Description
Fleetguard FF185 is an 8-micron spin-on fuel filter for Caterpillar engine applications, replacing CAT 1P-2299 and crossing to Baldwin BF970, Donaldson P557440, and Wix 33352. It delivers 97% efficiency at 8 microns (SAE J1985), measures 6.94 in tall x 3.68 in OD, and uses a 1 in – 14 UNS-2B center thread — the standard service filter for CAT 3208, 3304, 3306, 3116TA, and D-series industrial engines.
Specifications
| Manufacturer | Fleetguard (Cummins Filtration) |
|---|---|
| Part Number | FF185 |
| Part Type | Spin-On Fuel Filter |
| Micron Rating | 8 µm (SAE J1985) |
| Efficiency | 97% |
| Overall Height | 6.94 in (176.28 mm) |
| Largest OD | 3.68 in (93.47 mm) |
| Gasket OD | 2.83 in (71.88 mm) |
| Thread Size | 1 in – 14 UNS-2B |
| Engine Compatibility | Caterpillar 3208, 3304, 3306, 3116TA, and D-series industrial |
Cross References
This filter replaces or is equivalent to the following part numbers:
- Caterpillar: 1P-2299, 1R-0711, 1R-0740, 1R-0511, 1R-1740, 1W-8633, 1N-3476, 6L-7440
- Baldwin: BF970
- Donaldson: P557440
- Wix: 33352
- NAPA: 3352
- FRAM: P1104
- Luber-finer: LFP440F
- Purolator: F60053
- AC Delco: TP877
- Carrier Transicold: 3000302
Applications
This fuel filter fits the following Caterpillar engines:
- CAT 3208 (V8, 10.4L)
- CAT 3304 / 3304B (4-cyl, 7.0L)
- CAT 3306 / 3306B (6-cyl, 10.5L)
- CAT 3116TA (turbo aftercooled, 6.6L)
- CAT D-series industrial: D330, D333C, D334, D336, D343, D353C/D/E
Representative equipment using these engines:
- Class 7 / 8 trucks with CAT 3208 / 3306 (Ford LN/LT, Kenworth, Peterbilt, International)
- CAT D5 / D6 / D7 / D8 track-type tractors and 950 / 966 wheel loaders with 3304 / 3306
- CAT 215 / 225 / 235 excavators with 3306
- Industrial and marine generator sets on D330, D333, D343, D353
Note: Do not use on Cummins engines. For Cummins fuel filtration, use the appropriate Fleetguard filter for the specific engine series.
Verify your engine model and filter-head configuration before ordering.









