Description
The Fleetguard FS20172 is a 10-micron cartridge fuel/water separator that directly replaces Paccar K37-1029 on EPA17 and newer Cummins X12, X15, ISX12, ISX15 engines and Paccar MX-11 / MX-13 engines in Kenworth and Peterbilt trucks. StrataPore coalescing media protects high-pressure common-rail injectors from water and fine particulates.
Specifications
| Manufacturer | Fleetguard (Cummins Filtration) |
|---|---|
| Part Number | FS20172 |
| Part Type | Fuel/Water Separator Cartridge |
| Engine Compatibility | Cummins X12, X15, ISX12, ISX15 (EPA17+); Paccar MX-11, MX-13 |
| Filtration Media | StrataPore |
| Micron Rating | 10 micron |
| Length | 7.62 in |
| Outside Diameter | 4.16 in |
Cross References
This cartridge replaces or is equivalent to the following part numbers:
- Paccar: K37-1029 (and superseded K37-1010, K37-1011, K37-1012)
- Baldwin: PF46081
- Donaldson: P581299
- Wix: WF10500
- Luber-Finer: L5111F
- NAPA: 600500
- Carquest: 96684
Applications
This fuel/water separator fits the following engines:
- Cummins X15 / ISX15 (EPA17, 2017+)
- Cummins X12 / ISX12 (EPA17, 2017+)
- Paccar MX-13 (EPA17, 2017+)
- Paccar MX-11 (EPA17, 2017+)
Representative vehicles using these engines:
- Kenworth T680, T880, W900, W990 (2017+)
- Peterbilt 579, 567, 389, 367 (2017+)
This cartridge is for EPA17 and newer trucks running the Paccar K37-1029 fuel-housing platform. Verify your engine and model year before ordering — pre-2017 Cummins ISX uses a different filter.









