CATEngine Parts

326-4689 Open Crankcase Ventilation Element — Cat C13 C18

This is an Open Crankcase Ventilation (OCV) element, a critical component for maintaining engine health by filtering blow-by gases. It separates oil and contaminants from the crankcase vapors before they are recirculated, preventing sludge buildup and oil contamination. A clogged or damaged OCV element can lead to increased crankcase pressure, oil leaks, and reduced engine performance.

Open Crankcase Ventilation Element – Part No 326-4689 – 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 TypeOpen Crankcase Ventilation Element
MaterialHigh-efficiency filter media
ApplicationEngine crankcase ventilation system
Service LifeReplace every 1,000-2,000 hours or as recommended
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing OCV element may first manifest as increased oil consumption or slight oil seepage from seals. If left unaddressed, this can progress to significant oil leaks, internal engine sludge formation, and a noticeable reduction in engine power and efficiency. The ultimate consequence is accelerated wear on internal engine components due to poor lubrication and contamination.

Installation Tip

Clean the OCV housing thoroughly before installing the new element to ensure a proper seal. Do not force the element into place; it should fit snugly without excessive pressure.

Service Note

Inspect the crankcase breather tubes and associated seals for any signs of blockage or damage when replacing the OCV element.