Description
Fleetguard FS19512 spin-on fuel/water separator, 5.76 in (146 mm) tall with a 3.72 in (94 mm) outer diameter and a 1-12 UNF-2B mounting thread. Direct replacement for Cummins 3092319 and Caterpillar 30012094, with verified crosses to Wix 33725 / NAPA 3725 and Carquest 86725.
Specifications
| Manufacturer | Fleetguard |
|---|---|
| Part Number | FS19512 |
| Part Type | Spin-On Fuel/Water Separator |
| Thread Size | 1-12 UNF-2B |
| Overall Height | 5.76 in (146 mm) |
| Largest Outer Diameter | 3.72 in (94 mm) |
Cross References
This separator replaces or is equivalent to:
- Cummins: 3092319
- Caterpillar: 30012094
- Wix: 33725
- NAPA: 3725
- Carquest: 86725
Applications
This fuel/water separator is used in Cummins- and Caterpillar-spec installations calling out the 1-12 UNF-2B mount. The merchant catalog does not list specific engine displacement / model fitment for this SKU.
Verify your equipment’s fuel-system OEM filter spec before ordering to confirm fitment.









