VolvoEngine Parts

22307251 — Belt Tensioner 21750781 22307251 For Volvo Penta Engine Tad570-72Ve Tad552Ve Tad840-43Ve Tad840Ge D8A5-Amg

This belt tensioner automatically adjusts the drive belt's tension, ensuring optimal power transfer from the engine's accessories. It is manufactured to precise specifications, providing consistent tension unlike a worn tensioner with a weak spring or faulty bearing. Symptoms of a failing belt tensioner include a squealing noise from the belt, premature belt wear, and intermittent operation of accessories like the alternator or power steering pump.

Belt Tensioner 21750781 22307251 For Volvo Penta Engine Tad570-72Ve Tad552Ve Tad840-43Ve Tad840Ge D8A5-Amg – Part No 22307251 – 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 TypeBelt Tensioner
MaterialSteel, Rubber
ApplicationEngine Accessory Drive System
Service LifeReplace every 100,000 miles or as needed
CompatibilityVolvo 21750781
ConditionNew — OEM specification aftermarket

Failure Symptoms

A worn belt tensioner often produces a distinct squealing or chirping noise from the front of the engine, especially on startup or under load. If the tensioner fails completely, the drive belt may slip or come off, causing a loss of function for critical accessories like the alternator and water pump. This can lead to battery discharge or engine overheating.

Installation Tip

Before installing, ensure the mounting bolt threads are clean and free of damage. Do not use excessive force when tightening the tensioner mounting bolt, as over-tightening can damage the tensioner or engine block.

Service Note

Always replace the serpentine or V-belt when replacing the belt tensioner.