CATEngine Parts

174-9690 Serpentine Belt — Cat

This is a serpentine belt, also known as a V-ribbed belt, that drives multiple engine accessories such as the alternator, power steering pump, and air conditioning compressor. It is constructed from a durable, reinforced rubber compound designed to maintain proper tension and grip across its pulleys, unlike a frayed or worn belt. Operators may notice a lack of power steering assist, dimming lights, or a squealing noise from the engine bay when this belt begins to slip or break.

Serpentine Belt – Part No 174-9690 – 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
MaterialReinforced Rubber Composite
ApplicationEngine Accessory Drive
Service LifeReplace every 1,000 hrs or as indicated
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing serpentine belt is often a high-pitched squealing noise, especially upon startup or acceleration, indicating slippage. If the belt becomes frayed or breaks, critical accessories will stop functioning, leading to issues like battery discharge, engine overheating, or loss of power steering. A broken belt will render the engine inoperable or severely compromise its essential functions.

Installation Tip

Before installing the new belt, check the tensioner pulley for proper operation and ensure all accessory pulleys are aligned and spinning freely. Do not use excessive force to pry the belt onto the pulleys, as this can damage the belt or pulleys.

Service Note

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