CATEngine Parts

1918305 Speed Sensor — Cat C15

This speed sensor accurately measures the rotational speed of the engine's crankshaft or camshaft, providing vital data to the engine control module (ECM) for fuel injection and ignition timing. Built to meet stringent OEM specifications, it offers reliable signal output and durability, unlike a damaged sensor that can produce erratic or absent readings. Operators may notice engine misfires, rough idling, or the engine entering a 'limp-home' mode when this sensor fails.

Speed Sensor – Part No 1918305 – 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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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 TypeEngine Speed Sensor
MaterialPlastic and Metal Components
ApplicationEngine Timing and Speed Monitoring
Service LifeReplace as needed based on diagnostic codes
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing speed sensor can initially cause intermittent engine stumbling or a check engine light illumination with specific diagnostic codes. If the sensor fails completely, the engine may refuse to start or shut down unexpectedly due to lack of critical speed data. Continued operation without a functioning speed sensor risks severe engine damage from incorrect timing and fuel delivery.

Installation Tip

Ensure the mounting surface on the engine is clean and free of metal shavings before installing the sensor to guarantee proper air gap and signal integrity. Avoid using excessive force when tightening the sensor, as this can damage the threads or the sensor housing.

Service Note

When replacing the speed sensor, it is advisable to inspect the flywheel or crankshaft pulley for any damage that could affect sensor readings.