CATEngine Parts

428-7985 Air Filter — Cat 311Flrr 312Fgc

This is a high-efficiency air filter designed to protect your CAT engine from airborne contaminants. It meets stringent OEM filtration standards, ensuring superior performance compared to a clogged or damaged filter that restricts airflow. Operators may notice reduced engine power, increased fuel consumption, or black smoke from the exhaust when this filter begins to fail.

Air Filter – Part No 428-7985 – 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 synthetic media
ApplicationEngine air intake system
Service LifeReplace every 500 hrs or annually
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing air filter is often a noticeable decrease in engine power or responsiveness. If ignored, the engine will struggle to breathe, leading to increased fuel consumption and potential soot buildup. This can eventually lead to premature engine wear and reduced operational efficiency.

Installation Tip

Ensure the air filter housing is completely clean before installing the new filter to prevent debris from compromising the seal. Do not overtighten the housing clamps, as this can damage the filter or housing.

Service Note

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