CATEngine Parts

1w-5664 2 Pieces Impeller — Cat

This is a set of two high-quality impellers, essential components within the engine's cooling system responsible for circulating coolant. Manufactured from durable materials, these impellers ensure efficient fluid movement and heat dissipation, unlike worn or corroded original impellers that can lead to overheating. Operators may observe a rising temperature gauge, steam from the engine, or a loss of coolant circulation when these impellers begin to fail.

2 Pieces Impeller – Part No 1w-5664 – 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 TypeImpeller Set (2 pcs)
MaterialDurable cast iron or high-strength polymer
ApplicationEngine cooling system (water pump)
Service LifeReplace every 2,000-4,000 hrs or with water pump
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of failing impellers is often a gradual increase in engine operating temperature, especially under heavy load. If ignored, this can lead to reduced coolant flow, causing the engine to overheat and potentially leading to severe internal damage. Continued operation risks catastrophic engine failure due to excessive heat.

Installation Tip

Ensure the water pump housing is thoroughly cleaned and free of old gasket material before installing the new impellers. Do not attempt to force the impellers onto the shaft; they should seat smoothly.

Service Note

It is highly recommended to replace the water pump seal and inspect the drive belt tensioner and belt condition when replacing the impellers.