The Cummins/Onan KTTA19 engine line groups 3 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 122-0526 | Bypass Hood, Air Inlet (Used on Heavy Duty Air Cleaner) | Air filter |
| 140-2096 | Element, Primary (Outer) | Air filter |
| 140-2098 | Air Cleaner - Throwaway Type | Air filter |
| 140-2463 | 140-2464 3 98-5822 4 309-0436 505-0117 5 309-0437 SOS- SOS 503 8 501 9 1 SO- lO 130 11 98 | Air filter |
| 140-2464 | Air Cleaner - Safety Standard | Air filter |
| 140-2467 | Element, Safety (Inner) | Air filter |
| 309-0272 | Regulator, Voltage - 24 VDC (Used on 35 A MP Alternator) | Alternator |
| 205431 | Cable, Battery - Jumper (12"LG) | Battery |
| 511-0162 | Belt, Drive - Fan | Belt |
| 3318319 | Cummins Part No. DCA4 Units | Coolant filter |
| 333-0407-05 | Heater, Oil (300 Watt, 480 Volt) | Fluid |
| 149-2249 | Filter, Fuel | Fuel filter |
| 130-3538 | Chemical DCA4 Service Pre-Charging Complete System | Hose |
| 130-3576 | Clamp, Hose | Hose |
| 333-0407-02 | Hose, Radiator | Hose |
| 333-0407-04 | Hose, Radiator | Hose |
| 501-0554 | Line. Flexible | Hose |
| 503-0183 | Clamp, Hose | Hose |
| 98-5759 | Drive - Multi Groove Hose, Flexible - Lube (Grease) | Hose |
| 3313283 | Bypass oil filter (Cummins Part No. 3313283) | Oil filter |
| 140-2097 | Cleaner, Air (Includes Elements) | Service part / kit |
| 3318201 | Battery Cable Group | Service part / kit |
| 332-1281 | Plate, Mounting - Terminal | Service part / kit |
| 332-1292 | Terminal Board (Includes Parts Marked #) | Service part / kit |
| 501-0084 | Line, Fuel - Flexible "FUEL OUT" (45' 7/8-14 Female Swivel x | Service part / kit |
| 501-0216 | Line, Fuel | Service part / kit |
| 502-0175 | Part 502-0175 | Service part / kit |
| 50510 | Bushing, Reducer - Flush (1/2 NPT x 3/8 NPT) | Service part / kit |
| 800-0270 | DCA4 Service Pre-Charging Complete System | Service part / kit |
| 903-0125 | NA | Service part / kit |
| 903-0205 | NA | Service part / kit |
| 903-0605 | NA | Service part / kit |
| 98-6108-02 | Label - Warning (HOT PRESSURIZED COOLANT SYSTEM) | Service part / kit |
| 98-6108-03 | Decal - Model Identification | Service part / kit |
| 98-6111-02 | Decal - Model Identification ONAN GEN SET | Service part / kit |
| 98-6111-03 | ONAN GEN SET CUMMINS GEN SET | Service part / kit |
| 98-6139-02 | CUMMINS GEN SET | Service part / kit |
| 98-6139-03 | CUMMINS ONAN GEN SET | Service part / kit |
| 193-0244 | Sender, Pressure - 0i1 | Sensor |
| 193-0353 | Sender, Temperature - Oil | Sensor |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.