Cummins
Cummins Turbocharger Speed Sensor – Part No. 4327181
Ensure peak performance and engine safety with our High-Precision Turbocharger Speed Sensor (4327181). Designed specifically for Cummins engines equipped with Holset Variable Geometry Turbochargers (VGT), this sensor provides real-time RPM data to the Engine Control Module (ECM) to prevent overspeeding and turbo failure.
Key Features & Benefits
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OEM Quality Fit: Manufactured to exact specifications for a seamless “plug-and-play” installation.
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Enhanced Durability: Built to withstand extreme heat and vibration common in heavy-duty diesel engine compartments.
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Precision Monitoring: Accurately tracks turbocharger wheel speed to optimize fuel efficiency and boost pressure.
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Cost-Effective Solution: A high-reliability alternative to expensive dealer-sourced parts without compromising on longevity.
Application & Compatibility
This sensor is widely used in a variety of medium and heavy-duty applications. It is primarily found in Cummins ISB, ISL, and QSB engine series.
Common Vehicle/Equipment Applications:
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On-Highway: Freightliner, Kenworth, and Peterbilt trucks.
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Bus & Coach: School buses and transit buses using ISB/ISL engines.
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Off-Highway: Construction and agricultural equipment (e.g., excavators, loaders).
Cross-Reference & OE Part Numbers
To ensure you are ordering the correct part, please verify your existing sensor matches one of the following reference codes:
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Cummins Part Number: 4327181
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Replacement / Superseded Codes: * 4032068
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4034360
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4043661
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4954574
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Holset Reference: 4032068RX (Remanufactured equivalent)
Technical Specifications
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Connector Type: 4-Pin Sealed Connector
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Housing Material: High-grade Composite/Stainless Steel
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Signal Type: Frequency/Pulse
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Installation Torque: Refer to Cummins service manual for specific engine model specs.
