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 |
In order to guarantee the bearing working life, please carefully install and maintenance.
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