CATHydraulic Parts

148-9108-234-4675 Hydraulic Oil Cooler — Cat Excavator E345Bii E345Bl

This is a heat exchanger designed to cool the hydraulic oil, maintaining optimal operating temperatures within the hydraulic system. It is manufactured to meet stringent OEM standards, ensuring superior heat dissipation compared to a worn or clogged unit. Operators may notice a sluggish hydraulic system, increased fluid temperatures, or audible whining from the pump when this component begins to fail.

Hydraulic Oil Cooler – Part No 148-9108-234-4675 – CAT Spare Part
Part Specifications
BrandCAT
CategoryHydraulic 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

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeHydraulic Oil Cooler
MaterialAluminum/Steel
ApplicationHydraulic system cooling
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of failure may include a gradual increase in hydraulic fluid temperature warnings. If ignored, the system will experience reduced performance and potential component damage due to overheating. Prolonged operation with a failing cooler risks severe damage to hydraulic pumps and cylinders.

Installation Tip

Thoroughly flush the hydraulic system to remove any contaminants before installing the new cooler. Avoid overtightening the mounting bolts, which can distort the cooler's mounting surface.

Service Note

Inspect hydraulic hoses and fittings for leaks or wear, and consider replacing the hydraulic filter element when replacing the oil cooler.