CATEngine Parts

350-8747 Engine Belt — Cat 320E 326D2

This is an Engine Belt, crucial for driving essential engine accessories such as the alternator, water pump, and air conditioning compressor. It is constructed from durable, reinforced rubber compounds designed to withstand high temperatures and constant flexing, unlike a worn belt that may crack or fray. Operators might observe a high-pitched squealing noise from the engine bay, a lack of charging system output (dimming lights), or engine overheating if this belt fails.

Engine Belt – Part No 350-8747 – 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 TypeSerpentine Belt / V-Belt
MaterialReinforced Rubber Composite
ApplicationEngine Accessory Drive System
Service LifeReplace every 50,000 miles or 2 years, or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A common symptom is a high-pitched squealing noise, especially on startup or under load. If left unaddressed, the belt may slip, leading to insufficient charging of the battery and potential engine overheating due to a non-functional water pump. Complete belt failure would result in the immediate loss of all accessory functions, potentially causing severe engine damage if operation continues.

Installation Tip

Ensure the tensioner pulley is properly released before attempting to remove the old belt. Never use excessive force or pry tools against the belt itself when installing to avoid damaging the belt or other components.

Service Note

Inspect the belt tensioner and all accessory pulleys for proper function and bearing wear when replacing the engine belt.