The Cummins/Onan KTTA50 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 |
|---|---|---|
| 140-2503 | Bracket, Mounting | Air filter |
| 140-3163 | Cleaner, Air (No Replaceable Element) | Air filter |
| 140-3230 | Cleaner, Air (Includes Elements - See Ref. No. 25 and 26) | Air filter |
| 0300-4623-33 | DFLE (600V) | Current transformer |
| 0300-4623-57 | DFLE BR (0-480V) | Current transformer |
| 140-1260 | Fitting, Safety Filter | Service part / kit |
| 140-2395 | Tube, Air Inlet | Service part / kit |
| 140-2504-01 | Bracket - Right Side | Service part / kit |
| 140-2504-02 | Bracket - Left Side | Service part / kit |
| 140-2509 | Tube, Air Inlet | Service part / kit |
| 140-2528 | Shield – Air In Heat | Service part / kit |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.