VolvoEngine Parts

20743007 — Idler Gear 20743007 For Volvo Engine D16C Tad1640Ge Tad1650Ve Twd1663Ge Excavator Ec700B

This idler gear is a crucial component in the engine's timing or accessory drive system, ensuring the correct rotation and synchronization of other gears or components. It is precision-machined from hardened steel to meet Volvo's exacting standards for wear resistance and smooth operation, unlike a worn gear with damaged teeth. Operators may experience abnormal engine noises, such as grinding or rattling, or notice issues with the driven components' function when this gear is failing.

Idler Gear 20743007 For Volvo Engine D16C Tad1640Ge Tad1650Ve Twd1663Ge Excavator Ec700B – Part No 20743007 – 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 Gear
MaterialHardened steel
ApplicationEngine timing or accessory drive system
Service LifeReplace if worn or damaged
CompatibilityVolvo 20743007
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing idler gear is often an audible change in engine noise, such as increased clicking, grinding, or rattling. If the gear continues to wear, it can lead to improper timing or drive for connected components, potentially causing erratic engine performance or failure of driven accessories. The most severe outcome is the gear tooth breakage, which can cause significant internal engine damage.

Installation Tip

Thoroughly clean the mounting bore and ensure the shaft is free of burrs or damage before installing the new gear. Always use the correct retaining hardware and torque specifications.

Service Note

Inspect the teeth of all meshing gears for wear or damage, and check the condition of the shaft and bearings supporting the idler gear.