HomeCummins/OnanCummins/Onan QSK45

Cummins/Onan QSK45 Generator Set

Cummins/Onan QSK45 generator set: . Specifications, engine details, filters, oil capacity and 3 document types.

3
Document types

How to read your Cummins/Onan serial & model number →

Specifications

Ratings spec sheet not in our library yet — see the documents below.

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Fuel filterStrataPore™ fuel filter media find

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Troubleshooting

4

Fault codes

CodeMeaning
OSOverspeed
LOPLow Oil Pressure
HETHigh Engine Temperature
Fault 1High Engine Temperature Shutdown

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

15
Part #DescriptionQtySystem
M-3331970Spacer Gasket for QSK45 and QSK60 Engine applicationsSpacer gasket buy
M-4089203Juego Turbo e Interenfriador N. ° de Pieza1Turbocharger buy
M-4089233Juego Turbo e Interenfriador N. ° de Pieza1Turbocharger buy
M-4089307Lower Pump Set1Pump buy
3163156Service cable for InPower™Service part / kit buy
3886301InPower™ electronic service toolService part / kit buy
M-4089083Single Cylinder HeadARService part / kit buy
M-4089201Quadrant Aftercooler Set4Service part / kit buy
M-4089202Cooling System Set1Service part / kit buy
M-4089231Quadrant Head Set4Service part / kit buy
M-4089308Lower Fuel Set1Service part / kit buy
M-4089509Juego Sistema Enfriamiento N. ° de Pieza1Service part / kit buy
M-4955369Quadrant Aftercooler Set4Service part / kit buy
MCB1815668Juego Junta Inferior N. ° de Pieza (ESN ≥ 567492)Service part / kit buy
MCB674399Juego Junta Inferior N. ° de Pieza (ESN ≤ 567491)Service part / kit atldiesel $130.82

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Available documents

Spec sheetReferenceService manual