Description
Fleetguard FS1242B spin-on fuel/water separator with bowl, 9.09 in (231 mm) tall with a 3.92 in (100 mm) outer diameter and a 1-14 UNS-2B mounting thread. Direct replacement for Cummins 3355904, Racor B32001 / S3201, and supersedes the earlier Fleetguard FS1212. Rated at 20 micron with 96% TWA efficiency, 90% emulsified water separation, and 90% free water separation per SAE J1985.
Specifications
| Manufacturer | Fleetguard |
|---|---|
| Part Number | FS1242B |
| Part Type | Spin-On Fuel/Water Separator (with bowl) |
| Thread Size | 1-14 UNS-2B |
| Overall Height | 9.09 in (230.81 mm) |
| Largest Outer Diameter | 3.92 in (99.57 mm) |
| Gasket Outer Diameter | 2.83 in (71.98 mm) |
| Gasket Inside Diameter | 2.46 in (62.53 mm) |
| Standpipe | No |
| Emulsified Water Separation | 90% |
| Free Water Separation | 90% |
| Efficiency (TWA, SAE J1985) | 96% |
| Micron Rating (SAE J1985) | 20 micron |
Cross References
This separator replaces or is equivalent to:
- Cummins: 3355904
- Racor: B32001
- Racor: S3201
- Fleetguard: FS1212 (superseded)
Applications
This fuel/water separator is used in Cummins-powered installations and Racor B-series spin-on housings specifying the 1-14 UNS-2B mount. The merchant catalog does not list specific engine displacement / model fitment for this SKU.
Verify your application’s OEM filter spec before ordering.
