CATEngine Parts

275-6558 Belt Tensioner — Cat C13

This is a belt tensioner, a vital component in the engine's accessory drive system that maintains optimal belt tension for reliable operation of components like the alternator and water pump. Manufactured to meet OEM quality standards, it ensures consistent tension unlike a worn or loose tensioner. Operators may observe excessive belt noise (squealing), premature belt wear, or intermittent charging system warnings when this part is failing.

Belt Tensioner – Part No 275-6558 – CAT Spare Part
Part Specifications
BrandCAT
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 TypeAutomatic Belt Tensioner
MaterialSteel and composite
ApplicationEngine accessory drive system
Service LifeReplace every 100,000 miles or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing belt tensioner often first presents as a persistent squealing noise from the engine's front, especially on startup or acceleration. If ignored, the belt may begin to slip intermittently, leading to reduced performance of accessories like the alternator or water pump, and potentially causing belt damage.

Installation Tip

Before installing, ensure the mounting surface is clean and free of corrosion to achieve proper seating. Do not use excessive force to retract the tensioner arm when installing the belt, as this can damage the internal spring mechanism.

Service Note

Inspect the condition of the serpentine belt and all accessory pulleys for wear or damage whenever replacing the belt tensioner.