VolvoHydraulic Parts

20569856 — Oil Pump 20758237 20569856 For Volvo Truck Fm Fm9 Bus B9R B9S

This is an Oil Pump, a critical component responsible for circulating engine oil under pressure to lubricate moving parts and reduce friction. Manufactured to meet precise Volvo specifications, it ensures consistent oil flow and pressure, unlike a worn pump with a damaged gear or worn housing that can lead to inadequate lubrication. Operators may notice a low oil pressure warning light, increased engine noise, or a decrease in oil pressure readings when this pump begins to fail.

Oil Pump 20758237 20569856 For Volvo Truck Fm Fm9 Bus B9R B9S – Part No 20569856 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryHydraulic 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

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeEngine Oil Pump
MaterialCast iron and steel
ApplicationEngine lubrication system
Service LifeReplace as needed based on inspection
CompatibilityVolvo 20758237, 20569856
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of an oil pump issue is often a persistent low oil pressure warning light or a noticeable increase in engine ticking or knocking sounds. If ignored, oil pressure will continue to drop, leading to insufficient lubrication of critical engine parts like bearings and camshafts. Severe lack of lubrication can result in rapid and extensive engine damage.

Installation Tip

Ensure the oil pickup tube and screen are thoroughly cleaned and properly sealed to the pump before installation to prevent air from entering the lubrication system. Verify that the pump drive mechanism engages correctly and that the pump rotates freely by hand before final assembly.

Service Note

Inspect the engine oil pickup screen for any blockage or debris and check the condition of the crankshaft main bearings during oil pump replacement.