |
| 963-0601 | PowerCommand Control (2100 Series) | Service part / kit |
| A026D979 | Converter, Catalytic | Service part / kit |
| A026E804 | Muffler | Service part / kit |
| A026F055 | Muffler | Service part / kit |
| A026H163 | Regulator, Fuel | Service part / kit |
| A026H167 | Regulator, Fuel / Regulator, Fuel (Vapor NG/LP) | Service part / kit |
| A026H171 | Regulator, Fuel | Service part / kit |
| A026H173 | Regulator, Fuel | Service part / kit |
| A026H951 | Control, Fuel | Service part / kit |
| A026H952 | Control, Fuel | Service part / kit |
| A028Z105 | Sender, Low Coolant | Sender |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.