VolvoEngine Parts

20459798 — Fan Hub 20459798 21146743 1675786 For Volvo Engine D12

This fan hub is a critical component of the engine's cooling system, responsible for driving the engine fan to regulate operating temperature. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to a worn or failing hub which may exhibit wobble or bearing noise. Symptoms of a failing fan hub include excessive engine overheating, unusual noises from the front of the engine, and visible wobble of the fan.

Fan Hub 20459798 21146743 1675786 For Volvo Engine D12 – Part No 20459798 – 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 TypeFan Hub Assembly
MaterialForged Steel and High-Strength Bearing Components
ApplicationEngine Cooling System
Service LifeReplace as needed based on inspection or failure
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing fan hub is often an audible grinding or rattling noise from the front of the engine. If left unaddressed, the bearing can seize, leading to belt slippage and reduced cooling efficiency. Continued operation with a compromised fan hub risks severe engine overheating and potential internal damage.

Installation Tip

Ensure the mounting surfaces are clean and free of debris before installation to guarantee a proper seal. Avoid overtightening the mounting bolts, as this can damage the hub or the engine block.

Service Note

Inspect the engine fan blades for damage and the drive belt for wear and proper tension during fan hub replacement.