FS53016NN Fleetguard Spin-On Fuel Water Separator Heavy-Duty Truck Mining Diesel Engine
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 |
- 1. Quality Control To ensure the quality of our vehicles and other products, Our QC staffs do strict supplier evaluations, in-coming inspections, in-process inspections, final inspections and pre-delivery inspections. The most important is that we listen to what our customers say and are always looking for ways to improve the quality of our products through continuous improvement.
- 2. OEM Ability We have built stable and long-term cooperate relationshilp with supermarkets,we canalso provide ODM, OEM and Agent services to our customers over the world.
- 3. Parts Available We have spare filter for immediate delivery to anywhere in the world. Our Filter widely used in the fields of motor, fan, injection molding machine, mining, mechanical equipment, metallurgy, rolling, automobile, railway, iron and steel, power, textile, packaging, petroleum, paper making, etc
- 4. Good Warranty We take customer satisfaction and product quality as the first priority for us. We supply reliable warranties and good after-sales services.

- 1.What is the minimum order quantity for this product?
It can be negotiated, we will try our best to meet customers' needs. - 2.What is your latest delivery time?
Most orders will be shipped within 1-7 days after receiving the payment. - 3.Does your company have quality assurance?
Yes, for one year. - 4.What is the competitiveness of your company's products compared to other companies?
Digital Production, high precision, high speed and low noise. - 5.What are the advantages of your company's services compared to other companies?
Reply and answer timely. Provide documents required by customers for customs clearance or sales. 100% after-sales service. - 6.Which payment way does your company support?
At customers' convenience. - 7.How to contact us quickly?
Please send us an inquiry or message in this platform, or you can tell us your phone number, WhatsApp and Wechat. We will contact you as soon as possible and provide more details you need.
- In order to guarantee the bearing working life,please carefully install and maintenance.
- 1.open the package only before install to protect the bearing from rust.
- 2.must guarantee the working area of bearing is very clean.
- 3.strictly follow the carry capacity,temperature,working time of bearing.
Any other questions or any products you are interested, please contact us freely!
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