CATEngine Parts

3g-7666 Hydraulic Pump Cartridge — Cat 3408

This is a high-performance hydraulic pump cartridge designed to generate and regulate hydraulic flow for various machine functions. It is manufactured to strict tolerances, ensuring efficient fluid transfer and pressure generation, unlike a worn cartridge that may leak internally or fail to build adequate pressure. Operators might observe sluggish hydraulic system response, a lack of lifting or steering power, or audible whining noises from the hydraulic pump when this component is failing.

Hydraulic Pump Cartridge – Part No 3g-7666 – 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 precision seals
ApplicationHydraulic system
Service LifeReplace as needed based on hydraulic system performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of a failing hydraulic pump cartridge include a noticeable slowdown in hydraulic functions and a reduction in system pressure. If ignored, the hydraulic system may become completely unresponsive, leading to an inability to operate critical functions like steering or lifting. This can immobilize the equipment and prevent further operation.

Installation Tip

Thoroughly clean the hydraulic pump housing and ensure all internal passages are free of debris before inserting the new cartridge. Be careful not to damage the seals on the cartridge during installation.

Service Note

Always flush the hydraulic system and replace the hydraulic filter when installing a new pump cartridge to prevent contamination.