Service parts for the 125 DYD-15R
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredCooling 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 | 125 kW |
| Standby kVA | 125 |
| Voltage options | 220/380 V, 347/600 V |
| Phase | 3 |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Element, Filter - Air Cleaner | 140-1735 | Amazon eBay $50.00 | ||
| Coolant filter | Radiator (Includes Cap) | 130-0844 | Amazon eBay |
Common questions
How many kW is the Cummins/Onan 125 DYD-15R?
The Cummins/Onan 125 DYD-15R is rated 125 kW standby (125.0 kVA).
What voltages is the Cummins/Onan 125 DYD-15R available in?
The Cummins/Onan 125 DYD-15R is offered in 220/380 V, 347/600 V, 3-phase.
What air filter fits the Cummins/Onan 125 DYD-15R?
The Cummins/Onan 125 DYD-15R uses air filter part number 140-1735.
Parts
25| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 130-0833 | Cap, Radiator | 1 | Coolant filter | Amazon eBay |
| 130-0844 | Radiator (Includes Cap) | 1 | Coolant filter | Amazon eBay |
| 140-1735 | Element, Filter - Air Cleaner | 1 | Air filter | Amazon eBay $50.00 |
| 191-0688 | Alternator - Includes Regulator (Motorola #70D44039B04) | 1 | Alternator | Amazon eBay NAPA $373.20 |
| 191-0781 | Pulley - Alternator Drive | 1 | Alternator | Amazon eBay |
| 191-1348 | Starter, Electrical - 24 Volt | 1 | Pump | Amazon eBay |
| 193-0249 | Sender, Temperature - Oil | 1 | Sensor | Amazon eBay |
| 309-0178 | Switch, High Water Temperature Top Mounted On Water Outlet Housing | 1 | Sensor | Amazon eBay $350.00 |
| 309-0179 | Switch, High Water Temperature (Standard Part) Side Mounted On Water Outlet Housing | 1 | Sensor | Amazon eBay |
| 309-0269 | Sender, Temperature-Lo Engine | 1 | Sensor | Amazon eBay $239.00 |
| 501-0225 | 45' Lg - With Both Ends 1/8' NPT Male Fittings | 1 | Belt | Amazon eBay |
| 501-0227 | Line, Fuel - Flexible (24' La x 1/8' NPT Male x-1/8° NPT Male) | 1 | Hose | Amazon eBay |
| 503-0465 | Clamp, Hose | 4 | Hose | Amazon eBay $23.99 |
| 503-0606 | Hose, Rubber - Upper | 1 | Hose | Amazon eBay |
| 130-0829 | Shroud, Fan | 1 | Service part / kit | Amazon eBay |
| 130-0832 | Guard, Fan | 1 | Service part / kit | Amazon eBay |
| 130-0845 | Shroud, Radiator | 1 | Service part / kit | Amazon eBay |
| 140-1548 | Indicator, Service | 1 | Service part / kit | Amazon eBay $49.99 NAPA $32.16 |
| 149-1453 | Cover | 1 | Service part / kit | Amazon eBay |
| 191-0733 | Regulator, Voltage - 24 Volt (Model 8RF3016A) | 1 | Service part / kit | Amazon eBay |
| 191-0850 | Bracket, Mounting - Alternator | 1 | Service part / kit | Amazon eBay |
| 191-0851 | Bracket, Adjusting - Alternator | 1 | Service part / kit | Amazon eBay |
| 320-0240 | Circuit Breaker | 1 | Service part / kit | Amazon eBay |
| 405-2016 | Bracket, Mounting - Front Panel | 1 | Service part / kit | Amazon eBay |
| 502-0051 | Coupling, Pipe - Hex (1/8 NPT x 9/16”) | 1 | 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 — 973-0223 Onan DYD Parts Manual (9-1979) (Cummins/Onan)
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.