VolvoEngine Parts

22081685 Idler Gear — Volvo FH12 FH16

This idler gear is a critical component within the engine's timing or accessory drive system, transmitting rotational force between shafts. It is precision-machined to meet Volvo's exacting standards for durability and smooth operation, unlike a worn gear with chipped teeth or excessive play. Operators may experience increased engine noise, rough idling, or a loss of power if this idler gear begins to fail.

Idler Gear – Part No 22081685 – 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

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 TypeIdler Gear
MaterialHardened Steel
ApplicationEngine Timing or Accessory Drive System
Service LifeReplace based on wear inspection, typically with timing belt/chain service
CompatibilityVolvo FH12, FH16, FH 420, FH 460, FH 500
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of failure may include a whining or grinding noise from the engine, particularly at idle or under load. If ignored, the gear teeth can wear down or break, leading to timing issues and potential engine damage. Continued operation risks severe internal engine damage due to incorrect timing or component seizure.

Installation Tip

Ensure the shaft and mounting bore are perfectly clean before installing the new gear to prevent premature wear. Do not force the gear onto the shaft; it should slide on smoothly if aligned correctly.

Service Note

Inspect the timing belt or chain, tensioners, and other related gears for wear or damage whenever replacing the idler gear.