VolvoEngine Parts

3183844 — Belt Tensioner 1661878 3183844 For Volvo Engine Td61Ge Excavator Ec200 Ec280 Ec230B Ec300 Ew200 Ew230B

This is a belt tensioner, an automatic device that maintains the correct tension on the engine's accessory drive belt, ensuring all driven components operate at the proper speed. It is engineered with a spring-loaded mechanism and durable bearings, providing consistent tension unlike a worn tensioner which allows belt slippage. Operators may hear a squealing noise from the belt area, notice premature belt wear, or observe that accessories like the alternator or water pump are not functioning correctly if the tensioner is failing.

Belt Tensioner 1661878 3183844 For Volvo Engine Td61Ge Excavator Ec200 Ec280 Ec230B Ec300 Ew200 Ew230B – Part No 3183844 – 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 Assembly
MaterialSteel and composite
ApplicationEngine accessory drive belt system
Service LifeReplace every 100,000 miles or as needed
CompatibilityVolvo 1661878
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing belt tensioner may initially cause a chirping or squealing noise from the accessory belt, especially on startup or acceleration. If the tensioner weakens, the belt may slip, leading to intermittent operation of accessories like the alternator or water pump. Continued operation with a faulty tensioner can result in belt breakage and loss of essential functions.

Installation Tip

When installing, ensure you retract the tensioner arm smoothly and do not force it. Always use the correct tool to avoid damaging the tensioner or surrounding components.

Service Note

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