FS1251 Fleetguard Spin-On Fuel Water Separator Light Truck Tractor Generator Small Diesel Engine
FS1251 spin-on fuel water separator delivers dual-stage diesel fuel purification for light trucks, farm tractors and small stationary generator units. High-efficiency coalescing media separates free water, emulsified moisture and fine fuel contaminants to protect fuel injectors and pumps. Built-in bottom drain valve enables regular water discharge. Anti-corrosion steel housing and oil-proof rubber seal resist vibration and temperature fluctuations. Standard mounting thread fits most compact diesel power assemblies, extending fuel system component service lifespan.

| Attribute Item | Complete Specification |
|---|---|
| Core Part Number | FS1251 |
| Brand Name | Fleetguard |
| Filter Category | Spin-On Fuel Water Separator / Compact Diesel Fuel Filter |
| Mounting Thread Standard | M14×1.5 |
| Can Outer Diameter | 86 mm / 3.39 Inch |
| Total Overall Height | 168 mm / 6.61 Inch |
| Seal Ring Outer Diameter | 68 mm / 2.68 Inch |
| Water Separation Efficiency | ≥99% |
| Filtration Rating | β10 Efficiency ≥99.7% |
| Filter Media Material | Multi-layer Coalescing Glass Fiber |
| Housing Material | Anti-rust Coated Thin Steel |
| Seal Material | Oil & Water Resistant Nitrile Rubber |
| Drain Component | Built-in Manual Plastic Drain Valve |
| Air Bleed Port | Equipped Top Air Bleed Screw Cap |
| Product Surface Color | White Can Body with Red Print Logo & Markings |
| Single Net Weight | 0.58 KG |
| Single Pack Outer Dimension | 174mm × 89mm × 89mm |
| 10-Digit HS Customs Code | 8421230090 |
| Certifications | ISO9001, CE Production Standard |
| Standard Service Life | 220 Working Hours |
| Extended Service Life (Clean Fuel Supply) | 290 Working Hours |
| Storage Condition | Dry, Cool, Avoid Direct Sunlight & Humidity |
| Packaging Form | Individual Transparent Plastic Wrapping |
| Fleetguard Base Part | Original Equipment Equivalent Part | Aftermarket Replacement Part |
|---|---|---|
| FS1251 | 8159978 | Baldwin BF1268 |
| FS1251 | RE60023 | P550738 |
| FS1251 | 32/925804 | WIX 33624 |
| FS1251 | 129907-55804 | Fleetguard FS1242 |
| FS1251 | 20805353 | Fleetguard FS1266 |
| FS1251 | 70000-43084 | Fleetguard FS1233 |
| FS1251 | 193099A3 | Fleetguard FS1270 |
| FS1251 | 4676389 | FS1252 |
| FS1251 | 93265E | WF10002 |
| FS1251 | 3801632 | P767388 |
| FS1251 | 1117014-36D | FS1238 |
| FS1251 | 84348728 | BF7632 |
- 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.
- 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.
- 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
- Good Warranty We take customer satisfaction and product quality as the first priority for us. We supply reliable warranties and good after-sales services.


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What is the minimum order quantity for this product?It can be negotiated, we will try our best to meet customers' needs.
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What is your latest delivery time?Most orders will be shipped within 1-7 days after receiving the payment.
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Does your company have quality assurance?Yes, for one year.
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What is the competitiveness of your company's products compared to other companies?Digital Production, high precision, high speed and low noise.
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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.
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Which payment way does your company support?At customers' convenience.
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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.
- open the package only before install to protect the bearing from rust.
- must guarantee the working area of bearing is very clean.
- 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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