VolvoEngine Parts

21841168 — Belt Tensioner 21841168 For Volvo Penta Engine V8-380-C-D V8-350-C-D

This Belt Tensioner is designed to maintain the correct tension on the engine's accessory drive belt, ensuring all driven components like the alternator and water pump operate efficiently. It is constructed with durable materials and a reliable spring mechanism, unlike a worn tensioner that may allow the belt to slip or become loose. Operators may notice symptoms such as a squealing noise from the belt area, premature belt wear, or intermittent operation of accessories.

Belt Tensioner 21841168 For Volvo Penta Engine V8-380-C-D V8-350-C-D – Part No 21841168 – 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
ApplicationAccessory drive belt system
Service LifeReplace every 100,000 miles or as needed
CompatibilityVolvo Penta V8-380-C-D, V8-350-C-D
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing belt tensioner is often an audible squealing or chirping noise coming from the engine's accessory drive belt area, especially on startup or under load. If ignored, the belt may start to slip, leading to intermittent operation of accessories like the alternator or water pump. This can eventually result in belt failure or damage to the tensioner pulley bearing.

Installation Tip

Ensure the mounting surface for the tensioner is clean and free of corrosion before installation. When releasing the tensioner to remove the old belt, do so smoothly to avoid sudden stress on the mechanism.

Service Note

Inspect the condition of the accessory drive belt and all driven pulleys for wear or damage when replacing the belt tensioner.