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4034198 5550060 – Turbine speed sensor for Cummins Holset turbochargers (ISB, ISC, ISL, ISX)
Product Name：Cummins Holset Turbocharger Speed Sensor (Part No.: 4034198 / 5550060)
Applicable Equipment：
- Turbocharger: Cummins Holset series turbochargers
- Engines: Cummins ISB, ISC, ISL, ISX series diesel engines
- Vehicles/Machinery: Heavy-duty trucks, construction machinery, generator sets, and other equipment powered by the above engines
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Product Description
Core Parameters：
- Part Number: 4034198 (Interchangeable: 5550060)
- Type: Magnetic Pickup Turbine Speed Sensor
- Structure & Material: Plastic/metal housing + magnetic induction probe + waterproof corrugated wiring harness + mounting hardware (clamps, bolt)
- Function: Real-time monitoring of turbocharger rotor speed, converting rotational speed into electrical pulse signals for the engine ECU
Function & Application：
- Speed Monitoring: Uses magnetic induction to accurately capture turbo rotor speed, providing critical data to the ECU for boost pressure control and engine power management.
- Over-speed Protection: Triggers ECU protection mechanisms (e.g., fuel limit, wastegate actuation) when turbo speed exceeds safe limits, preventing turbo failure and ensuring equipment safety.
- Performance Optimization: Works with the boost control system to improve turbo response, enhancing low-end torque and fuel efficiency while reducing emissions.
- Durability & Reliability: Waterproof corrugated harness and high-temperature resistant housing adapt to the harsh, high-vibration turbo environment, ensuring stable signal transmission.
- OEM Compatibility: Precision manufactured to Cummins/Holset original standards, perfectly matching mounting interface, probe air gap, and electrical pinout for direct replacement of 4034198 or 5550060 sensors.
Application Scenario：
Suitable for maintenance and replacement of Cummins ISB/ISC/ISL/ISX engines and Holset turbochargers, resolving issues such as abnormal turbo speed, power loss, and fault codes. It is a core sensor component to ensure efficient and safe turbocharger operation.
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