VolvoEngine Parts

FPWM2510089 — Idler Shaft 3026166 For Cummins Engine 4B3.9 Ism Qsm11 X15 Volvo Excavator Ec360 Ec460 Case Tractor 9150

This idler shaft is a critical component within the engine's timing or accessory drive system, ensuring proper rotation and tension for belts or chains. It is manufactured from hardened steel to withstand continuous rotational stress and maintain precise alignment, unlike a worn shaft that can develop play or seize. Operators may notice increased noise from the engine bay, erratic belt movement, or a loss of accessory function if the idler shaft begins to fail.

Idler Shaft 3026166 For Cummins Engine 4B3.9 Ism Qsm11 X15 Volvo Excavator Ec360 Ec460 Case Tractor 9150 – Part No FPWM2510089 – 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 TypeIdler Shaft
MaterialHardened Steel
ApplicationEngine accessory drive system
Service LifeReplace as needed during belt system service
CompatibilityCummins 4B3.9, ISM, QSM11, X15; Volvo EC360, EC460, 9150
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of an idler shaft issue is often an audible noise, such as a grinding or squealing sound, emanating from the front of the engine. If left unaddressed, the shaft can seize, causing the drive belt to break or slip, leading to the failure of critical engine accessories. The ultimate consequence is the potential for engine overheating or loss of power steering and charging.

Installation Tip

Ensure the mounting hole for the idler shaft is clean and free of debris to allow for proper seating and alignment. Do not overtighten the mounting bolt, as this can damage the shaft or the engine bracket.

Service Note

Always replace the drive belt when replacing an idler shaft, and inspect all other pulleys for smooth rotation and proper tension.