VolvoEngine Parts

21155561 — Belt Tensioner 21155561 For Volvo Penta Engine Tad1641Ge Twd1653Ge Excavator Ec330B Ec330C Ec360B Ec360C Ec460B Ec460C Ec700B Ec700Bhr Ec700C

This belt tensioner is engineered to provide consistent and optimal tension for the engine's accessory drive belt, ensuring the reliable operation of components such as the alternator, water pump, and air conditioning compressor. It is constructed from durable materials designed to withstand the rigors of continuous operation and temperature fluctuations, unlike a worn tensioner with a weak spring or a seized pulley bearing. Common symptoms of a failing tensioner include a persistent squealing or chirping noise from the belt drive, excessive belt vibration, or visible signs of belt wear like cracking or fraying.

Belt Tensioner 21155561 For Volvo Penta Engine Tad1641Ge Twd1653Ge Excavator Ec330B Ec330C Ec360B Ec360C Ec460B Ec460C Ec700B Ec700Bhr Ec700C – Part No 21155561 – 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 and rubber
ApplicationEngine accessory drive belt system
Service LifeReplace every 100,000 miles or as needed
CompatibilityVolvo Penta TAD1641GE, TWD1653GE; Excavators EC330B, EC330C, EC360B, EC360C, EC460B, EC460C, EC700B, EC700BHR, EC700C
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first noticeable symptom of a failing belt tensioner is typically an audible squeal or chirp originating from the accessory drive belt system, especially during engine startup or when accessories are under load. If the tensioner continues to degrade, the belt may begin to vibrate excessively or slip, leading to intermittent operation of critical components like the alternator and water pump. Prolonged operation with a faulty tensioner can result in premature belt failure and potential damage to other engine components.

Installation Tip

Ensure the mounting surface on the engine block is clean and free of any corrosion or debris before installing the new tensioner to ensure a secure fit. Avoid using excessive force when compressing the tensioner arm to slip the belt on, as this can damage the internal spring mechanism.

Service Note

Always inspect the condition of the accessory drive belt and all associated pulleys for wear, damage, or misalignment when replacing the belt tensioner.