CATElectrical Parts

1638521 Oil Pressure Sensor — Cat 3512

This is an oil pressure sensor that monitors the engine's oil pressure and sends an electrical signal to the instrument panel or engine control unit. It is crucial for alerting operators to potential lubrication system issues, unlike a faulty sensor which may provide inaccurate readings or no reading at all. A failing sensor can manifest as an erratic or constantly illuminated oil pressure warning light, or conversely, a lack of warning when actual low oil pressure exists.

Oil Pressure Sensor – Part No 1638521 – 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 TypeOil Pressure Sensor
MaterialBrass and electronic components
ApplicationEngine lubrication system monitoring
Service LifeReplace as needed or upon failure
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing oil pressure sensor may cause the oil pressure warning light to illuminate erratically, stay on constantly, or fail to illuminate when pressure is low. If the sensor fails to report low pressure, the engine could be run under dangerously low lubrication conditions. This can lead to severe internal engine damage over time.

Installation Tip

Ensure the engine is completely cool before attempting to remove the old sensor to avoid burns. Do not use excessive force when threading the new sensor into the engine block, as this can damage the sensor or the block's threads.

Service Note

When replacing the oil pressure sensor, it is advisable to check the engine oil level and condition, and inspect the wiring harness for any signs of damage.