CATEngine Parts

258-3442 Fuel Water Separator Assembly — Cat 3044C 246C

This assembly is the primary component for separating water and contaminants from the fuel before it reaches the engine's injection system. It is manufactured to meet stringent OEM standards, ensuring superior filtration compared to a worn or damaged unit. Operators may notice rough engine running, loss of power, or the illumination of the "check engine" light when this component fails.

Fuel Water Separator Assembly – Part No 258-3442 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeFuel Water Separator Assembly
MaterialHigh-strength polymer and filter media
ApplicationFuel filtration system
Service LifeReplace every 500 hours or as indicated by filter restriction
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing fuel water separator include intermittent engine sputtering or a slight loss of power. If ignored, the engine may begin to run rough more frequently, and fuel efficiency will decrease. Continued operation with a compromised separator can lead to fuel system component damage.

Installation Tip

Ensure the new separator is filled with clean diesel fuel before installation to prime the system and prevent air pockets. Do not overtighten the drain valve, as this can damage the seal and cause fuel leaks.

Service Note

When replacing the fuel water separator, it is crucial to also inspect and potentially replace the primary and secondary fuel filter elements.