FS53016NN is a high-efficiency spin-on fuel/water separator designed for heavy trucks, mining haulers and large construction machinery. Its multi-stage coalescing media efficiently separates free/emulsified water and fine solid contaminants from diesel fuel, protecting precision injectors and fuel pumps. Heavy-duty anti-corrosion steel housing and fuel-resistant elastomer seals withstand harsh vibration and pressure fluctuations. Standard spin-on mounting enables fast maintenance, stabilizing fuel system performance and extending component service life in tough working scenarios.
| Attribute Item | Complete Specification |
|---|---|
| Core Part Number | FS53016NN |
| Brand | Fleetguard |
| Product Type | Spin-On Fuel/Water Separator |
| Thread Spec | 1 3/4"-12 UN |
| Outer Diameter | 124 mm |
| Overall Height | 275 mm |
| Filtration Efficiency | 99.9% water removal + β5≥99.9% solid particle capture |
| Filter Media | Coalescing gradient composite fiber |
| Housing | Rust-proof thick carbon steel |
| Seal Material | Fuel-resistant nitrile rubber |
| Flow Direction | Marked A(Inlet)→B(Outlet) on shell |
| Color Scheme | White shell with red/black branding |
| Single Net Weight | 1.55 kg |
| HS Customs Code | 8421230090 |
| Certification | ISO9001 production standard |
| Standard Service Interval | 300 working hours |
| Fleetguard OEM No. | OE Equivalent | Aftermarket Replacements |
|---|---|---|
| FS53016NN | 5445683 | Baldwin BF46132, P552024, WIX 33978 |
| FS53016NN | 21380482 | Luberfiner LFF9090, Napa 3978 |
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