CATFilters

3731766 Filter Element As-Air — Cat 3516

This is a high-capacity air filter element engineered to ensure clean air intake for large diesel engines. It adheres to strict filtration specifications, effectively trapping fine dust and particulate matter to prevent engine damage, unlike a worn or torn element. Operators may notice a decrease in engine performance, rough idling, or increased exhaust emissions if this filter is not functioning optimally.

Filter Element As-Air – Part No 3731766 – 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 TypeAir Filter Element
MaterialHigh-efficiency synthetic media
ApplicationEngine air intake system
Service LifeReplace every 1000-2000 hrs or as per manual
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A compromised air filter element will first present as a gradual loss of engine power and potentially increased fuel consumption. If left unaddressed, the engine will ingest contaminants, leading to accelerated wear on critical internal parts like pistons and cylinder liners. This can result in significant engine damage and costly overhauls.

Installation Tip

Ensure the air filter housing and all sealing surfaces are thoroughly cleaned before installing the new element. Never run the engine without the air filter element in place, as this exposes the engine to unfiltered air.

Service Note

When replacing the air filter element, it is recommended to inspect the turbocharger and intake piping for any signs of oil or debris.