CATUndercarriage

2Y8924 Pulley-Alternator — Cat 3306

This is an alternator pulley designed to drive the alternator via the engine's accessory belt system, crucial for maintaining battery charge and powering electrical systems. It is manufactured from durable materials to resist wear from belt friction and engine vibration, ensuring consistent rotation. A worn or damaged pulley can lead to a loose or slipping belt, resulting in insufficient battery charging and potential failure of electrical components.

Pulley-Alternator – Part No 2Y8924 – 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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

;

Related CAT Parts

From the same category — may also be needed

1793033
Spring Gp-Recoil
1764887
Cylinder
1156422
Caterpillar Track Adjuster & Recoil Gp 1156422
6Y4898
Undercarriage Component
1156428
Piston As
8e2900
Undercarriage Ar

Browse all CAT Undercarriage →

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 TypeAlternator Pulley
MaterialCast iron or steel
ApplicationEngine accessory drive system
Service LifeVaries by application and belt condition
Compatibility3304B, 3306, 930, 930R, 966C
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A worn pulley may exhibit a grooved or damaged surface, or it might wobble when the engine is running. This can lead to a loose or slipping accessory belt, causing the battery warning light to illuminate and electrical systems to function erratically. Continued operation with a faulty pulley can lead to alternator failure and a dead battery.

Installation Tip

Ensure the pulley surface is clean and free of any grease or debris before installing the new pulley to ensure proper belt grip. Do not overtighten the pulley mounting bolt, as this can damage the pulley or shaft.

Service Note

Inspect the accessory drive belt and tensioner for wear and proper function when replacing the alternator pulley.