Description
The Fleetguard FF63041NN is a spin-on secondary fuel filter that replaces Cummins 5526400 on 2020 and newer B6.7 and L9 engines. NanoNet synthetic media delivers high-efficiency particulate removal to protect modern high-pressure common-rail injectors, with integrated free-water separation.
Specifications
| Manufacturer | Fleetguard (Cummins Filtration) |
|---|---|
| Part Number | FF63041NN |
| Part Type | Spin-On Fuel Filter |
| Engine Compatibility | Cummins B6.7, L9 (Model Year 2020+) |
| Media | NanoNet |
| Length | 7.09 in (180 mm) |
| Largest OD | 3.82 in (97 mm) |
| Thread | M75 x 2.0 (Metric) |
| Free Water Separation | 0.95 |
Cross References
This fuel filter replaces or is equivalent to the following part numbers:
- Cummins: 5526400
- Baldwin: BF46263
- Wix: WF10841
- Carquest: 96906
- NAPA: 601050
Applications
This fuel filter fits the following engines:
- Cummins B6.7 (2020 and newer)
- Cummins L9 (2020 and newer)
Representative vehicles using these engines:
- Medium-duty Class 6/7 trucks and chassis with Cummins B6.7 power (2020+)
- School and transit buses with Cummins L9 power (2020+)
Verify your engine serial number and model year before ordering to confirm fitment.









