Description
Spin-on fuel/water separator for International Class 8 trucks running Cummins ISX with Racor-style fuel housing — replaces International / Navistar 2602549C1 and 2611236C1, Baldwin BF1281, and Donaldson P551839. The Fleetguard FS20040 traps water and fine particulate ahead of the high-pressure fuel system on a 1-14 UN spin-on thread.
Specifications
| Manufacturer | Fleetguard |
|---|---|
| Part Number | FS20040 |
| Part Type | Spin-on Fuel/Water Separator |
| Micron Rating | 10 micron absolute |
| Thread Size | 1-14 UN |
| Outer Diameter | 4.25 in (108 mm) |
| Overall Length | 8.54 in (217 mm) |
Cross References
This filter replaces or is equivalent to the following part numbers:
- International / Navistar: 2602549C1, 2611236C1, 2611236C91
- Freightliner: ABPN122S120FL01
- Baldwin: BF1281, BF46018-O
- Donaldson: P551839
- WIX: WF10006
- NAPA: 601006
- Carquest: 96006
- Luber-Finer: LFF7660
Applications
This fuel/water separator fits Cummins ISX-powered International Class 8 trucks with the Racor-style separator housing. Common platforms include International LT, HX, HV, RH, ProStar, and late-model 9900 series.
Verify your engine and fuel-housing configuration before ordering to confirm fitment.









