CATEngine Parts

3635819 Fuel Water Separator — Cat 304E2 305E2

This fuel water separator is designed to remove water and contaminants from the diesel fuel, protecting the engine's fuel injection system. It meets strict OEM quality standards, offering superior filtration compared to a clogged or damaged separator that can allow water into the fuel lines. Operators might observe rough engine idling, loss of power, or the engine stalling if this component is not functioning correctly.

Fuel Water Separator – Part No 3635819 – 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
MaterialPlastic and Filter Media
ApplicationEngine Fuel System
Service LifeReplace every 500 hrs or annually
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing fuel water separator include intermittent engine sputtering or a slight decrease in power. If ignored, water and debris will enter the fuel system, leading to injector damage and potential engine stalling. Continued operation with a compromised separator can result in costly repairs to the fuel system.

Installation Tip

Always prime the new filter with clean diesel fuel before installation to prevent air from entering the fuel system. Ensure the sealing O-ring is properly seated and lubricated to prevent fuel leaks.

Service Note

Inspect the fuel lines for any signs of damage or leaks when replacing the fuel water separator.