CATEngine Parts

268-6705 Air Filter — Cat C18 D9T

This is a high-efficiency air filter designed to protect the engine of CAT equipment by removing harmful contaminants from the intake air. Manufactured to meet stringent filtration standards, it ensures clean air reaches the combustion chamber, unlike a clogged filter which restricts airflow and allows dirt ingress. Operators may notice a significant loss of engine power, increased exhaust smoke, or premature engine wear when the air filter becomes excessively dirty or damaged.

Air Filter – Part No 268-6705 – 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 and polyester blend media
ApplicationEngine air intake system
Service LifeReplace every 500-1000 operating hours or as needed
CompatibilityCAT C18, C9, D3K XL, D9T, D7E Engines
ConditionNew — OEM specification aftermarket

Failure Symptoms

A clogged air filter will first manifest as a noticeable reduction in engine power and responsiveness. Continued operation with a dirty filter can lead to increased fuel consumption and black smoke from the exhaust due to incomplete combustion. The ultimate consequence is accelerated wear on engine components like pistons and cylinders from ingested contaminants.

Installation Tip

Always ensure the filter housing is completely clean before installing the new filter to prevent any gaps that could allow unfiltered air to enter. Never operate the engine without an air filter installed, even for a short period.

Service Note

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