VolvoEngine Parts

3861355 — Fuel Pump 3861355 3860210 21608511 For Volvo Penta Engine 4.3L 5.0L 5.7L 8.1L

This fuel pump is responsible for drawing fuel from the tank and delivering it under pressure to the engine's fuel injection system. Constructed with robust internal components and precise tolerances, it ensures consistent fuel flow and pressure, unlike a worn pump that may exhibit inconsistent delivery. Symptoms of a failing fuel pump include engine misfires, difficulty starting, and a noticeable loss of engine power, especially under load.

Fuel Pump 3861355 3860210 21608511 For Volvo Penta Engine 4.3L 5.0L 5.7L 8.1L – Part No 3861355 – 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 TypeFuel Pump
MaterialMetal and high-grade polymer
ApplicationFuel Delivery System
Service LifeReplace as needed based on inspection
CompatibilityVolvo Penta 4.3L, 5.0L, 5.7L, 8.1L Engines
ConditionNew — OEM specification aftermarket

Failure Symptoms

Difficulty starting the engine, especially when warm, and a noticeable loss of engine power under acceleration are early indicators of a failing fuel pump. The engine may also hesitate or sputter during operation, and in severe cases, it may stall without warning. Continued operation with a weak fuel pump can lead to lean fuel conditions, potentially damaging other engine components.

Installation Tip

Ensure the fuel tank is at least half full to prevent the pump from running dry during priming and initial operation. Always use new fuel filter seals and O-rings when installing the pump.

Service Note

Replace the fuel filter and inspect the fuel lines for any signs of leaks or degradation when replacing the fuel pump.