Description
The Fleetguard FS19593 is a spin-on fuel/water separator delivering 99% free water removal and contamination filtration for heavy-duty diesel applications using Racor S3226-style mounting. It’s the OE service filter for Freightliner chassis fuel/water separator housings paired with Detroit Diesel engines, replacing Racor S3226, Alliance N122R50418, and Freightliner S3226FL02Y.
Specifications
| Manufacturer | Fleetguard / Cummins Filtration |
|---|---|
| Part Number | FS19593 |
| Part Type | Spin-On Fuel/Water Separator |
| Outer Diameter | 4.25 in (107.95 mm) |
| Overall Height | 6.25 in (158.75 mm) |
| Thread Size | 1-14 UNF-2B |
| Free Water Separation | 99% |
| Drain | Yes |
Cross References
This fuel/water separator replaces or is equivalent to the following part numbers:
- Racor / Parker: S3226, S3226-FG-01, S3226P
- Alliance: N122R50418, ABPN122R50418, ABPN122S3226FL02, S3226FL02
- Freightliner: ABPS3226FL02, S3226FL02Y
- Donaldson: P551034
- Baldwin: BF9898-O
- WIX: 33812
- Luber-finer: LFF5850
- Wabasto: WF10016
- Hyundai: 319457L002
Applications
This fuel/water separator fits Freightliner-supplied chassis fuel filtration housings using the Racor S3226 spin-on element, commonly paired with:
- Detroit Diesel Series 60 (11.1L / 12.7L / 14.0L)
- Other on-highway diesel applications using the Racor S3226 secondary fuel/water separator housing
Representative vehicles using this housing:
- Freightliner FLD, Classic, Century, Columbia, Coronado
- Sterling chassis trucks with Freightliner-spec fuel filtration
Verify the OEM part number on your existing housing or filter cap before ordering to confirm fitment.
