Finding a reliable Fuel Water Separator is critical for maintaining the longevity of your diesel injection system. The 11290375 (also searched as FS1242 or 11290375 without symbols) is an essential filtration component designed to protect your engine from moisture and contaminants. Whether you are performing a routine engine maintenance or a complete engine overhaul, using an OEM-standard replacement ensures your equipment operates at peak performance without the risk of fuel pump corrosion.
| Model NO. | FS1242 / 11290375 | Part Number | 11290375, FS1242 |
| Product Name | Fuel Water Separator Filter | Type | Spin-on Fuel Filter |
| Condition | Brand New, OEM Standard Replacement | MOQ | 1 Piece |
| Application | Cummins 6BT, Dongfeng Trucks, Construction Machinery | Stock Status | In Stock / Fast Dispatch |
| Payment Terms | T/T, Western Union, MoneyGram | Packaging | Industrial Export Packing |
| Delivery Methods | Express: DHL Fedex EMS UPS or by Air / Sea | ||
| Key Feature | Our OEM-Standard FS1242 | Generic Market Alternatives |
|---|---|---|
| Filtration Efficiency | 99% Water Removal Efficiency | Variable (often below 85%) |
| Sealing Gasket | High-Temp Synthetic Rubber | Standard Recycled Rubber |
| Housing Strength | Corrosion-Resistant Steel Shell | Thin Wall Metal (Prone to leaks) |
| Compatibility | Perfect Fit for 11290375 Mounts | Loose fit / Requires modification |
| Flow Rate | Optimized for Cummins 6BT Specs | Restricted fuel flow issues |
| Service Life | 500+ Operational Hours | Unpredictable failure rates |
A: Common issues include engine sputtering, loss of power under load, and difficulty starting the engine. If the Fuel Water Separator is full, the water-in-fuel sensor will typically trigger a dashboard alert. Immediate replacement of the 11290375 is recommended to avoid damage to the high-pressure fuel injectors.
A: Operators should drain the water from the FS1242 daily using the bottom valve. If contamination persists, inspect the main fuel tank for leaks. Switching to our OEM standard replacement parts helps trap moisture more effectively than low-cost alternatives.
OEM-standard tri-metal structure: Our filters use advanced media layers to ensure durability under high pressure.
Trusted by repair shops & equipment fleets: We supply bulk parts to heavy-duty workshops globally, ensuring consistent quality for fleet maintenance.
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✔ Identify potential risks during maintenance
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As a leading specialist in engine components, we provide high-performance solutions for global brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our inventory covers everything from Complete Engine Assemblies to precision components like Cylinder Liners, Pistons, Piston Rings, Main Bearings, Con Rod Bearings, and Thrust Washers.
We are the preferred supplier for Engine Overhaul Kits, Diesel Injection Pumps, Fuel Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.
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