VolvoCooling System

14729114 — Water Expansion Tank Voe14729114 Voe14729115 For Volvo Excavator Ec120D Ec180D Ec200D Ec210D Ec380E Ew160E Ew205D Ewr150E

This water expansion tank is a vital part of the Volvo excavator's cooling system, accommodating the expansion and contraction of coolant as it heats and cools. Constructed from robust, impact-resistant plastic, it ensures long-term durability and prevents leaks, unlike a cracked or degraded tank that can lead to coolant loss. Operators may notice the coolant level dropping rapidly, frequent engine overheating warnings, or visible coolant seepage around the tank.

Water Expansion Tank Voe14729114 Voe14729115 For Volvo Excavator Ec120D Ec180D Ec200D Ec210D Ec380E Ew160E Ew205D Ewr150E – Part No 14729114 – Volvo Spare Part
Part Specifications
BrandVolvo
CategorySpare 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

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeExpansion Tank
MaterialHigh-density polyethylene
ApplicationEngine cooling system
Service LifeReplace when leaks or damage detected
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A primary indicator of a faulty expansion tank is a consistently low coolant level or visible coolant leaks originating from the tank itself. If left unaddressed, the engine may begin to overheat, potentially causing damage to critical engine components. The most severe consequence is a complete loss of coolant, leading to rapid engine overheating and potential seizure.

Installation Tip

When installing, ensure the new tank's mounting points align perfectly to avoid stress on the plastic. Do not overtighten the clamps or bolts, as this can cause the tank to crack.

Service Note

Inspect the radiator cap and all coolant hoses for signs of wear or damage when replacing the expansion tank.