HomeCummins/OnanCummins/Onan QSF3.8 CM2350 F107

Cummins/Onan QSF3.8 CM2350 F107 Generator Set

The Cummins/Onan QSF3.8 CM2350 F107 is a generator set powered by a Cummins/Onan ISX15 CM2350 X101 engine.

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Document types

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

Service parts for the QSF3.8 CM2350 F107

Grouped by system, with how many of each the parts manual calls for.

Fuel system

1 required
3398231Fuel filtersee priceAmazon

Oil system

1 required
3400158Oil filtersee priceAmazon

Belts

1 required
3163524Beltsee priceAmazon

Cooling system

1 required
08900101Coolant filtersee priceAmazon

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

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

Maintenance & consumables

for the Cummins/Onan ISX15 CM2350 X101
ItemSpecCapacityPart #Interval
Air filter1000 hr
Fuel filterFuel filter wrench3398231 Amazon eBay
Oil filter34001581000 hr Amazon eBay
Battery1000 hr
BeltCummins® Pulley Alignment Fixture3163524500 hr Amazon eBay
Coolant
Coolant filter08900101500 hr Amazon eBay
Hydraulic filter
Oil100 hr
Spark plug100 hr

Common questions

What engine does the Cummins/Onan QSF3.8 CM2350 F107 use?

The Cummins/Onan QSF3.8 CM2350 F107 is powered by the Cummins/Onan ISX15 CM2350 X101 engine.

What oil filter fits the Cummins/Onan QSF3.8 CM2350 F107?

The Cummins/Onan QSF3.8 CM2350 F107 uses oil filter part number 3400158.

What fuel filter does the Cummins/Onan QSF3.8 CM2350 F107 use?

The Cummins/Onan QSF3.8 CM2350 F107 uses fuel filter part number 3398231.

Troubleshooting

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Symptoms & remedies

SymptomCauseRemedy
Engine Runs Rough at IdleSTEP 4: Allow the engine to warm to operating temperature. If the engine will not reach operating temperature, refer to the Coolant Temperature ig Below Normal troubleshooting symptom tree in Section TS.
Engine Runs Rough or MisfiresSTEP 4: Allow the engine to warm to operating temperature. If the engine will not reach operating temperature, refer to the Coolant Temperature ig Below Normal troubleshooting symptom tree in Section TS.
Engine Shuts Off Unexpectedly or Dies During DecelerationSTEP 4: Refer to the Engine Difficult to Start or Will Not Start troubleshooting symptom tree in Section TS.
Moisture in the wiring harness connectorsSTEP 5: Dry the connectors with Cummins® electrical contact cleaner, Part Number 3824510. Refer to equipment manufacturer service information.
OEM engine protection system is malfunctioningSTEP 6: Isolate the OEM engine protection system. Follow the OEM service manual instructions to check for a malfunction.
Battery voltage supply to the engine control module (ECM) is low, interrupted, or openSTEP 7: Check the battery connections, the fuses, and the unswitched battery supply circuit. Refer to equipment manufacturer service information.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan QSF3.8 CM2350 F107 troubleshooting guide (10 entries) →

Parts

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Part #DescriptionQtySystem
06600633Filter element (canister type)1Filter element Amazon eBay
06800078O-ring seal (canister type)1O ring seal Amazon eBay
08600642Filter element (spin-on type)1Filter element Amazon eBay
08900101Cooling Fan Belt TensionerTensioner Amazon eBay
08900118Drive Belt, Cooling FanBelt Amazon eBay
10100098Dust Ejection Valve, Air Cleaner AssemblyValve Amazon eBay
10100099Dust Ejection Valve, Air Cleaner AssemblyValve Amazon eBay
1100093Aftertreatment DEF dosing unit filter1Filter Amazon eBay FridayParts $145.00
11800272Diesel Exhaust Fluid Level IndicatorFluid level indicator Amazon eBay
11800273Diesel Exhaust Fluid Level IndicatorFluid level indicator Amazon eBay
3164488Digital Multimeter Measure voltage on electrical equipmentBelt Amazon eBay FridayParts $505.58
3164489multimeterMultimeter Amazon eBay
3164490clamp-on current probeClamp-on current probe Amazon eBay
3164794Torque Wrench Micro-adjust 3/8 drive 10-100 ft-lbTorque wrench micro adjust 3 8 drive Amazon eBay
3164795Torque Wrench Dial type 3/8 drive 0-250 in-lbTorque wrench dial type Amazon eBay
3164797Torque Wrench Micro-adjust 1/2 drive 50-250 ft-lbTorque wrench micro adjust 1 2 drive Amazon eBay
3398231Fuel filter wrench1Fuel filter Amazon eBay
3400158Filter Wrench Oil and Fuel Filters1Filter wrench Amazon eBay
3822525Use on v-beits larger than 7/8 in. and v-ribbed belts with 6 or more ribs.1Belt Amazon eBay
3823258abrasive padAbrasive pad Amazon eBay
40100097Mechanical Indicator, Air Cleaner RestrictionMechanical filter Amazon eBay
40100098Reset Button, Air Cleaner RestrictionMechanical filter Amazon eBay
41600459Aftertreatment DEF dosing unit filter equalizing element1Filter element Amazon eBay
41900143Aftertreatment DEF dosing unit filter element1Filter element Amazon eBay
00c00184Aftertreatment DEF dosing valveService part / kit Amazon eBay
05400219CAUTIONService part / kit Amazon eBay
1100805Cummins Emission Solutions™ partnumberService part / kit Amazon eBay FridayParts $55.89
11600108Aftertreatment DEF dosing unit filterService part / kit Amazon eBay
19401862CAUTIONService part / kit Amazon eBay
19401975CAUTIONService part / kit Amazon eBay
3163524Cummins® Pulley Alignment FixtureService part / kit Amazon eBay
3822735Plastic bead blasting media1Service part / kit Amazon eBay
38227365Plastic bead mediaService part / kit Amazon eBay
3824591Engine barring gear1Service part / kit Amazon eBay FridayParts $18.60
41400907SCR SYSTEM CLEANING DISABLED (INHIBIT) LAMPService part / kit Amazon eBay
ck800waCAUTIONService part / kit Amazon eBay
ckB00WaCAUTIONService part / kit Amazon eBay
oi20avtCAUTIONService part / kit Amazon eBay

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

Service manual — Manual Cummins QSF3.8 CM2350 F107 (Cummins/Onan)