Description
PAI 042211 fuel check valve for Cummins N14 series engines, a direct replacement for Cummins 3348332. Mounts at the fuel cooling plate outlet to prevent fuel backflow when the pump is off, preserving residual rail pressure for quicker starts. Machined from lightweight aluminum with a 7/8 in.-14 straight thread and 45-degree flare connection.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 042211 |
| Part Type | Fuel Check Valve |
| Engine Compatibility | Cummins N14 |
| Body Material | Aluminum |
| Thread Size | 7/8 in.-14 (Straight) |
| Flare Angle | 45 degrees |
| Flow Direction | Straight (in-line) |
| Includes | O-ring (PAI 121284 / Cummins 129858) |
Cross References
This part replaces or is equivalent to the following part numbers:
- Cummins: 3348332
Applications
This fuel check valve fits Cummins N14 series engines, including:
- Cummins N14 / N14 Celect / N14 Celect Plus 14.0L (1988-2004)
Representative trucks using these engines:
- Freightliner FLD, Classic, Century with N14 (mid-1990s-2003)
- Kenworth W900, T800, T600 with N14 (mid-1990s-2003)
- Peterbilt 379, 378, 357, 385 with N14 (mid-1990s-2003)
- International 9200, 9400, 9900 with N14 (mid-1990s-2003)
Verify your engine serial number and fuel cooling plate fitting size before ordering to confirm fitment.









