Service parts for the DCA-45SSIU2 WhisperWatt
Grouped by system, with how many of each the parts manual calls for.
Oil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 45 kW |
| Prime power | 40 kW |
| Emissions | FEMA |
Maintenance & consumables
for the Isuzu 4BG1| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Every 50 hours | — | 50 hr | ||
| Fuel filter | — | ||||
| Oil filter | 1134202322 | Amazon eBay $39.99 KuduParts $48.00 | |||
| Belt | — | ||||
| Coolant filter | — | ||||
| Spark plug | — |
Compatible filters for the Isuzu 4BG1 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.
- Air filter: Isuzu 142151830 Isuzu IF10604003F Isuzu IF10604002F Donaldson P543661 Donaldson P780522
- Fuel filter: Isuzu 8981527372 Isuzu H132401 Donaldson P502424 Donaldson P550391 Donaldson P550057
Common questions
What is the power rating of the MQ Power DCA-45SSIU2 WhisperWatt?
The MQ Power DCA-45SSIU2 WhisperWatt is rated 45 kW standby.
What engine does the MQ Power DCA-45SSIU2 WhisperWatt use?
The MQ Power DCA-45SSIU2 WhisperWatt is powered by the Isuzu 4BG1 engine.
What oil filter does the MQ Power DCA-45SSIU2 WhisperWatt use?
The MQ Power DCA-45SSIU2 WhisperWatt uses oil filter part number 1134202322.
What fuel filter fits the MQ Power DCA-45SSIU2 WhisperWatt?
The MQ Power DCA-45SSIU2 WhisperWatt uses fuel filter part numbers ISUZU 8981527372, ISUZU H132401.
What air filter does the MQ Power DCA-45SSIU2 WhisperWatt use?
The MQ Power DCA-45SSIU2 WhisperWatt uses air filter part numbers ISUZU 142151830, ISUZU IF10604003F.
Troubleshooting
2Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine does not start | Battery voltage is too low | Check battery connections and charge or replace the battery |
| Engine runs rough | Fuel filter is clogged | Clean or replace fuel filter |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
62| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 100-002 | Fuel Filter | 1 | Fuel filter | Amazon eBay |
| 100-003 | Air Filter | 1 | Air filter | Amazon eBay |
| 100-004 | Coolant Filter | 1 | Air filter | Amazon Amazon eBay |
| 100-005 | Belt | 1 | Belt | Amazon Amazon eBay $8.98 eBay KuduParts $239.99 |
| 100-006 | Spark Plug | 1 | Spark plug | Amazon eBay |
| 100-007 | Bolt (M10-1.5) | 1 | Bolt m10 1 5 | Amazon eBay KuduParts $153.00 |
| 100-008 | Bolt (M12-1.75) | 1 | Bolt m12 1 75 | Amazon eBay |
| 100-009 | Belt | 2 | Belt | Amazon eBay KuduParts $14.00 |
| 100-010 | Spark Plug | 1 | Spark plug | Amazon Amazon eBay eBay |
| 100-011 | Thermostat | 1 | Thermostat | Amazon Amazon eBay eBay KuduParts $210.99 |
| 100-012 | Impeller | 1 | Impeller | Amazon Amazon eBay eBay |
| 100-013 | Injector | 1 | Injector | Amazon Amazon eBay eBay $95.56 |
| 100-014 | Sensor | 1 | Sensor | Amazon eBay |
| 100-015 | Hose | 1 | Hose | Amazon eBay KuduParts $8.00 |
| 104-105 | Water Pump and Corrosion Resistor Assembly | Pump | Amazon eBay | |
| 106-107 | Thermostat Housing Assembly | Thermostat | Amazon eBay | |
| 108-109 | Oil Filter Housing Assembly | Oil filter | Amazon eBay | |
| 110-111 | Air Cleaner Housing Assembly | Air filter | Amazon eBay | |
| 112-113 | Fuel Filter Housing Assembly | Fuel filter | Amazon eBay FridayParts $58.50 | |
| 116-117 | Spark Plug Housing Assembly | Spark plug | Amazon eBay FridayParts $25.02 | |
