CATEngine Parts

479-8991 Air Filter — Cat

This air filter is a crucial component for the engine's intake system, ensuring that only clean air enters the combustion chambers. Manufactured to meet stringent OEM standards, it effectively traps contaminants, preventing premature engine wear, unlike a clogged or damaged filter that restricts airflow. Operators may notice a loss of engine power, increased exhaust smoke, or higher fuel consumption when the air filter requires replacement.

Air Filter – Part No 479-8991 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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
MaterialCellulose/Polyester blend
ApplicationEngine Intake System
Service LifeReplace every 500 hrs or annually
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A clogged air filter will initially manifest as a gradual reduction in engine power and responsiveness. If ignored, the engine may start to run rough, consume more fuel, and produce excessive black smoke. The ultimate consequence of a severely restricted air filter is significant internal engine damage due to abrasive particles entering the combustion chamber.

Installation Tip

Ensure the air filter housing is thoroughly cleaned before installing the new filter to prevent any existing dirt from being drawn into the engine. Make sure the filter is seated correctly and the housing is sealed tightly.

Service Note

Inspect the turbocharger and intake manifold for any signs of oil or soot buildup when replacing the air filter.