CATEngine Parts

325-9784 Hydraulic Pump — Cat C18

This hydraulic pump is a critical component responsible for generating the high-pressure fluid flow required to operate the machine's various hydraulic systems. Built to meet CAT's rigorous performance and durability standards, it provides consistent output compared to a worn pump which may exhibit reduced flow or pressure. Operators might observe sluggish or unresponsive hydraulic functions, increased system temperature, or audible whining noises from the pump.

Hydraulic Pump – Part No 325-9784 – 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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

PM IST.', };

Related CAT Parts

From the same category — may also be needed

387-9432
6 Pcs Fuel Injector
4388956
Engine Parts Component
4e2616
Engine Parts Component
142-9325
Cold Start Rocker Switch
1439435
Hood & Guard Gp
9W9930
Engine Parts Component

Browse all CAT Engine Parts →

Ship This Part To Your Location

DubaiSaudi ArabiaNigeriaKenyaSouth AfricaBangladeshMalaysiaGhanaQatarEgypt
India
MaharashtraGujaratTamil NaduRajasthanKarnatakaTelangana

Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

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
MaterialHardened steel and durable seals
ApplicationMain hydraulic system
Service LifeReplace as needed based on performance
CompatibilityCAT specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of hydraulic pump failure include a noticeable decrease in the speed and power of hydraulic functions. If ignored, the pump may begin to whine or groan, and hydraulic fluid temperatures will rise significantly. Continued operation risks severe damage to other hydraulic components due to inadequate flow or pressure.

Installation Tip

Thoroughly flush the hydraulic system to remove any debris before installing the new pump. Ensure the pump shaft is properly aligned with the drive coupling to prevent premature seal wear.

Service Note

Always replace the hydraulic filter and inspect the hydraulic fluid for contamination when servicing or replacing the hydraulic pump.