CATEngine Parts

527-0742-502-4798 Hydraulic Pump Flange — Cat

This hydraulic pump flange connects the hydraulic pump to the engine or transmission, ensuring a secure and leak-free power transfer. It is precision-machined to meet exact tolerances, providing a reliable seal unlike a cracked or corroded flange that can lead to leaks and pump damage. Operators may notice hydraulic system leaks, unusual noises from the pump area, or a loss of hydraulic function if this flange fails.

Hydraulic Pump Flange – Part No 527-0742-502-4798 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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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 Flange
MaterialCast iron, aluminum
ApplicationHydraulic pump mounting
Service LifeReplace as needed due to damage or corrosion
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing flange is often a visible hydraulic fluid leak at the pump connection point. This can progress to a loss of prime for the hydraulic pump or an audible air-sucking noise. If left unaddressed, it can lead to pump cavitation and premature failure of the hydraulic system.

Installation Tip

Thoroughly clean both the pump housing and the mounting surface to ensure a perfect seal. Use new O-rings or gaskets and tighten fasteners evenly in a crisscross pattern.

Service Note

Inspect the hydraulic pump shaft and bearings for any signs of wear or damage while the flange is removed.