Description
Fleetguard FS1291 is a spin-on fuel / water separator with an integrated water-in-fuel (WIF) sensor port, used on International (IHC) and Case IH applications calling out 1685159C91. For applications that don’t require a sensor port, see Fleetguard FS19932.
Specifications
| Manufacturer | Fleetguard |
|---|---|
| Part Number | FS1291 |
| Part Type | Spin-On Fuel/Water Separator (with WIF sensor port) |
| Length | 6.29 in |
| Largest OD | 4.28 in |
| Gasket ID | 3.60 in |
Cross References
This fuel/water separator replaces or is equivalent to the following part numbers:
- International / Navistar: 1685159C91
- Case IH: 1685159C91
- Donaldson: P551034
- Wix: 33232
- Luber-Finer: LFF3579
Applications
This separator fits International / IHC and Case IH applications calling out 1685159C91 with a WIF sensor-port style fuel filter housing. For non-sensor housings, use FS19932 instead.
Verify whether your existing housing has the WIF sensor port — installing a non-sensor filter on a sensor-equipped housing will throw a fault code.









