
FF256 Fuel Filter NAKATU
The NAKATU FF256 is an aftermarket secondary spin-on diesel fuel filter designed for compatible Cummins QSK23, QSK38, QSK50 and QSK60 engines. Its NanoNet synthetic filtration media helps capture fine particulate contaminants, supporting cleaner fuel delivery and protection of high-horsepower diesel fuel injection systems.
Specifications
- Model:
- FF256 Fuel Filter NAKATU
- Product Type:
- fuel filter
- Replaces:
- Fleetguard FF256; Baldwin BF46256; Donaldson DBF0256; HIFI SN40770
- Applicable engine number:
- Cummins QSK23 / QSK38 / QSK50 / QSK60 Tier 2 engines; compatible Komatsu and Liebherr mining equipment.
- Key Specifications:
- Structure: Spin-On; Type: Secondary Diesel Fuel Filter; Media: NanoNet; Height: 306 mm; OD: 138.18 mm; Gasket ID: 118.96 mm; Gasket OD: 138.18 mm; Thread: M110 × 2.5-7H
- OEM Part Numbers:
- Cummins 3644985 / 5375819; Liebherr 12209768
- NanoNet synthetic filtration media.
- Helps capture fine particulate contaminants.
- Designed for high-horsepower diesel engines.
- Supports fuel system cleanliness and protection.
- Large-capacity spin-on filter construction.



