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Cummins/Onan QSK19-M Engine

The Cummins/Onan QSK19-M is a 19 L 6-cylinder turbocharged/low temperature aftercooled engine rated at 2100 rpm, producing up to 567 kW. It powers generator sets from Cummins/Onan.

Also known as: CUMMINS QSK19-M

Part of the Cummins/Onan QSK19 engine family — 10 variants share parts & fitment.

19.0 L
Displacement
6
Cylinders
2100 rpm
Rated speed
567 kW
Gross power
On this pageSpecsGenerator setsMaintenanceFAQ

Engine specifications

Displacement19.0 L
Cylinders6
AspirationTurbocharged/Low Temperature Aftercooled
Rated speed2100 rpm
Gross power567 kW

Generator sets powered by this engine

1
Cummins/Onan QSK19-M

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

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filter—
Fuel filter—
Oil filter—
Battery—
Belt—
Coolant—
Oil—
Spark plug—

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Parts cataloged across the Cummins/Onan QSK19 family

102
Part #DescriptionCategory
QSK19GEngine model QSK19GEngine
QSK60GEngine model QSK60GEngine
QSV91GCummins QSV91G lean burn gas generator setsEngine
FP-3202283Gasket, Water PumpGasket
M-4352582Upper Gasket SetGasket
M-4352587Upper Gasket SetGasket
M-3081837Head Bolt – QSK19Head bolt
9001-01IMPELLERImpeller
3007525(3022157) KIT, LINER LINER, CYLINDERService part / kit
3012611CYLINDER LINER (O/S) KIT, LINER A/R .020 inch O/SService part / kit
3012612CYLINDER LINER (O/S) KIT, LINER A/R .030 Inch O/SService part / kit
3022157Cylinder Liner STDService part / kit
3023017Cylinder Liner +.010" UPFService part / kit
3023018Cylinder Liner +.020" UPFService part / kit
3023019Cylinder Liner +.030" UPFService part / kit
3023020Cylinder Liner +.040" UPFService part / kit
3096680Piston STC 13.8:1 RatioService part / kit
3096681Piston KT Series 15.5:1 RatioService part / kit
3096682Piston KTA Series 14.5:1 RatioService part / kit
3096683Piston 13.5:1 RatioService part / kit
3096684Piston KTA 15.7:1 RatioService part / kit
3096685Piston STC 13.9:1 RatioService part / kit
3628731Piston STC KitService part / kit
3630913Piston KTA-50-G7Service part / kit
3631241Piston Kit STC 13.9:1 RatioService part / kit
3631242Piston Kit 13.5:1 RatioService part / kit
3631243Piston Kit KTA 15.7:1 RatioService part / kit
3631244Piston Kit KTA Series 14.5:1 RatioService part / kit
3631245Piston Kit KT Series 15.5:1 RatioService part / kit
3631246Piston Kit STC 13.8:1 RatioService part / kit
3801268CYLINDER LINER (O/S) KIT, LINER A/R .040 Inch O/SService part / kit
3801269Liner Kit +.040" UPFService part / kit
3803530Piston Assembly STCService part / kit
3804747Piston Kit KTA-50-G7Service part / kit
3804885Piston KTA-50-G8/G9Service part / kit
4009220Cylinder Liner QSK19/KT19 STDService part / kit
4009221Cylinder Liner +.020" UPFService part / kit
4009222Cylinder Liner +.040" UPFService part / kit
4009227Cylinder Liner KT19 Block Type #2Service part / kit
4009233Cylinder Liner +.060" UPFService part / kit
4024767Cylinder Liner Kit QSK19/KT19 STDService part / kit
4024768Cylinder Liner Kit +.020" UPFService part / kit
4024769Cylinder Liner Kit +.040" UPFService part / kit
4024770Cylinder Liner Kit KT19 Block Type #2Service part / kit
4024775Cylinder Liner Kit +.060" UPFService part / kit
4089847Piston Kit GTA38/19Service part / kit
4090013Piston Kit KTA-38-M2Service part / kit
4090029Piston Kit QSK19CEService part / kit
4090181Piston GTA38/19Service part / kit
4097889Piston KTA-38-M2Service part / kit
4333987Cylinder Liner +.020" / +.020"Service part / kit
4333988Cylinder Liner +.060" / +.020"Service part / kit
4333989Cylinder Liner +.060" / STDService part / kit
4333991Cylinder Liner QSK19 STD/STDService part / kit
4371771Cylinder Liner Kit +.020" / +.020"Service part / kit
4371772Cylinder Liner Kit +.060" / +.020"Service part / kit
4371773Cylinder Liner Kit +.060" / STDService part / kit
4371779Cylinder Liner Kit QSK19 STD/STDService part / kit
4910463Piston QSK19R/MService part / kit
4910465Piston QSK SeriesService part / kit
4916177Piston GTA/GQSK19Service part / kit
4918058Piston QSK19CEService part / kit
4922319Piston QSK19CService part / kit
4955233Piston Kit QSK19R/MService part / kit
4955235Piston Kit QSK SeriesService part / kit
4955236Piston Kit QSK19CService part / kit
4955238Piston Kit GTA/GQSK19Service part / kit
526-0100Washer, Flat (9/16' ID xService part / kit
800-0093Screw, Hex HeadService part / kit
800-0094Screw, Cap – Hex Head (1/2–13 x 2")Service part / kit
821-2096-03Screw, Flange Head LockService part / kit
821-6003-02Screw, Cap - Hex Head (M8 x 1.25 x 25mm)Service part / kit
851-0023WasherService part / kit
862-0016Nut, HexService part / kit
870-2054Nut, Flanged Locking (M6)Service part / kit
A040A357Panel, CoverService part / kit
A040B391Busbar, GroundService part / kit
A040J745BracketService part / kit
A041A931Busbar, CopperService part / kit
A041Z271Panel, TerminalService part / kit
A042X594Busbar, CopperService part / kit
A043K271Box, Circuit BreakerService part / kit
BER0005BEARINGService part / kit
BER0020BEARINGService part / kit
CAMSET0019CAM LINER(BRONZE)Service part / kit
FP-3090469Valve, ExhaustService part / kit
FP-3170135Guide, ValveService part / kit
FP-4089500Piston Ring SetService part / kit
FP-4095009Pin, Piston (Exc. Articulated Pistons)Service part / kit
FP-4957806Spring, ValveService part / kit
JSK0069SERVICE KITService part / kit
QSK19Fuel SystemService part / kit
SHA0088SHAFTService part / kit
FP-3042827Shaft, Water PumpPump
4308809Flat Seal for Cylinder LinerSeal
4333984D-Type Seal LinerSeal
4371769Seal KitSeal
4371770D-Type Seal KitSeal
MCSSET0006M-SEALSeal
FP-3076489ThermostatThermostat
338-4386Harness, MeterWiring
A029G375Harness, RelayWiring

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

What is the displacement of the Cummins/Onan QSK19-M?

The Cummins/Onan QSK19-M has a displacement of 19.0 liters with 6 cylinders.

Which generators use the Cummins/Onan QSK19-M engine?

The Cummins/Onan QSK19-M powers 1 generator set(s), including Cummins/Onan QSK19-M.