CATEngine Parts

3g-2721 Hydraulic Pump Cartridge — Cat 3306

This is a Hydraulic Pump Cartridge, a crucial assembly within the hydraulic system responsible for generating fluid flow and pressure. It is precision-engineered to meet stringent performance standards, ensuring efficient operation and longevity, unlike a worn cartridge that can lead to sluggish hydraulics or system failure. Operators may experience slow or erratic hydraulic functions, such as boom or bucket movement, when this component is compromised.

Hydraulic Pump Cartridge – Part No 3g-2721 – 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 TypeHydraulic Pump Cartridge
MaterialHardened steel and bronze alloys
ApplicationMain hydraulic pump
Service LifeReplace as needed based on performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing cartridge is often a noticeable decrease in the speed or power of hydraulic functions. If left unaddressed, this can progress to erratic movements, complete loss of hydraulic pressure, and inability to operate the equipment. Continued operation risks overheating the hydraulic system and damaging the pump housing.

Installation Tip

Ensure the hydraulic system is thoroughly flushed before installing a new cartridge to remove any debris that could cause premature wear. Never reuse old seals or O-rings; always install new ones provided with the cartridge kit.

Service Note

When replacing the hydraulic pump cartridge, it is essential to inspect and potentially replace the hydraulic fluid and filter, as well as check the condition of hydraulic hoses and fittings.