Description
Premium aftermarket replacement fuel water separator cartridge from Fleetguard. FS43258 is the service element for the Cummins filter-in-filter fuel system on the 6.7L Cummins in 2007.5-2009 Ram 2500, 3500, 4500 and 5500 trucks. It is the cartridge and O-ring only: the reusable composite canister stays on the truck, so this is the part you change at every fuel filter interval. The complete filter and shell assembly is sold separately as FS43257.
Specifications
| Manufacturer | Fleetguard |
|---|---|
| Part Number | FS43258 |
| Part Type | Fuel Water Separator Cartridge |
| Engine Compatibility | Cummins ISB 6.7L |
| Media | StrataPore |
| Efficiency | 5 micron at 98.7% |
| Overall Height | 6.22 in |
| Outside Diameter | 3.87 in |
| Gasket Inside Diameter | 1.36 in |
| Includes | Filter cartridge and canister O-ring |
Cross References
This part replaces or is equivalent to the following part numbers:
- Mopar: 68061634AA
- Cummins: 5257768
- Baldwin: PF1392
- Donaldson: P550908
- WIX: 33733
- NAPA: 3733
- Fram: CS10726
- Luber-Finer: L3258F
- Hastings: FF1177
- Mahle: KX639
Applications
This fuel water separator cartridge fits 6.7L Cummins engines found in:
- 2007.5-2009 Ram 2500 and 3500 pickups
- 2007.5-2009 Ram 3500 Cab & Chassis
- 2008-2010 Ram 4500 and 5500 Cab & Chassis
Verify fitment with your VIN or engine serial number and configuration before ordering.









