VolvoEngine Parts

FPLJ2512136 — Belt Tensioner 3680194 For Cummins Engine Isx X15 Isx15 Qsx15 Perterbilt 378 379 387 Volvo Vnl Kenworth T2000 T600A

This belt tensioner is a crucial component that maintains the correct tension on the engine's accessory drive belt, ensuring all driven components operate efficiently. Manufactured to meet OEM quality standards, it provides consistent belt tension, unlike a worn tensioner that can cause belt slippage or noise. Operators may notice a squealing noise from the front of the engine, premature belt wear, or intermittent operation of accessories like the alternator or water pump when this tensioner fails.

Belt Tensioner 3680194 For Cummins Engine Isx X15 Isx15 Qsx15 Perterbilt 378 379 387 Volvo Vnl Kenworth T2000 T600A – Part No FPLJ2512136 – 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 composite
ApplicationEngine accessory drive system
Service LifeReplace every 2,000 hrs or as needed
CompatibilityCummins/Peterbilt/Volvo/Kenworth specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing belt tensioner often begins with an audible squealing or chirping sound from the engine compartment, especially on startup or when accessories are engaged. If the tensioner fails completely, the drive belt can slip or come off, leading to a loss of power steering, alternator charging, and engine cooling. Continued operation without proper belt tension can cause belt damage and potentially lead to overheating.

Installation Tip

Before installing, ensure the mounting bolt threads are clean and lubricated to prevent seizing. Do not use excessive force to retract the tensioner arm when installing the belt.

Service Note

Always replace the drive belt when replacing the belt tensioner, and inspect all idler pulleys for smooth rotation.