CATEngine Parts

276-8172 Speed Sensor — Cat

This sensor monitors the rotational speed of the engine or transmission output shaft, providing critical data to the engine control module (ECM) for fuel management and performance optimization. Manufactured to meet OEM standards, it offers accurate signal output compared to a failing sensor with intermittent readings. Operators might experience erratic engine performance, stalling, or the illumination of the check engine light if this speed sensor malfunctions.

Speed Sensor – Part No 276-8172 – 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 TypeSpeed Sensor
MaterialPlastic, Metal, Electronics
ApplicationEngine/Transmission Speed Monitoring
Service LifeReplace as needed based on diagnostic
CompatibilityCAT 276-8172
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing speed sensor may initially cause intermittent issues, such as brief hesitations or fluctuations in engine RPM. As the problem worsens, the engine may begin to run roughly, stall unexpectedly, or fail to start, often accompanied by a check engine warning light. Without accurate speed data, the ECM cannot properly manage engine timing and fuel injection, potentially leading to drivability problems and reduced power.

Installation Tip

Ensure the mounting surface for the sensor is clean and free of metallic debris that could interfere with its magnetic pickup. Do not force the sensor into its mounting hole; it should thread in smoothly.

Service Note

When replacing a speed sensor, inspect the wiring harness for any signs of damage or corrosion, and check the tone ring or reluctor wheel for damage or debris.