VolvoEngine Parts

21260406 — V-Ribbed Belt Tensioner 21260406 For Volvo Penta Engine D13 D13B D16 D16C

This V-ribbed belt tensioner is crucial for maintaining the correct tension on the engine's accessory drive belt, ensuring optimal performance of components like the alternator and water pump. It is manufactured to meet stringent Volvo standards, providing superior durability and consistent tension compared to a worn or seized unit. A failing tensioner may cause the accessory belt to slip, leading to intermittent charging system warnings or overheating, and eventually belt breakage.

V-Ribbed Belt Tensioner 21260406 For Volvo Penta Engine D13 D13B D16 D16C – Part No 21260406 – 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 TypeV-Ribbed Belt Tensioner
MaterialSteel and rubber composite
ApplicationEngine accessory drive system
Service LifeReplace every 4,000 hrs or as needed
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing tensioner is often an audible squealing or chirping noise from the engine bay, especially on startup or under load. If ignored, the tensioner may seize or lose its ability to maintain tension, leading to belt slippage, reduced performance of accessories, and potential belt failure. Continued operation with a faulty tensioner risks damage to the belt and pulleys, and loss of critical engine functions.

Installation Tip

Ensure the mounting surfaces are clean and free of debris before installation to achieve a proper seal and prevent stress on the new component. Avoid overtightening the mounting bolts, as this can damage the tensioner body or the engine block.

Service Note

Inspect the V-ribbed belt and all accessory pulleys for wear or damage whenever replacing the belt tensioner.