CATFilters

1110716 Water Separator — Cat 3512B 3516B

This is a water separator designed to remove moisture and particulate contaminants from fuel systems in Caterpillar equipment. It is manufactured to meet stringent OEM quality standards, ensuring optimal fuel purity and engine protection compared to a saturated or damaged separator. Operators may notice rough engine idling, reduced power, or starting difficulties when this component is failing.

Water Separator – Part No 1110716 – 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 TypeFuel Water Separator
MaterialCoated Paper/Synthetic Media
ApplicationFuel System
Service LifeReplace every 1,000 hrs or annually
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing water separator include increased water content in the fuel, potentially leading to intermittent engine sputtering or hesitation. If left unaddressed, excessive water can cause corrosion in fuel lines and injectors, leading to poor combustion and reduced power. Continued operation with a compromised separator risks severe damage to the fuel injection system.

Installation Tip

Ensure the sealing surfaces are clean and lubricated with a light coat of fuel or oil before installing the new separator. Do not overtighten the housing, as this can crack the plastic bowl or damage the threads.

Service Note

Inspect fuel lines for leaks and check the fuel pump pressure when replacing the water separator.