Description
Fleetguard FS1023 is a spin-on fuel / water separator with a 1-14 UNS-2B mounting thread used on industrial and off-highway diesel applications. Crosses to Donaldson P550828.
Specifications
| Manufacturer | Fleetguard |
|---|---|
| Part Number | FS1023 |
| Part Type | Spin-On Fuel/Water Separator |
| Thread Size | 1-14 UNS-2B |
| Length | 7.49 in |
| Largest OD | 3.67 in |
| Gasket OD | 2.83 in |
| Gasket ID | 2.46 in |
Cross References
This fuel/water separator replaces or is equivalent to the following part numbers:
- Donaldson: P550828
Applications
This separator fits diesel-engine applications using a 1-14 UNS spin-on fuel/water separator with the dimensions above. Verify your existing filter’s thread, gasket dimensions, and standpipe presence (this unit has no standpipe) before ordering.









