VolvoUndercarriage

20357382 — Idler Pulley 20357382 89112 For Volvo Penta Dayco

This idler pulley is a key component in the drive system, responsible for maintaining proper tension on the drive belt and ensuring smooth operation of accessories. Manufactured to meet rigorous standards, it provides reliable rotation and durability, unlike a worn pulley with a seized bearing or damaged groove. Operators may notice increased noise from the engine bay, a loose or flapping drive belt, or premature wear on the belt and other pulley components when this idler pulley is failing.

Idler Pulley 20357382 89112 For Volvo Penta Dayco – Part No 20357382 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryUndercarriage
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 Pulley
MaterialSteel, rubber
ApplicationEngine accessory drive system
Service LifeReplace every 1,500-2,500 hours or as needed
CompatibilityOEM specification, cross-reference 89112
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing idler pulley will typically start by making a squealing or grinding noise from the engine compartment, especially when the engine is cold or under load. If ignored, the pulley bearing can seize, causing the belt to slip, overheat, or break, leading to a loss of power to essential engine accessories. This can result in engine overheating or a complete shutdown.

Installation Tip

Before removing the old pulley, ensure the engine is off and cool to prevent burns. When installing the new pulley, confirm it spins freely and quietly by hand before re-installing the drive belt.

Service Note

When replacing the idler pulley, it is recommended to inspect the condition of the drive belt, tensioner, and all other accessory pulleys for wear.