The Cummins/Onan QSK19 engine line groups 5 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| M-4352582 | Upper Gasket Set | gasket |
| M-4352587 | Upper Gasket Set | gasket |
| M-3081837 | Head Bolt – QSK19 | head_bolt |
| 526-0100 | Washer, Flat | other_service |
| 800-0093 | Screw, Hex Head | other_service |
| 800-0094 | Screw, Hex Head | other_service |
| 821-2096-03 | Screw, Flange Head Lock | other_service |
| 821-6003-02 | Screw, Hex Head | other_service |
| 851-0023 | Washer | other_service |
| 862-0016 | Nut, Hex | other_service |
| 870-2054 | Nut, Flange Lock | other_service |
| A040A357 | Panel, Cover | other_service |
| A040B391 | Busbar, Ground | other_service |
| A040J745 | Bracket | other_service |
| A041A931 | Busbar, Copper | other_service |
| A041Z271 | Panel, Terminal | other_service |
| A042X594 | Busbar, Copper | other_service |
| A043K271 | Box, Circuit Breaker | other_service |
| 338-4386 | Harness, Meter | wiring |
| A029G375 | Harness, Relay | wiring |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.