Description
Fleetguard FK11011 fuel/water separator cartridge — direct replacement for Detroit Diesel A4720921705 — for 2020-and-newer Detroit DD13, DD15, and DD16 engines. The 4-micron absolute media protects high-pressure common-rail injectors from particulate and water carryover before fuel reaches the rail. Service O-rings are included with the cartridge.
Specifications
| Manufacturer | Fleetguard (Cummins Filtration) |
|---|---|
| Part Number | FK11011 |
| Part Type | Fuel/Water Separator Cartridge |
| Filter Style | Element / Cartridge |
| Engine Compatibility | Detroit DD13, DD15, DD16 (2020 and newer) |
| Micron Rating (Absolute) | 4 micron |
| Overall Height | 10.18 in (258.6 mm) |
| Largest OD | 4.61 in (117.1 mm) |
Cross References
This part replaces or is equivalent to the following part numbers:
- Detroit Diesel: A4720921705, A4720921405, A4720921405001
- Donaldson: P582831
- Baldwin: PF46269 KIT
- Wix: WF10678
- NAPA: 600678
- Mahle / Knecht: KX46910
Applications
This fuel/water separator fits the following engines:
- Detroit Diesel DD13 (2020 and newer)
- Detroit Diesel DD15 (2020 and newer)
- Detroit Diesel DD16 (2020 and newer)
Representative vehicles using these engines:
- Freightliner Cascadia (2020+)
- Freightliner 122SD (2020+)
- Western Star 4700, 4900, 49X, 57X (2020+ Detroit-equipped)
Pair with the LF17810 lube cartridge and your service-interval primary filter at recommended PM intervals. Verify your engine year and Detroit fuel-system configuration before ordering.









