CATEngine Parts

1n-8165-8j-5897 Air Filter — Cat 3406

This air filter is crucial for preventing dust, dirt, and other airborne contaminants from entering the engine's intake system and causing internal wear. It meets stringent filtration standards, offering superior protection compared to a clogged or damaged filter that restricts airflow. Operators might notice a loss of engine power, increased exhaust smoke, or the check engine light illuminating as symptoms of a restricted air filter.

Air Filter – Part No 1n-8165-8j-5897 – 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, synthetic fibers
ApplicationEngine air intake system
Service LifeReplace every 500 hrs or annually
CompatibilityCAT 3406, D399, D349
ConditionNew — OEM specification aftermarket

Failure Symptoms

A gradual reduction in engine power and increased fuel consumption are typical early signs of a clogged air filter. If ignored, the engine may struggle to accelerate, produce excessive black smoke, and the air-fuel mixture can become too rich, leading to inefficient combustion. Prolonged operation with a severely restricted filter can lead to premature engine wear.

Installation Tip

Ensure the air filter housing is clean and free of debris before installing the new filter to ensure a proper seal. Never operate the engine without an air filter installed, even for a short period.

Service Note

When replacing the air filter, inspect the air intake hoses and connections for any cracks or leaks.