VolvoEngine Parts

3948071 — Lubricating Oil Pump 3800828 3948071 For Cummins 4B3.9 6B5.9 6C8.3 Isc Engine Hyundai R290Lc-7 R305Lc-7 Volvo Ec240 Ec290 Excavator

This lubricating oil pump is a vital component of the engine's lubrication system, circulating oil under pressure to lubricate moving parts and reduce friction. It is engineered for high-volume flow and consistent pressure, performing reliably unlike a worn pump with damaged gears or a failing relief valve. Operators may notice a drop in oil pressure readings, increased engine noise, or the oil pressure warning light illuminating when the oil pump is malfunctioning.

Lubricating Oil Pump 3800828 3948071 For Cummins 4B3.9 6B5.9 6C8.3 Isc Engine Hyundai R290Lc-7 R305Lc-7 Volvo Ec240 Ec290 Excavator – Part No 3948071 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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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 TypeLubricating Oil Pump
MaterialCast iron or steel alloy
ApplicationEngine lubrication system
Service LifeReplace if internal wear or low pressure is detected
Compatibility3800828, Cummins 4B3.9, 6B5.9, 6C8.3, ISC, Hyundai R290Lc-7, R305Lc-7, Volvo Ec240, Ec290
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing oil pump is typically a reduction in oil pressure, often accompanied by increased engine noise. If ignored, this can lead to insufficient lubrication of critical engine parts, causing accelerated wear and potential seizure. Continued operation without adequate oil pressure risks severe and irreparable engine damage.

Installation Tip

Ensure the oil pickup tube and screen are thoroughly cleaned and properly seated in the oil pump before installation. Avoid rotating the pump shaft by hand excessively before it is installed and primed with oil, as this can damage the internal components.

Service Note

Clean or replace the engine oil suction screen and inspect the oil pan for sediment when replacing the lubricating oil pump.