VolvoEngine Parts

HD46645721WIN-1 — Coolant Pump 21125771 20502535 For Volvo Engine D5A D7A Tad420Ve Tad520Ge Tad620Ve Excavator Ec160C Ec180B Ec200B Ec210B Ec220Dl Ec235C Ec240B

This coolant pump is responsible for circulating coolant through the engine block and radiator, maintaining optimal operating temperature and preventing overheating. It is built with durable materials to ensure consistent flow and longevity, unlike a worn pump with a failing bearing or eroded impeller. Operators may observe rising engine temperatures, steam emanating from the engine compartment, or visible coolant leaks beneath the machine.

Coolant Pump 21125771 20502535 For Volvo Engine D5A D7A Tad420Ve Tad520Ge Tad620Ve Excavator Ec160C Ec180B Ec200B Ec210B Ec220Dl Ec235C Ec240B – Part No HD46645721WIN-1 – Volvo Spare Part
Part Specifications
BrandVolvo
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 TypeCoolant Pump
MaterialCast iron and steel
ApplicationEngine cooling system
Service LifeReplace every 3,000-5,000 hours or as indicated by wear
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing coolant pump is often a visible coolant leak from the weep hole or seal. If the pump's bearing fails, it can lead to a loud grinding noise and potential belt breakage, or the impeller can erode, severely reducing coolant flow. This can cause rapid engine overheating, leading to potential cylinder head damage or gasket failure.

Installation Tip

Ensure the mounting surface on the engine block is perfectly clean and free of old gasket material to guarantee a leak-free seal. Always use new gaskets and O-rings provided with the pump; do not reuse old sealing components.

Service Note

Inspect the thermostat and radiator hoses for signs of degradation or blockage, as these can contribute to cooling system inefficiency and premature pump failure.