FS1280 Fuel Water Separator
Replacement fuel water separator for Cummins B5.9 / C8.3 / ISC8.3 Engines / Freightliner FS65 School Bus. Check the published reference numbers, dimensions and exact vehicle or equipment configuration before ordering.
- Part Number
- FS1280
- Product Type
- Fuel Water Separator
- OE
- 3890706 · 3903410 · 3930942
Cross References
| Brand | Part Number |
|---|---|
| Donaldson | P551329Cross Reference |
| Baldwin | BF1280Cross Reference |
| WIX | 33357Cross Reference |
| NAPA | 3357Cross Reference |
| Fleetguard | FF5038Supersedes |
| Fleetguard | FF5285Separator Variant |
| MANN-FILTER | WK 9165 xCross Reference |
| Donaldson | P550439Cross Reference |
| Fleetguard | FF1280Cross Reference |
| Sakura | SFC5706Cross Reference |
| WIX | WF10051Cross Reference |
| HIFI Filter | SN5038Cross Reference |
| Brand | Part Number | Reference Type |
|---|---|---|
| Donaldson | P551329 | Cross Reference |
| Baldwin | BF1280 | Cross Reference |
| WIX | 33357 | Cross Reference |
| NAPA | 3357 | Cross Reference |
| Fleetguard | FF5038 | Supersedes |
| Fleetguard | FF5285 | Separator Variant |
| MANN-FILTER | WK 9165 x | Cross Reference |
| Donaldson | P550439 | Cross Reference |
| Fleetguard | FF1280 | Cross Reference |
| Sakura | SFC5706 | Cross Reference |
| WIX | WF10051 | Cross Reference |
| HIFI Filter | SN5038 | Cross Reference |
Confirm number, size and application before ordering.
Dimensions
| Outer Diameter | 93.83 mm |
|---|---|
| Height | 164.85 mm |
| Thread Size | 13/16-18 UNS-2B |
Application / Fitment
Cummins
Browse verified Cummins application products →Engine
- Model / Series
-
- B5.9 / C8.3 / ISC8.3 Engines
- Fitment Note
- Send us your OE number or application for fitment confirmation.
Freightliner
Browse verified Freightliner application products →Truck
- Model / Series
-
- FS65 School Bus
- Fitment Note
- Catalogued engine families: 6B5.9 / 6C8.3. Confirm exact chassis and engine before ordering.
- Model / Series
-
- FL50 / FL60 / FL70 Chassis
- Fitment Note
- Catalogued engine families: 6B5.9 / ISB5.9 / C8.3G. Confirm exact chassis and engine before ordering.
- Model / Series
-
- MB Line / XB Line Chassis
- Fitment Note
- Catalogued engine families: 6B5.9 / ISB5.9. Confirm exact chassis and engine before ordering.
Sources & Verification
These sources support only the cited part-number, specification or application relationship. A catalogue reference does not imply authorization, certification or endorsement of JINGUAN by the named brand.
View 5 recorded sources
-
Fleetguard Official — FS1280
Manufacturer catalogue · FS1280 official product and application record · Accessed 2026-09-12
Open source -
MANN-FILTER Official Cross Reference 2024–26
Manufacturer catalogue · MANN-FILTER Official Cross Reference 2024–26 · Accessed 2026-09-11
Open source -
Donaldson Truck & Bus official catalogue — 3903410 / P551329
Manufacturer catalogue · Donaldson Truck & Bus Catalogue · Accessed 2026-09-14
Open source -
Donaldson official cross chart — FS1280 / P551329
Manufacturer catalogue · Donaldson liquid filters cross chart · Accessed 2026-09-14
Open source -
AllProDiesel / Cummins Filtration distributor listings - FS1280 Cummins 3890706/3903410/3930942
Third-party supplier catalogue · Accessed 2026-09-26
Open source
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