CATEngine Parts

148-8977 Hydraulic Oil Cooler — Cat 3412E 3412

This is a hydraulic oil cooler, essential for maintaining the optimal operating temperature of your machine's hydraulic system by dissipating heat. Manufactured to meet rigorous OEM standards, it ensures efficient cooling and prevents hydraulic component degradation caused by overheating. Operators may notice sluggish hydraulic functions, overheating warnings, or a change in oil viscosity if this cooler is not functioning correctly.

Hydraulic Oil Cooler – Part No 148-8977 – 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 Oil Cooler
MaterialAluminum, steel
ApplicationHydraulic system cooling
Service LifeReplace as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing hydraulic oil cooler is a gradual increase in hydraulic system temperature, potentially triggering overheating alarms. If left unaddressed, the elevated temperatures will degrade the hydraulic fluid, leading to reduced performance and accelerated wear on components like pumps and cylinders. Ultimately, this can cause hydraulic system failure and costly repairs.

Installation Tip

Before installing the new cooler, thoroughly flush the hydraulic system to remove any debris or contaminants that could clog the new unit. Ensure all mounting hardware is securely fastened but avoid over-tightening, which can damage the cooler's mounting points.

Service Note

Replace the hydraulic oil filter, inspect the hydraulic pump for wear, and check all hydraulic lines for leaks or damage.