CATEngine Parts

212-8180 Water Pump Shaft — Cat 3508B G3508

This water pump shaft is a vital component that drives the impeller in the engine's cooling system, circulating coolant to prevent overheating. Manufactured from hardened steel, it meets CAT's rigorous specifications for strength and corrosion resistance, unlike a bent or corroded shaft. Operators may notice the engine temperature gauge rising into the red zone, accompanied by coolant leaks or unusual noises from the water pump area when this shaft fails.

Water Pump Shaft – Part No 212-8180 – 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 TypeWater Pump Shaft
MaterialHardened steel
ApplicationEngine cooling system water pump
Service LifeReplace as part of water pump assembly
CompatibilityCAT specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing water pump shaft is often an overheating engine, indicated by the temperature gauge. This may be accompanied by audible grinding or whining noises from the water pump area and visible coolant leaks. If the shaft breaks completely, coolant circulation will cease, leading to rapid and severe engine overheating, potentially causing catastrophic internal damage.

Installation Tip

Ensure the water pump housing is thoroughly cleaned of old gasket material and debris before installing the new shaft. Verify that the shaft rotates smoothly without binding before reassembling the pump.

Service Note

When replacing the water pump shaft, it is essential to inspect and replace the water pump seal, impeller, and bearings.