CATEngine Parts

344-7390 Heavy Duty Pressure Sensor Switch — Cat

This is a heavy-duty pressure sensor switch that monitors and regulates hydraulic or engine oil pressure, crucial for system operation and protection. It is built to meet rigorous OEM standards, offering reliable performance and durability over a worn or faulty switch that may provide inaccurate readings or fail to activate. Operators may observe erratic gauge readings, system warning lights, or unexpected shutdowns when this component begins to fail.

Heavy Duty Pressure Sensor Switch – Part No 344-7390 – CAT Spare Part
Part Specifications
BrandCAT
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 TypePressure Sensor Switch
MaterialBrass and electronic components
ApplicationHydraulic or engine oil pressure monitoring
Service LifeReplace based on diagnostic testing or failure
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing pressure sensor switch may include intermittent warning lights or fluctuating gauge readings. If left unaddressed, the switch can provide consistently incorrect data, leading to improper system operation or a failure to alert the operator to critical pressure drops. This can result in damage to pumps or other hydraulic components due to insufficient lubrication or pressure.

Installation Tip

Ensure the pressure port threads are clean and free of debris before installation to guarantee a proper seal. Avoid over-tightening the switch, as this can damage the threads or the switch body.

Service Note

When replacing the pressure sensor switch, it is advisable to check the condition of the associated wiring and connectors for any signs of wear or corrosion.