VolvoHydraulic Parts

1479057 — Egr Valve 71794020 1479057 For Volvo C30 S40 Mk2 V50 V70 S80 Mk2 1.6D

This EGR valve is an essential component of the engine's exhaust gas recirculation system, designed to reduce NOx emissions by recirculating a portion of exhaust gas back into the combustion chambers. It ensures cleaner engine operation and compliance with emissions standards, differing from a faulty valve by providing accurate control over exhaust gas flow. Operators might observe a check engine light, reduced engine power, or rough idling when this EGR valve malfunctions.

Egr Valve 71794020 1479057 For Volvo C30 S40 Mk2 V50 V70 S80 Mk2 1.6D – Part No 1479057 – 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 TypeEGR Valve
MaterialSteel, Aluminum
ApplicationExhaust Gas Recirculation System
Service LifeReplace as needed based on emissions performance
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A malfunctioning EGR valve can first manifest as a persistent check engine light accompanied by a slight loss of engine power. If ignored, the valve may become stuck open or closed, leading to increased exhaust smoke, rough idling, and potentially reduced fuel efficiency. Continued operation with a faulty EGR valve can lead to increased emissions and potential damage to other engine components.

Installation Tip

Thoroughly clean the EGR cooler and intake manifold passages before installing the new valve to prevent immediate contamination. Ensure all gasket surfaces are clean and free of debris to achieve a proper seal.

Service Note

It is advisable to inspect and clean the diesel particulate filter (DPF) and the intake manifold when replacing the EGR valve.