CATEngine Parts

5i-4407 Gear Pump — Cat 330 330L

This gear pump is a critical component of the engine's lubrication system, responsible for circulating oil to reduce friction and dissipate heat. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to worn or failing units. Operators may notice a drop in oil pressure, increased engine noise, or the illumination of the oil pressure warning light when this pump begins to fail.

Gear Pump – Part No 5i-4407 – 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 TypeGear Pump
MaterialSteel alloy
ApplicationEngine lubrication system
Service LifeReplace every 4,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A gradual decrease in engine oil pressure is the first sign of a failing gear pump. If ignored, this can lead to increased friction and wear on internal engine components, potentially causing severe internal damage and reduced engine performance.

Installation Tip

Ensure the oil pickup tube is properly seated and sealed before installing the new pump to prevent air from entering the lubrication system. Avoid overtightening the mounting bolts, as this can distort the pump housing.

Service Note

Inspect the oil pickup screen and oil pan for any debris or sludge that could indicate a larger issue within the lubrication system.