Description
PAI 121090OEM is an aftermarket oil pump oil line assembly replacing Cummins 3082622, sized at 5.75″ overall. Used on Cummins 855-series engines (Small Cam, Big Cam I-IV, NT / NTC / NTA-855) and the Cummins N14 mechanical / Celect / Celect Plus, where it carries pressurized oil between the pump and the bottom-end gallery.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 121090OEM |
| Replaces | Cummins 3082622 |
| Part Type | Oil Pump Oil Line Assembly |
| Length | 5.75″ |
| Engine Compatibility | Cummins 855 series and N14 |
Cross References
This oil line replaces or is equivalent to the following part numbers:
- Cummins: 3082622
Applications
This oil line fits the following Cummins engines:
- Cummins 855 (Small Cam) 14.0L (1960s-1970s)
- Cummins Big Cam I, II, III, IV 855 14.0L (1976-1988)
- Cummins NT-855 / NTC-855 / NTA-855 14.0L (1980s-1990s on-highway)
- Cummins N14 mechanical / Celect / Celect Plus 14.0L (1991-2002)
Representative vehicles using these engines:
- Kenworth W900, T800, W900L with N14 / NTC-855 (1990s)
- Peterbilt 379, 378 with N14 / NTC-855 (1990s)
- Freightliner FLD120 / Classic with N14 (1990s)
- International 9300, 9400 series with N14 (1990s-early 2000s)
Verify the engine cam style (Small Cam vs Big Cam) and oil pump configuration on your block before ordering. The Cummins 855 family went through several pump/line revisions across its production run.









