VolvoEngine Parts

20860507 — V-Ribbed Belt 10Pk1783 20860507 For Volvo Engine D7E290 Bus B6 B7 8700

This V-ribbed belt is a critical component of the engine's accessory drive system, powering components such as the alternator, water pump, and air conditioning compressor. It is constructed from a durable, reinforced rubber compound designed for long service life and consistent tension, unlike a worn belt that may slip or squeal. Operators may notice a lack of charging system output, engine overheating, or a high-pitched squealing noise from the front of the engine when this belt begins to fail.

V-Ribbed Belt 10Pk1783 20860507 For Volvo Engine D7E290 Bus B6 B7 8700 – Part No 20860507 – Volvo Spare Part
Part Specifications
BrandVolvo
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 TypeV-Ribbed Belt
MaterialReinforced rubber composite
ApplicationEngine accessory drive system
Service LifeReplace every 100,000 km or 2 years
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing V-ribbed belt is often a high-pitched squealing noise, particularly on startup or when accessories are engaged. If the belt becomes worn or damaged, it can lead to intermittent slipping, causing a loss of function in driven accessories like the alternator or water pump. A completely broken belt will result in a rapid loss of all accessory functions, potentially leading to battery discharge and engine overheating.

Installation Tip

Always release tension on the belt using the tensioner pulley before attempting to remove the old belt. Ensure the new belt is routed correctly around all pulleys before applying tension.

Service Note

Inspect the belt tensioner and all accessory pulleys for proper operation and bearing condition when replacing the V-ribbed belt.