| 122-123 | Alternator Housing Assembly | Alternator | Amazon eBay | |
| 130-131 | Fuel Injector Housing Assembly | Injector | Amazon eBay | |
| 132-133 | Fuel Pump Housing Assembly | Fuel pump | Amazon eBay | |
| 150-151 | Fuel Filter Housing Assembly | Fuel filter | Amazon eBay | |
| 152-153 | Air Cleaner Housing Assembly | Air filter | Amazon eBay | |
| 154-155 | Fuel Injector Housing Assembly | Injector | Amazon eBay | |
| 156-157 | Fuel Pump Housing Assembly | Fuel pump | Amazon eBay | |
| HP1-20-30 | Generator Mounting (complete with belts and generator pulley) | 1 | Generator mounting | Amazon eBay |
| HP1-20-35 | Trailer, 6' (with 2 mounting rails and used tires, 'off highway only') (assembled) | 1 | Trailer | Amazon eBay |
| 100-101 | Exhaust Manifold Assembly | Service part / kit | Amazon eBay | |
| 102-103 | Ventilation Assembly | Service part / kit | Amazon eBay | |
| 114-115 | Ignition Coil Assembly | Service part / kit | Amazon eBay | |
| 118-119 | Fuel Tank Assembly | Service part / kit | Amazon eBay | |
| 120-121 | Battery Terminal Assembly | Service part / kit | Amazon eBay | |
| 124-125 | Voltage Regulator Housing Assembly | Service part / kit | Amazon eBay | |
| 126-127 | Governor Housing Assembly | Service part / kit | Amazon eBay | |
| 128-129 | Throttle Body Housing Assembly | Service part / kit | Amazon eBay | |
| 134-135 | Fuel Line Assembly | Service part / kit | Amazon eBay | |
| 136-137 | Exhaust Pipe Assembly | Service part / kit | Amazon eBay | |
| 138-139 | Muffler Housing Assembly | Service part / kit | Amazon eBay | |
| 140-141 | Cooling Fan Assembly | Service part / kit | Amazon eBay | |
| 142-143 | Radiator Housing Assembly | Service part / kit | Amazon eBay | |
| 144-145 | Oil Pan Cover Assembly | Service part / kit | Amazon eBay | |
| 146-147 | Crankcase Vent Cap Assembly | Service part / kit | Amazon eBay | |
| 148-149 | Oil Dipstick Assembly | Service part / kit | Amazon eBay | |
| 158-159 | Exhaust Pipe Assembly | Service part / kit | Amazon eBay | |
| 160-161 | Muffler Housing Assembly | Service part / kit | Amazon eBay | |
| 162-163 | Cooling Fan Assembly | Service part / kit | Amazon eBay | |
| 164-165 | Radiator Housing Assembly | Service part / kit | Amazon eBay | |
| 166-167 | Oil Pan Cover Assembly | Service part / kit | Amazon eBay | |
| 168-169 | Crankcase Vent Cap Assembly | Service part / kit | Amazon eBay | |
| 170-171 | Oil Dipstick Assembly | Service part / kit | Amazon eBay | |
| 82-83 | Cylinder Head Cover Assembly | Service part / kit | Amazon eBay | |
| 84-85 | Cylinder Head Assembly | Service part / kit | Amazon eBay FridayParts $62.70 | |
| 86-87 | Cylinder Block Assembly | Service part / kit | Amazon eBay | |
| 88-89 | Oil Pan and Level Gauge Assembly | Service part / kit | Amazon eBay | |
| 90-91 | Camshaft and Valve Assembly | 1 | Service part / kit | Amazon Amazon eBay eBay |
| 92-93 | Crankshaft, Piston and Flywheel Assembly | Service part / kit | Amazon eBay | |
| 94-95 | Timing Gear and Flywheel Housing Assembly | Service part / kit | Amazon eBay | |
| 96-97 | Engine Mounting Assembly | Service part / kit | Amazon eBay | |
| 98-99 | Inlet Manifold Assembly | Service part / kit | Amazon eBay | |
| DCA-45SSIU2 | Output Terminal Panel | 2 | Service 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
Parts manual — WhisperWatt DCA45SSIU FEMA (MQ Power)