CATFuel System

523-6604 Fuel Water Separator — Cat 313Gx 316Gc

This is a fuel water separator designed to remove water and contaminants from the diesel fuel before it reaches the engine's injection system. Manufactured to precise specifications, it ensures cleaner fuel flow and protects sensitive engine components from damage. Operators may notice a loss of engine power, rough idling, or the illumination of a water-in-fuel warning light when this separator is clogged or failing.

Fuel Water Separator – Part No 523-6604 – CAT Spare Part
Part Specifications
BrandCAT
CategoryFuel System
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

Use clean, filtered fuel — fuel injection components have micron-level tolerances. Prime fuel system before cranking to avoid dry-start damage. Replace fuel filter whenever servicing injection components. Calibrate injectors after replacement if equipment has ECU.

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, Filter Media
ApplicationEngine Fuel System
Service LifeReplace every 500 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification

Failure Symptoms

A clogged fuel water separator will initially lead to a gradual reduction in engine power and potentially rough idling. If the condition worsens, the engine may stall unexpectedly or fail to start due to insufficient fuel flow. Continued operation risks severe damage to the fuel injection pump and injectors from contaminated fuel.

Installation Tip

Always drain any accumulated water from the old separator before removal to prevent spills. Ensure the sealing surfaces are clean and lubricated before installing the new unit.

Service Note

Inspect the fuel tank for any sediment and replace the primary fuel filter when changing the water separator.