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 |
Filters for the Isuzu 4BG1
5Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P550596 | Lube Filter, Spin-On Full Flow | ISUZU 1132402321, ISUZU 1132402322, BALDWIN B7217, WALGAHN-MOTORENTECHN 00811323 | KuduParts $48.00 FridayParts $49.99 |
| Oil filter | P502060 | Lube Filter, Spin-On Full Flow | BALDWIN PA2135, GENERAC 10157778, YANMAR 12367235151, GEHL 127389 | KuduParts $21.00 FridayParts $22.88 |
| Fuel filter | P550057 | Fuel Filter, Spin-On | ISUZU 1132400090, ISUZU 130366120, NAPA 3386, WALGAHN-MOTORENTECHN 00811389 | KuduParts $12.00 FridayParts $34.80 |
Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Fuel / water separator | P550391 | Fuel Filter, Water Separator Spin-On | BALDWIN BF798, GENERAC 0A53990244, EXXEL PTY LTD 14240023, EXXEL PTY LTD 14240064 | FridayParts $15.99 |
| Fuel / water separator | P502424 | Fuel Filter, Water Separator Cartridge | ISUZU 1876183960, ISUZU 5876100900, NAPA 3740, BALDWIN PF7984 | KuduParts $96.00 |
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 NAPA $50.98 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 is the continuous rating of the MQ Power DCA-45SSIU2 WhisperWatt?
The MQ Power DCA-45SSIU2 WhisperWatt is rated 40 kW prime, against 45 kW standby.
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
21Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine does not start | No fuel | Replenish fuel |
| Engine does not start | Air in the fuel system | Bleed the system |
| Engine does not start | Water in the fuel system | Remove water from fuel tank |
| Engine does not start | Fuel pipe clogged | Clean fuel pipe |
| Engine does not start | Fuel filter clogged | Clean or change fuel filter |
| Engine does not start | Excessively high viscosity of fuel or engine oil at low temperature | Use the specified fuel or engine oil |
| Engine does not start | Fuel with low cetane number | Use the specified fuel |
| Engine does not start | Fuel due to air entering the injection pump | Tighten the pipe nut |
| Engine does not start | Incorrect injection timing | Adjust |
| Engine does not start | Fuel cam shaft worn | Replace |
| Engine does not start | Injection nozzle clogged | Clean injection nozzle |
| Engine does not start | Injection pump malfunction | Repair or replace |
| Engine does not start | Size of crank shaft, cam shaft, piston, cylinder liner bearing | Repair or replace |
| Engine does not start | Compression leak from cylinder | Replace head gasket, tighten cylinder head bolt, glow plug and nozzle holder |
| Engine does not start | Improper valve timing | Correct or replace timing gear |
| Engine does not start | Piston and liner worn | Replace |
| Engine does not start | Excessive valve clearance | Adjust |
| Circuit Breaker Tripped | Short Circuit in load | Check load and repair |
| Circuit Breaker Tripped | Over Current | Confirm load requirements and reduce |
| Circuit Breaker Tripped | Defective circuit breaker | Check and replace |
| Circuit Breaker Tripped | Over Current Relay actuated | Confirm load requirement and replace |
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 | Oil filter | 1 | Oil filter | Amazon eBay |
| 100-003 | Fuel filter | 1 | Fuel filter | Amazon eBay |
| 100-004 | Air Filter | 1 | Air filter | Amazon Amazon eBay |
| 100-005 | Air Filter Element | 1 | Air filter | Amazon Amazon eBay $8.98 eBay NAPA $34.86 |
| 100-006 | Spark Plug | 1 | Spark plug | Amazon eBay |
| 100-007 | Battery | 1 | Battery | Amazon eBay KuduParts $153.00 |
| 100-008 | Bolt (M12-1.75) | 1 | Bolt m12 1 75 | Amazon eBay |
| 100-009 | Belt | 1 | Belt | Amazon eBay KuduParts $14.00 |
| 100-010 | Bolt (M20-3.5) | 1 | Bolt m20 3 5 | Amazon Amazon eBay eBay |
| 100-011 | Thermostat | 1 | Thermostat | Amazon Amazon eBay eBay |
| 100-012 | Impeller | 1 | Impeller | Amazon Amazon eBay eBay |
| 100-013 | Injector | 1 | Injector | Amazon Amazon eBay $95.56 eBay |
| 100-014 | Sensor | 1 | Sensor | Amazon eBay |
| 100-015 | Hose | 1 | Hose | Amazon eBay KuduParts $8.00 |
| 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 | |
| 98-99 | Fuel tank cleaning. | Fuel tank cleaning | Amazon eBay | |
| DCA-45SSIU2 | 120V input receptacles | 2 | Air filter | 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 | |
| 104-105 | Enclosure (Rubber Seals) | Service part / kit | Amazon eBay | |
| 106-107 | Oil Piping 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 | Output Terminal Assembly | Service part / kit | Amazon eBay | |
| 84-85 | Battery Assembly | Service part / kit | Amazon eBay FridayParts $62.70 | |
| 86-87 | Actuator Assembly | Service part / kit | Amazon eBay | |
| 88-89 | Muffler Assembly | Service part / kit | Amazon eBay | |
| 90-91 | Fuel Tank 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 |
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)
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.