CATFilters

3621163 Excavators & Construction Equipment — Cat 305

This is a high-efficiency filter designed to remove contaminants from air or fluid within construction equipment systems. It meets stringent filtration standards, ensuring cleaner operation compared to a clogged or damaged filter. A failing filter may lead to reduced system performance, increased wear on downstream components, or visible leaks.

Excavators & Construction Equipment – Part No 3621163 – 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 TypeFilter Element
MaterialCellulose blend with synthetic fibers
ApplicationEngine intake or hydraulic system
Service LifeReplace every 500-1000 hrs or as indicated by maintenance schedule
CompatibilityCAT 305.5E, 306E
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing filter include a gradual decrease in equipment power or responsiveness. If left unaddressed, the filter will become completely blocked, severely restricting flow and potentially causing damage to related system components. This can lead to operational downtime and costly repairs.

Installation Tip

Ensure the filter housing is thoroughly cleaned before installing the new element to guarantee a proper seal. Overtightening the housing can damage the threads or the new filter, while undertightening can lead to leaks.

Service Note

Inspect the seals and O-rings associated with the filter housing for any signs of wear or damage, as these should be replaced if compromised.