VolvoEngine Parts

21399021 — Temperature-Resistant Compound Multi-Ribbed Belt For Volvo Engine 4.3 5.0 John Deere Tractor 220 4120 Epdm Polyester Thread Replaces Oem 21399021 R515222 12560405 6Pk2360

This is a multi-ribbed V-belt designed to transmit power from the engine's crankshaft to various accessories like the alternator, water pump, and power steering pump. It is constructed from EPDM rubber with a polyester thread core for durability and resistance to heat and wear, ensuring optimal performance compared to a worn belt that may slip or crack. Symptoms of a failing belt include a high-pitched squealing noise from the engine bay, especially on startup or acceleration, and visible cracks or fraying on the belt's surface.

Temperature-Resistant Compound Multi-Ribbed Belt For Volvo Engine 4.3 5.0 John Deere Tractor 220 4120 Epdm Polyester Thread Replaces Oem 21399021 R515222 12560405 6Pk2360 – Part No 21399021 – 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 TypeMulti-Ribbed V-Belt
MaterialEPDM Rubber, Polyester Thread
ApplicationEngine Accessory Drive
Service LifeReplace every 4,000 hrs or 4 years
CompatibilityReplaces Volvo 21399021, R515222, 12560405, 6PK2360
ConditionNew — OEM specification aftermarket

Failure Symptoms

A worn serpentine belt may produce a persistent squealing sound, particularly during cold starts or when electrical loads are high. If left unaddressed, the belt can eventually fray, snap, or slip excessively, leading to a loss of power to critical engine accessories like the alternator and water pump.

Installation Tip

Ensure the belt tensioner is fully retracted before attempting to slip the belt onto the pulleys. Avoid using excessive force or prying tools against the belt itself, as this can cause internal damage.

Service Note

Inspect the belt tensioner and idler pulleys for smooth rotation and proper function.