VolvoEngine Parts

21531762 — Deflection Timing Belt Guide Idler Pulley 21531762 22307253 For Volvo Penta Engine Tad542Ve Tad550Ve Tad551Ve Fe Ii Truck Fe250-18 Fl280-18

This deflection timing belt guide idler pulley is essential for maintaining the correct tension and alignment of the engine's timing belt, ensuring precise camshaft and crankshaft synchronization. Manufactured to Volvo's exacting standards, it provides smooth, low-friction rotation and superior wear resistance compared to a damaged pulley. Operators might notice an irregular engine idle, a ticking or chirping noise from the timing cover area, or a loss of engine power if this idler pulley is failing.

Deflection Timing Belt Guide Idler Pulley 21531762 22307253 For Volvo Penta Engine Tad542Ve Tad550Ve Tad551Ve Fe Ii Truck Fe250-18 Fl280-18 – Part No 21531762 – 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 TypeTiming Belt Idler Pulley
MaterialSteel with sealed bearing
ApplicationEngine Timing Belt System
Service LifeReplace every 100,000 miles or as needed
CompatibilityVolvo OEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing idler pulley often begins with a faint chirping or grinding noise that increases with engine RPM. If the bearing seizes or the pulley wobbles, it can cause the timing belt to jump a tooth or become misaligned. This can lead to incorrect valve timing, rough running, and potential engine damage if the belt breaks or slips significantly.

Installation Tip

Ensure the mounting bolt is torqued to the manufacturer's specification to prevent the pulley from loosening or damaging the engine block. Always use a new bolt if specified by the service manual.

Service Note

When replacing the timing belt idler pulley, it is essential to inspect the condition of the timing belt itself and the tensioner.