CATFilters

4I3948 Filter-Oil — Cat 320B

This is a high-efficiency oil filter designed to capture contaminants from the engine's lubricating oil, ensuring optimal performance and longevity. It is manufactured to meet stringent filtration standards, providing superior protection against wear-causing particles compared to a worn or bypassed filter. Operators may notice a decrease in engine power, increased oil consumption, or unusual engine noises if this filter begins to fail.

Filter-Oil – Part No 4I3948 – 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 TypeOil Filter
MaterialCellulose/synthetic blend media
ApplicationEngine lubrication system
Service LifeReplace every 500 hrs or annually
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial symptoms of a failing oil filter may include a slight increase in oil pressure warning light activity or a subtle degradation in engine smoothness. If the filter becomes clogged or the bypass valve malfunctions, unfiltered oil can circulate, leading to accelerated wear on bearings, crankshaft, and camshafts. This can result in significant engine damage and costly repairs.

Installation Tip

Ensure the engine is cool before attempting filter removal to prevent burns, and do not overtighten the new filter, as this can damage the seal or the filter housing.

Service Note

Inspect the engine oil for signs of contamination or excessive metal particles, and check the condition of the oil pan gasket.