Filter P550428 Fuel Water Separator for Heavy Equipment Engines

Direct Replacement P550428 | High-Efficiency Filtration | Global Shipping

Reliable Filtration for Demanding Engines

In the world of heavy-duty operations, fuel purity is non-negotiable. The P550428 fuel water separator is engineered to protect high-pressure fuel systems from water contamination and particulate damage. Whether you are performing an engine rebuild or routine overhaul, using a high-quality P550428 replacement ensures your equipment maintains peak horsepower and fuel efficiency.

Our P550428 parts are designed to meet or exceed OEM standards, providing a cost-effective solution for fleet managers and repair shops worldwide. We support operators using Caterpillar, Cummins, and Komatsu machinery to minimize downtime through rapid parts dispatch.

Technical Specifications & Applications

Detail FieldSpecifications for P550428
Model NO.P550428 (Also searched as P550428)
Product NameFuel Water Separator / Spin-on Fuel Filter
ConditionBrand New, OEM Standard Replacement
Compatible BrandsCaterpillar, Cummins, Komatsu, Case, John Deere
Application ModelsCAT 3306, CAT 3406, Cummins N14, Cummins M11, Komatsu PC300-7
Payment TermsT/T, Western Union, MoneyGram
Delivery MethodsDHL, Fedex, EMS, UPS, Air Freight, Sea Freight
PackagingIndustrial Export Packing / Neutral Packing
Stock StatusIn Stock / Fast Dispatch Available

Comparison: Why Professionals Choose Our P550428

Purchase FocusStandard Market GradeOur OEM-Standard P550428
1. Filtration EfficiencyVariable 80-90%Verified 99% Water Separation
2. Housing DurabilityThin Gauge SteelHeavy-Duty Corrosion Resistant Shell
3. Sealing IntegrityBasic Rubber GasketHigh-Temp Viton/Advanced Polymer Gaskets
4. Service LifeStandard IntervalsExtended Service Life for Overhaul Cycles
5. Media QualityBasic CelluloseSynthetic Blend Multi-Layer Media
6. CompatibilityGeneric FitExact Specification for CAT/Cummins/Komatsu

Troubleshooting & Maintenance FAQ

Q: Why is water getting into my fuel system even with a new filter?
A: This often points to a compromised fuel storage tank or a failure in the secondary filtration stage. Ensure your P550428 is correctly seated. If the water-in-fuel light stays on, inspect the sensor probe for sediment buildup.
Q: How often should I replace the P550428 on my Cummins engine?
A: For heavy-duty construction use, we recommend every 500 hours or during every engine oil service. Regular maintenance prevents injector erosion and pump cavitation.
Q: Why Choose This Fuel Water Separator?
A: It features an OEM-standard tri-metal structure and is trusted by professional repair shops and global equipment fleets for its reliability in extreme environments.

Professional Maintenance Support

Not sure how this issue affects your equipment? Our team helps operators:

  • Identify potential risks during maintenance cycles

  • Recommend suitable replacement parts if needed

  • Support both inspection advice and parts supply

Ready to secure your fleet? Send Your Part Number below for a bulk quote.

Contact Our Parts Specialists Now

Get instant pricing and stock availability for P550428.

WhatsApp: +86 135 3237 9052 Email: [email protected]
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About Our Engine Parts Supply: We specialize in high-performance engine assemblies and components for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our core inventory includes premium Cylinder Liners, Pistons, Piston Rings, Main Bearings, Con Rod Bearings, Thrust Washers, Full Overhaul Gasket Kits, Diesel Fuel Injection Pumps, Injectors, Cranksahfts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.

Target Search Terms: Heavy duty engine rebuild kits, aftermarket diesel engine parts, excavator filter supplier, bulldozer overhaul components, industrial engine maintenance, marine diesel engine parts, truck engine spare parts China, high pressure fuel system repair, engine block restoration, cylinder head assembly replacement, fuel pump calibration parts, turbocharger cartridge replacement, cooling system water pumps, engine lubrication oil pumps, piston ring set for Cummins, caterpillar 3306 rebuild kit, komatsu engine gasket sets, isuzu industrial engine spares, yanmar tractor engine parts, weichai power generator parts.

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