
FS1280-Fuel Water Separator Filter
We mainly deals in Dongfeng truck accessories (engine/axle/gearbox/cabin), especially Dana axle accessories and Cummins engine parts (4BT, 6BT, 6CT, 6L, ISBE, ISDE, ISLE,ISF2.8, ISF3.8, NTA855, KTA19,KTA38, KTA50, M11, ISM, etc.) with great advantages
Product Descreiption
1. Specifications
- Type: Spin-on fuel water separator
- Part No.: FS1280
- Media: StrataPore synthetic filter media
- Thread size: 13/16″-18 UNS-2B
- Overall height: 164.85 mm (6.49 in)
- Max outer diameter: 93.73 mm (3.69 in)
- Micron rating: 20 micron (per SAE J1985)
- Water separation efficiency: 90% for free and emulsified water
- Particle filtration efficiency: 96%
- No standpipe
- Minimum hydrostatic burst pressure: 300 psi (2070 kPa)
- Applicable engine: Cummins 4BT, 6BT, 6CTA8.3 series diesel engines, heavy-duty trucks and construction machinery
- Not approved for marine use
2. Installation Position
It is installed on the primary fuel line between the fuel tank and the engine fuel injection pump, as the first-stage fuel filter before the fine fuel filter. It is mounted on the engine or chassis bracket, upstream of the high-pressure fuel pump and injectors. A water drain valve is fitted at the bottom of the filter housing for regular water draining.
3. Function
- Separate free water and emulsified water from diesel fuel, collect water in the bottom sump.
- Trap solid contaminants such as rust, dirt and particles in diesel.
- Protect high-pressure fuel injectors and fuel pump against corrosion, abrasion and sticking caused by water and impurities.
- Deliver clean diesel to the engine, extend service life of fuel system components and maintain stable engine performance.



