The Donaldson P550588 Fuel Filter with Water Separator is designed for use in diesel engines to remove contaminants and water from the fuel system. Its Spin-On Twist & Drain design allows for easy maintenance, making it a highly efficient and user-friendly option for industrial, agricultural, and heavy-duty applications. This filter provides superior protection for fuel injectors and pumps, helping to extend the engine’s life and maintain optimal performance.
| Specification | Details |
|---|---|
| Part Number | P550588 |
| Filter Type | Fuel/Water Separator Spin-On |
| Height | 138 mm (5.43 inches) |
| Outer Diameter | 93 mm (3.66 inches) |
| Thread Size | 1″-14 UNF |
| Micron Rating | 20 microns |
| Water Separation | Yes, with Twist & Drain valve for easy water removal |
| Operating Pressure | Up to 100 PSI |
| Flow Rate | 28-30 GPH (Gallons Per Hour) |
| Replacement Interval | 250-500 operating hours or as specified by the manufacturer |
| Water Collection Bowl | Compatible with a clear bowl for easy monitoring (sold separately) |


















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