Fleetguard FS1000 Fuel/Water Separator — Spin-On Diesel Fuel Filter
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The Fleetguard FS1000 is a spin-on fuel/water separator for diesel engines that both filters fuel and removes water to protect the fuel system and injectors. It combines 10-micron fuel filtration (98.7% efficiency per SAE J1985) with coalescing media that separates roughly 95% of free and emulsified water. Commonly used on Cummins engines including Celect, N14, M11, ISC, ISL, ISM, and ISX. Replaces Cummins 3329289.
- Type: Spin-on fuel/water separator
- Micron rating: 10 micron (98.7% per SAE J1985)
- Water separation: ~95% free & emulsified
- Thread: 1-14 UNS-2B
- Dimensions: 3.67" OD × 9.81" height
- Service gasket: 255622S
Replaces: Cummins 3329289, CAT 256-8753, Donaldson P551000, Baldwin BF1259, Wix 33406, Fram PS8048, Purolator F71000.
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