Service parts for the QSM1i
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 requiredOil system
1 requiredCooling system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Oil capacity | 36.7 L |
|---|
Engine
| Oil capacity | 36.7 L |
|---|---|
| Coolant capacity | 40.0 L |
| Displacement | 10.8 L |
| Aspiration | Turbocharged and Charge-Air Cooled |
| Rated speed | 1470 rpm |
Maintenance & consumables
for the Cummins/Onan QSM11| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | K&N RU-3220 | — | 1500 hr | ||
| Fuel filter | Fuel filter | 12000183 | Amazon eBay | ||
| Oil filter | 3397929 | 600 hr | Amazon eBay | ||
| Battery | Two, 12 Volt, Group 8D, Cold Cranking Amps (minimum) 900; vented, lead acid | — | 6000 hr | ||
| Belt | Visually check belt for evidence of wear or slippage; replace if hard or brittle | — | 6000 hr | ||
| Coolant | Use coolant solution per Cummins engine Operation and Maintenance Manual | — | 500 hr | ||
| Coolant filter | Coolant Filter | 3376807 | Amazon eBay | ||
| Oil | 9.7 Gal (36.7 L); API classification per Cummins engine Operation and Maintenance Manual | — | 6000 hr | ||
| Spark plug | — | 1500 hr |
Common questions
What engine does the Cummins/Onan QSM1i use?
The Cummins/Onan QSM1i is powered by the Cummins/Onan QSM11 engine.
How much oil does the Cummins/Onan QSM1i take?
The Cummins/Onan QSM11 engine in the Cummins/Onan QSM1i has an oil capacity of 36.7 liters.
Which oil filter part number does the Cummins/Onan QSM1i take?
The Cummins/Onan QSM1i uses oil filter part number 3397929.
What fuel filter does the Cummins/Onan QSM1i use?
The Cummins/Onan QSM1i uses fuel filter part number 12000183.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Coolant Temperature Above Normal - Gradual Overheat | Supplemental coolant additive (SCA) level is above specification or the coolant is overconcentrated with antifreeze | Check the SCA level. Verify the antifreeze concentration. Refer to Section 4. Contact a Cummins Authorized Repair Facility |
| Coolant Temperature Above Normal - Sudden Overheat | Electronic fault codes are active | For instructions on how to read active fault codes, refer ta Diagnostic Fault Codes in Section 1. If fault codes are active, contact a Cummins Authorized Repair Facility. |
| Coolant Temperature is Below Normal | Electronic fault codes are active | For instructions on how to read active fault codes, refer to Diagnostic Fault Codes in Section 1. If fault codes are active, contact a Cummins Authorized Repair Facility. |
| Crankcase Gases (Blowby) Excessive | Crankcase ventilation system is plugged | Check and clean the crankcase breather and vent tube. |
| Engine Acceleration or Response Poor | Electronic fault codes are active | For instructions on how te read active fault codes, refer to Diagnostic Fault Codes in Section 1. If fault codes are active, contact a Cummins Authorized Repair Facility. |
| Engine Decelerates Slowly | Electronic fault codes are active | For instructions on how to read active fault codes, refer to Diagnostic Fault Codes in Section 1. If fault codes are active, contact a Cummins Authorized Repair Facility. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan QSM1i troubleshooting guide (47 entries) →
Parts
70| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 12000180 | Fuel inlet to pump | 1 | Pump | Amazon |
| 12000183 | Fuel filter | 1 | Fuel filter | Amazon eBay |
| 12000185 | Power steering pump mounting location | 1 | Pump | Amazon |
| 12000186 | Oil pressure and temperature sensor | 1 | Oil pressure and temperature sensor | Amazon |
| 12000187 | Engine position sensor | 1 | Engine position sensor | Amazon |
| 13200052 | Slow Idle Feature | Slow idle feature | Amazon | |
| 13200060 | Engine Speed Control Switch | Engine speed control switch | Amazon | |
| 13200087 | Oil Pressure Gauge | Oil pressure gauge | Amazon | |
| 15600049 | Fuel Shutoff Valve | Fuel shutoff valve | Amazon | |
| 19400715 | OEM Interface 21-Pin Harness Connector | Hose | Amazon | |
