The Donaldson P551329 is a high-performance fuel separator filter designed for diesel engines. It efficiently separates water and other contaminants from fuel, ensuring that clean fuel flows to the engine. This filter is widely used in various heavy-duty applications, including industrial, construction, and agricultural machinery. It helps protect critical engine components like fuel injectors and pumps, improving engine performance and longevity.
| Specification | Details |
|---|---|
| Part Number | P551329 |
| Filter Type | Fuel/Water Separator Spin-On |
| Dimensions | Height: 177 mm (6.97 inches) |
| Outer Diameter | 93 mm (3.66 inches) |
| Thread Size | 7/8″-14 UNF |
| Micron Rating | 20 microns |
| Water Separation | Yes, built-in water separation feature |
| Operating Pressure | Up to 100 PSI |
| Flow Rate | Depends on engine application |
| Replacement Interval | 250-500 operating hours, depending on the environment and fuel quality |
















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