CATEngine Parts

137-1339 Water Pump — Cat 3408 3412

This water pump is a critical component of the engine's cooling system, circulating coolant to prevent overheating. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to worn or failing units. Operators may notice engine temperature gauge fluctuations, persistent overheating warnings, or visible coolant leaks around the pump housing when this part begins to fail.

Water Pump – Part No 137-1339 – 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 TypeEngine Water Pump
MaterialCast iron and steel
ApplicationEngine cooling system
Service LifeReplace every 2,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing water pump is often a high-pitched whining noise from the front of the engine or a gradual increase in engine temperature. If ignored, the pump can seize or leak significantly, leading to severe engine overheating and potential damage. Continued operation with a compromised cooling system risks major engine component failure.

Installation Tip

Ensure the engine block's water passages are clean before installation to prevent debris from interfering with the new pump's seal. Do not overtighten the mounting bolts, as this can distort the pump housing and cause leaks.

Service Note

Inspect the drive belt and tensioner for wear and proper function when replacing the water pump.