CATElectrical Parts

1259352 Switch As- Pressure — Cat 120H 120H ES

This pressure switch is an electrical component designed to monitor and signal changes in hydraulic or pneumatic system pressure. It opens or closes an electrical circuit at a predetermined pressure setpoint, allowing the machine's control system to react, such as activating a pump or disabling a function. A malfunctioning pressure switch can lead to incorrect system operation, such as a pump running continuously or failing to engage, potentially causing component damage or inefficient performance.

Switch As- Pressure – Part No 1259352 – CAT Spare Part
Part Specifications
BrandCAT
CategoryElectrical 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

Disconnect main battery before working on electrical components. Use dielectric grease on all connector pins. Check ground connections — most electrical faults trace to poor grounds. Test with multimeter before installing new parts.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypePressure Switch
MaterialBrass, Plastic
ApplicationHydraulic/Pneumatic system pressure monitoring
Service LifeReplace as needed based on diagnostic codes or system performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing pressure switch may cause the associated system to operate erratically, such as a hydraulic pump cycling unnecessarily or failing to build adequate pressure. This can lead to poor machine performance, increased wear on components like pumps and valves, or a complete loss of function. Ignoring a faulty pressure switch can result in inefficient operation and potential damage to the hydraulic system.

Installation Tip

Ensure the system is depressurized before attempting removal and installation to prevent injury and fluid loss. Do not overtighten the switch, as this can damage the threads or the switch body.

Service Note

Inspect the hydraulic fluid level and condition, and check for any leaks in the system when replacing the pressure switch.