CATUndercarriage

4W2180 Pulley-Crankshaft — Cat 3204 943

This Pulley-Crankshaft, part number 4W2180, is essential for the engine's accessory drive system, transmitting power from the crankshaft to components like the fan or alternator. Manufactured to high standards, it ensures smooth rotation and prevents belt slippage, unlike a worn pulley which may exhibit wobble or noise. Operator symptoms of a failing pulley include intermittent squealing noises, visible belt vibration, or a loss of accessory function.

Pulley-Crankshaft – Part No 4W2180 – CAT Spare Part
Part Specifications
BrandCAT
CategoryUndercarriage
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

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

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

Part TypeCrankshaft Pulley
MaterialCast Iron
ApplicationEngine crankshaft accessory drive
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing 4W2180 pulley is often an intermittent squealing sound from the engine compartment, especially upon startup or acceleration. If ignored, the pulley may develop excessive wobble, leading to premature belt wear or slippage, and potentially causing accessory systems to malfunction. Continued operation risks the pulley failing completely, leading to a loss of critical functions like engine cooling or battery charging.

Installation Tip

Ensure the crankshaft snout is clean and free of burrs before installing the new pulley to prevent damage. Use a proper puller/installer tool to avoid stressing the crankshaft or the new pulley.

Service Note

Inspect the drive belts and tensioner for wear or proper function when replacing the crankshaft pulley.