CATElectrical Parts

3E2026 Switch As- Pressure — Cat 120H 120K

This pressure switch is a critical electrical component that signals changes in system pressure, often used in lubrication or hydraulic circuits. Manufactured to meet stringent quality standards, it provides reliable activation compared to a worn switch that might stick or fail to engage. Operators might observe a persistent warning light, inconsistent gauge readings, or the absence of an expected alert when this switch malfunctions.

Switch As- Pressure – Part No 3E2026 – 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, Steel, Plastic
ApplicationSystem Pressure Monitoring
Service LifeReplace every 2,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing pressure switch may cause the low-pressure warning light to illuminate erratically or not at all. Continued operation without accurate pressure feedback risks insufficient lubrication, leading to accelerated wear on engine or transmission components. The most severe consequence is potential internal damage due to prolonged operation under inadequate lubrication.

Installation Tip

Ensure the threaded port is clean and free of debris before installing the new switch to guarantee a proper seal. Be careful not to damage the electrical terminal when connecting the wiring harness.

Service Note

Check the oil level and condition, and inspect the oil filter for clogging when replacing this pressure switch.