CATEngine Parts

20r-0951 Water Pump — Cat C13

This is a water pump assembly responsible for circulating coolant through the engine block and radiator to maintain optimal operating temperature. It is engineered with durable seals and a robust impeller to ensure consistent coolant flow under demanding conditions. Operators may observe coolant leaks, a rise in engine temperature, or hear a grinding noise from the pump bearing when this component begins to fail.

Water Pump – Part No 20r-0951 – 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
MaterialCast iron, steel, rubber seals
ApplicationEngine cooling system
Service LifeReplace every 3,000 hrs or 3 years
CompatibilityCAT C13, 349E, 352F, 980M, 621K, 623K, 627K, 730
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of a failing water pump include visible coolant leaks around the pump housing or a persistent whining or grinding noise from the pulley area. If the pump fails completely, the engine temperature will rapidly climb into the red zone, potentially leading to severe engine damage from overheating. Loss of coolant circulation is the critical risk.

Installation Tip

Thoroughly clean the engine block mounting surface to ensure a perfect seal with the new gasket. Avoid overtightening the mounting bolts, as this can warp the pump housing.

Service Note

When replacing the water pump, it is essential to flush the cooling system and replace the coolant and thermostat.