Replacement Filters
Fleetguard Cross-referenced FS20123 Fuel Water Separator
Aftermarket FS20123 fuel water separator cross-referenced to Cummins 5405295. Specs, applications and bulk quotes from NAKATU, a China-based filter supplier.
Specifications
- Model:
- NAKATU FS20123 Fuel Water Separator
- Product Type:
- Fuel Water Separator Filter
- Replaces:
- Fleetguard FS20123 Cummins 5405295 / 5482919 HIFI-FILTER SN35026 Dongfeng 91FG026FUELPRIMARY
- Applicable engine number:
- Selected diesel fuel systems in trucks, buses and industrial equipment. Verify original part number, engine, mounting thread and filter housing before ordering.
- Key Specifications:
- Height: 206 mm Largest Outside Diameter: 114 mm Thread Size: 1"-14 UNF 2B Gasket OD: 89.4 mm Gasket ID: 79.8 mm
- OEM Part Numbers:
- Cummins 5405295 Cummins 5482919 Dongfeng 91FG026FUELPRIMARY
Looking for a replacement for the Fleetguard FS20123 fuel water separator? The NAKATU FS20123 is a spin-on replacement cross-referenced to Cummins 5405295 and 5482919. It matches the original spin-on format, thread size and separation performance, and ships from our warehouse in Wuhan for both trial orders and bulk quotes.
Cross Reference
Original part number | Cross-reference |
Fleetguard FS20123 | Cummins 5405295 |
Fleetguard FS20123 | Cummins 5482919 |
Fleetguard FS20123 | Dongfeng 91FG026 |
Fleetguard FS20123-AM | Heated version of the same separator (gold terminals) |
Always confirm the part number printed on your current filter before ordering. If your number is not listed, send it to us — we check it manually and reply with the matching model.
Specifications
Item | Value |
Type | Spin-on fuel water separator |
Filtration media | StrataPore |
Nominal filtration rating | 4 micron(c) |
Water separation efficiency | 93% (emulsified water) |
Thread size | 1-14 UNF-2B |
Outside diameter | 114 mm / 4.49 in |
Height | 206 mm / 8.11 in |
Maximum flow rate | 1.66 gpm |
Burst pressure | 232 psi |
Specifications are compiled from Fleetguard published data for the FS20123. Appearance may differ slightly between production batches.
Applications
The FS20123 is widely used on Cummins diesel engines in trucks, buses and industrial equipment, including Dongfeng Cummins applications. Verify your engine model and filter housing before ordering — if you are not sure, send us the part number and we will confirm it for you.
Related Part: FS20124
Need the heated version? Check our FS20124 fuel water separator — the heated counterpart in the same separator family.
Frequently Asked Questions
What does the FS20123 cross reference to?
The Fleetguard FS20123 cross-references to Cummins part numbers 5405295 and 5482919. The NAKATU FS20123 replacement matches the original spin-on format, 1-14 UNF-2B thread and separation performance.
Is this a genuine Fleetguard filter?
No. NAKATU is an independent replacement filter supplier. This filter is built to replace the Fleetguard FS20123 and match its function and dimensions, but it is not produced by Fleetguard or Cummins. Fleetguard, Cummins and other OEM names are trademarks of their respective owners, used for cross-reference only.
What is the MOQ and lead time?
Trial orders start from one carton (200 pieces). Bulk pricing is quoted by quantity, and confirmed models normally dispatch in 3–7 days. Send us your list for an exact quotation and schedule.
Request a Quote
Related Guides
Still comparing options? Read our how to choose a fuel water separator guide, or the filter cross-reference guide for mapping OEM numbers across brands.
