Description
The Fleetguard FS19684E is a cartridge-element fuel/water separator with StrataPore media for International / Navistar DT466, DT530, and DT570 medium- and heavy-duty diesel engines. It replaces International 1842638C91 / 1841393C91, Baldwin PF7779, Donaldson P550657, Wix 33719, and Mack 3076CS9970, with 98.7% efficiency at 7 microns (SAE J1985) and 95% free / emulsified water separation.
Specifications
| Manufacturer | Fleetguard |
|---|---|
| Part Number | FS19684E |
| Part Type | Cartridge Fuel/Water Separator |
| Engine Compatibility | International / Navistar DT466 / DT530 / DT570 |
| Media | StrataPore |
| Outside Diameter | 3.74 in |
| Length | 5.58 in |
| End-2 OD / ID | 3.57 in / 0.82 in |
| Micron Rating (SAE J1985) | 7 µm |
| Efficiency (TWA) | 98.7% |
| Free / Emulsified Water Separation | 95% / 95% |
Cross References
This filter replaces or is equivalent to the following part numbers:
- International / Navistar: 1842638C91, 1842638C92, 1841393C1, 1822638C91
- IHC: 1841393C91, 1841393C2
- Baldwin: PF7779
- Donaldson: P550657
- Wix: 33719
- Mack: 5839FS19684E, 3076CS9970
Applications
This fuel/water separator fits the following engines:
- International / Navistar DT466 / DT466E (HEUI-era 7.6L mid-1990s through 2007)
- International / Navistar DT530 / DT530E 8.7L
- International / Navistar DT570 9.3L
- International HT570, DTA466, DTA466C medium- and heavy-duty applications
Representative vehicles using these engines:
- International 4000 / 7000 / 8000 series medium-duty trucks
- IC Bus / Blue Bird school-bus chassis with DT466
- Off-highway / industrial DT466-powered equipment
Verify your engine serial number and configuration before ordering to confirm fitment.









