VolvoEngine Parts

FPFL2410325 — Vacuum Switch 20409365 20560843 For Volvo Engine Tad570 Tad840Ge Truck Fh Bus B5Lh B8L

This vacuum switch monitors and controls pneumatic or hydraulic pressure within various engine and vehicle systems, acting as a critical sensor for the engine control unit (ECU). It is built to precise specifications, ensuring accurate pressure readings and reliable switch actuation, unlike a faulty switch that may provide incorrect signals or fail to operate. Operators may experience erratic engine performance, illumination of warning lights, or failure of associated systems if this vacuum switch malfunctions.

Vacuum Switch 20409365 20560843 For Volvo Engine Tad570 Tad840Ge Truck Fh Bus B5Lh B8L – Part No FPFL2410325 – 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 TypeVacuum Switch
MaterialPlastic and brass
ApplicationEngine control and monitoring systems
Service LifeReplace as needed based on diagnostic testing
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A malfunctioning vacuum switch may initially cause intermittent issues with engine operation or trigger a check engine light. If the switch fails completely, it can lead to a constant incorrect signal, causing the engine control module to operate the engine in a suboptimal or protective mode. This can result in poor drivability, reduced power, and potential damage to emissions control systems.

Installation Tip

Before removing the old switch, carefully note the routing of any connected vacuum lines to ensure correct reinstallation. Ensure the threads are clean and free of debris before screwing in the new switch to prevent cross-threading.

Service Note

Inspect all associated vacuum lines and electrical connections for damage or corrosion when replacing the vacuum switch.