CATElectrical Parts

2153291 Pulley — Cat 973C D6R II

This pulley is a critical component of the engine's accessory drive system, responsible for guiding and tensioning the drive belts. It is manufactured to meet stringent OEM quality standards, ensuring smooth operation and durability compared to worn pulleys that can cause belt slippage and noise. Operators may notice increased belt noise, premature belt wear, or a loss of accessory function if this pulley fails.

Pulley – Part No 2153291 – CAT Spare Part
Part Specifications
BrandCAT
CategoryElectrical 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

Disconnect main battery before working on electrical components. Use dielectric grease on all connector pins. Check ground connections — most electrical faults trace to poor grounds. Test with multimeter before installing new parts.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeDrive Belt Pulley
MaterialSteel
ApplicationEngine accessory drive system
Service LifeReplace when worn or noisy, typically 4,000-6,000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing pulley is often an audible squealing or grinding noise from the engine bay. If left unaddressed, the pulley can seize, leading to belt breakage and loss of power to essential engine accessories. This can result in overheating or a complete shutdown of the equipment.

Installation Tip

Ensure the new pulley spins freely and quietly before installation; a rough or noisy bearing indicates a defect. Do not overtighten the mounting bolt, as this can damage the pulley or its bearing.

Service Note

Always inspect the condition of the drive belts and tensioner when replacing a pulley.