| 19400718 | OEM Interface 24-Pin Harness Connector | Hose | Amazon | |
| 2871254 | Starter 12V | Starter | Amazon eBay | |
| 2874862 | Alternator 12V | Alternator | Amazon eBay | |
| 2874863 | Alternator 24V | As needed | Alternator | Amazon eBay FridayParts $200.27 |
| 3037425 | Belt | Belt | Amazon eBay $22.85 | |
| 3103916 | Starter 24V | Starter | Amazon eBay $393.22 FridayParts $298.65 | |
| 3200069 | STOP CHECK! | Stop check | Amazon | |
| 33200082 | Engine Stop Button | Engine stop button | Amazon | |
| 3375049 | Oil Filter Wrench | 1 | Oil filter | Amazon eBay |
| 3376326 | Pulley Pusher | Pulley pusher | Amazon eBay | |
| 3376807 | Engine coolant and fuel filter wrench | 1 | Fuel filter | Amazon eBay |
| 3377401 | Pulley Pusher Adapter, 5/16 X 24 X 2 capscrews | Pulley pusher adapter | Amazon eBay | |
| 3397929 | Oil filter wrench | 1 | Oil filter | Amazon eBay |
| 38200567 | Idle Adjustment Switch | Idle adjustment switch | Amazon | |
| 3823494 | Sealant | Fluid | Amazon eBay | |
| 39200434 | Governed rpm | Rpm governor | Amazon | |
| 43200085 | Voltmeter | Voltmeter | Amazon | |
| 43200086 | Tachometer w/Hour Meter | Tachometer | Amazon | |
| 49c00185 | Data Link | Data link | Amazon | |
| A40-TB1-8 | JUMPER WIRE | Belt | Amazon eBay | |
| FS1000 | Fuel Filter | 1 | Fuel filter | Amazon $60.99 eBay $101.98 KuduParts $95.00 |
| LF9001 | Lube Filter | 1 | Oil filter | Amazon eBay $78.82 KuduParts $17.00 |
| LFg9001 | Valvoline® Premium Blue® | Oil filter | Amazon | |
| RU3220 | Air Cleaner | 1 | Air filter | Amazon eBay $79.95 |
| V70509 | Lube Oil | 4 Gal. | Fluid | Amazon eBay |
| WF2072 | Coolant Filter | 1 | Coolant filter | Amazon $41.15 eBay $20.95 |
| 05200182 | Flywheel ring gear sensor | 1 | Service part / kit | Amazon |
| 12000184 | Rail pressure | 1 | Service part / kit | Amazon |
| 12000188 | Freon compressor mounting location. | 1 | Service part / kit | Amazon |
| 19400716 | Hard-Coupled | Service part / kit | Amazon | |
| 19400734 | Intermediate Speed Control | Service part / kit | Amazon | |
| 19800802 | Multiple Unit Synchronization | Service part / kit | Amazon | |
| 3305070 | Heater, 240V | 1 | Service part / kit | Amazon eBay |
| 3315033 | Heater, 120V | 1 | Service part / kit | Amazon eBay |
| 3885910 | Red Paint, Spray can | 3 | Service part / kit | Amazon eBay |
| 492000038 | Operation and Maintenance Nanual | Service part / kit | Amazon | |
| 49800897 | Intermediate Speed Control | Service part / kit | Amazon | |
| 49801587 | Electronic Fan Clutch | Service part / kit | Amazon | |
| 8210G4-12VDC | 1" 12V solenoid | As needed | Service part / kit | Amazon eBay |
| 8210G4-24VDC | 1" 24V solenoid | As needed | Service part / kit | Amazon eBay |
| 98200038 | Engine Steam Cleaning | Service part / kit | Amazon | |
| A40-TB1-1 | B+ | Service part / kit | Amazon eBay | |
| A40-TB1-11 | (COMMON ALARM) | Service part / kit | Amazon eBay | |
| A40-TB1-12 | (B-) | Service part / kit | Amazon eBay | |
| A40-TB1-30 | COMMON ALARM | Service part / kit | Amazon eBay | |
| A40-TB1-31 | (COMMON ALARM) | Service part / kit | Amazon eBay | |
| C2800 | Fleetguard® refractometer | 1 | Service part / kit | Amazon eBay |
| CC2800 | Fleetguard® refractometer | Service part / kit | Amazon eBay | |
| D036 | Service part / kit | Amazon eBay | ||
| D041 | Service part / kit | Amazon eBay | ||
| F154 | Service part / kit | Amazon eBay | ||
| F159 | Service part / kit | Amazon eBay | ||
| H479 | Service part / kit | Amazon eBay | ||
| H487 | Service part / kit | Amazon eBay | ||
| H488 | Service part / kit | Amazon eBay | ||
| H530 | Service part / kit | Amazon eBay | ||
| H556 | Service part / kit | Amazon eBay | ||
| H557 | Service part / kit | Amazon eBay | ||
| K882 | Service part / kit | Amazon eBay $260.95 | ||
| LE9o01 | Cummins Engine Company, Inc. | Service part / kit | Amazon |
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 — Cummins Diesel QSM11 Manual 2000 (2) (Cummins/Onan)