CATFilters

1318821 Filter Element As-Air — Cat CB-434B CB-434C

This air filter element is essential for preventing dust, dirt, and other airborne debris from entering the engine's intake system. It is constructed with high-efficiency media to trap contaminants while allowing sufficient airflow for optimal combustion. A clogged or damaged filter restricts airflow, leading to reduced engine power and increased fuel consumption, unlike a new filter that ensures clean air intake. Operators may notice a loss of engine power, black smoke from the exhaust, or increased fuel usage when this filter requires replacement.

Filter Element As-Air – Part No 1318821 – 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
MaterialPleated cellulose paper
ApplicationEngine air intake system
Service LifeReplace every 500-1000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A blocked air filter element will first cause a noticeable reduction in engine power and responsiveness. Continued operation with a dirty filter leads to increased fuel consumption and potential engine overheating. The ultimate consequence is accelerated wear on internal engine components due to inadequate air supply for combustion.

Installation Tip

Ensure the air filter housing is completely clean and free of debris before installing the new element to guarantee a proper seal. Avoid forcing the element into place, as this can damage the filter media or housing seals.

Service Note

Inspect the intake manifold and turbocharger (if equipped) for any signs of oil or soot buildup, which could indicate a related issue.