
FS19966 Fuel Water Separator NAKATU
The NAKATU FS19966 is an aftermarket spin-on fuel/water separator designed for compatible Volvo and Mack diesel engines. Its multilayer filtration media helps separate water and capture particulate contaminants from diesel fuel, supporting cleaner fuel delivery and protection of high-pressure fuel injection systems.
Specifications
- Model:
- FS19966 Fuel Water Separator NAKATU
- Product Type:
- Fuel water separator
- Replaces:
- Fleetguard FS19966; Baldwin BF1386-O; Donaldson P550913 / P551838; WIX 33995; NAPA 3995; FRAM PS10678; Luber-Finer LFF3358; MANN WK10006Z
- Applicable engine number:
- Volvo D11 / D13; Mack MP7 / MP8; Volvo VNL / VNM / VNR / VHD / FH / FM; Mack Pinnacle / Granite / Anthem / CHU.
- Key Specifications:
- Height: 127.76 mm Largest Outside Diameter: 111.51 mm Gasket Inside Diameter: 94.50 mm Gasket Outside Diameter: 104.50 mm Thread Size: 1-14 UNS-2B Filter Media: StrataPore
- OEM Part Numbers:
- Volvo 20879806 / 21380472 / 21380475 / 21764966; Mack 20863191 / 21017305 / 21380521 / 22094987; Renault 7420998346 / 7421380472
- Multilayer filtration media for diesel fuel applications.
- Helps separate water from diesel fuel.
- Helps capture particulate contaminants.
- Supports protection of high-pressure fuel injection systems.
- Spin-on construction for convenient replacement.



