CATFilters

3808941 Filter Element As-Air — Cat 3512B 3512C

This is an air filter element specifically designed for heavy-duty diesel engines, crucial for preventing airborne contaminants from entering the combustion chamber. It ensures that only clean air is supplied to the engine, optimizing fuel efficiency and preventing internal wear. A damaged or excessively dirty air filter will restrict airflow, leading to reduced power and increased soot production.

Filter Element As-Air – Part No 3808941 – 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
MaterialMulti-layer synthetic media
ApplicationEngine air intake system
Service LifeReplace every 1000-2000 hours or when visually dirty
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A restricted air filter will first cause a noticeable reduction in engine power and potentially increased fuel consumption. If the restriction becomes severe, the engine may run rough, produce excessive exhaust smoke, and suffer from incomplete combustion. Prolonged operation with a severely clogged air filter can lead to premature wear of internal engine components like pistons and cylinder liners.

Installation Tip

Before installing the new filter, ensure the air intake housing is completely clean and free of any debris that could be drawn into the engine. Make sure the filter is properly seated and the housing is securely sealed.

Service Note

Inspect the pre-cleaner (if equipped) and the entire air intake system for leaks or damage when replacing the main air filter element.