CATFilters

1276449 Water Separator — Cat 3114 3116

This water separator is designed to remove water and solid contaminants from fuel, preventing them from reaching the engine's injection system and causing damage. It meets stringent filtration standards, offering superior separation efficiency compared to a clogged or damaged unit that allows water to pass and corrode fuel system components. Operators may notice engine sputtering, rough idling, or starting difficulties when this component is failing.

Water Separator – Part No 1276449 – CAT Spare Part
Part Specifications
BrandCAT
CategoryFilters
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

Never run an engine without a filter — even briefly causes abrasive damage. Pre-fill fuel filters with clean fuel before fitting to reduce prime time. Replace O-rings on filter housings every second service. Record change dates on filter housing.

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

Part TypeWater Separator
MaterialDurable plastic and filter media
ApplicationFuel system
Service LifeReplace every 500 hrs or annually
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing water separator is often a slight hesitation or sputtering during engine operation, especially under load. If ignored, water can enter the fuel injection system, leading to rough idling, difficulty starting, and potential damage to injectors and pumps. The worst consequence is severe damage to the fuel injection system, resulting in costly repairs.

Installation Tip

Ensure the sealing surfaces on both the separator housing and the engine block are clean and free of debris before installation. Do not overtighten the drain valve, as this can cause leaks.

Service Note

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