VolvoEngine Parts

3858967 — 3 Bar Fuel Pressure Regulator 2149831 885174 21491831 3858967 For Volvo Penta Engine V8-270-A V8-270-C V8-300-A V8-300-B V8-320-A V8-320-B

This 3-bar fuel pressure regulator is designed to maintain consistent fuel pressure within the engine's fuel rail, ensuring optimal fuel delivery to the injectors. Manufactured to precise pressure specifications, it guarantees accurate fuel metering, unlike a worn regulator that can cause pressure fluctuations. Operators may experience symptoms such as hard starting, engine misfires, poor acceleration, or a reduction in overall engine power.

3 Bar Fuel Pressure Regulator 2149831 885174 21491831 3858967 For Volvo Penta Engine V8-270-A V8-270-C V8-300-A V8-300-B V8-320-A V8-320-B – Part No 3858967 – 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 Pressure Regulator
MaterialMetal and rubber diaphragm
ApplicationFuel system
Service LifeReplace as needed, typically during fuel system service
CompatibilityVolvo Penta specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A faulty fuel pressure regulator may cause the engine to hesitate during acceleration or experience rough idling due to inconsistent fuel delivery. If the regulator fails to hold pressure, the engine may stall or have difficulty starting, especially when warm. Continued operation with incorrect fuel pressure can lead to poor engine performance and increased wear.

Installation Tip

Ensure all fuel lines are properly connected and secured to prevent fuel leaks after installation. Bleed the fuel system according to the manufacturer's procedure to remove any air before starting the engine.

Service Note

Replace the fuel filter concurrently with the fuel pressure regulator to ensure the entire fuel system is clean and functioning optimally.