Accurate temperature monitoring is a critical element for diesel engine health — and the Cummins ISB 6.7L / QSB Temperature Sensor (OEM 4384811) is designed to deliver precisely that. For ISB 6.7L and QSB engines manufactured between 2014 and 2018, this sensor ensures the engine’s control system receives reliable temperature data, enabling proper regulation of combustion, cooling, and emissions. Using the correct OEM-spec sensor is essential for maintaining engine efficiency, safety, and long-term durability.
This temperature sensor contributes significantly to stable and optimized engine operation:
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Precise Temperature Feedback – Monitors coolant or engine temperature continuously and sends accurate readings to the control module for correct adjustments.
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Prevents Overheating & Component Damage – Reliable temperature data helps prevent overheating, reducing risk of thermal damage to internal components.
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Enhances Combustion Efficiency and Emissions Control – With accurate temperature information, the engine can optimize fuel timing, combustion conditions, and emissions performance under varying loads and ambient conditions.
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OEM-Quality Fit and Durability – As OEM 4384811, this sensor matches original manufacturer standards, ensuring correct installation, consistent performance, and long-term reliability.
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Reduces False Alarms and Misdiagnosis – A functioning sensor helps avoid erroneous temperature warnings or fault codes, making diagnostics more dependable and preventing unnecessary maintenance.
Replacing a worn or malfunctioning temperature sensor is a smart move to safeguard your engine’s reliability and performance. The Cummins ISB 6.7L / QSB Temperature Sensor (OEM 4384811) delivers accurate and dependable monitoring — keeping temperature under control, protecting vital components, and supporting efficient engine operation. For truck owners and mechanics seeking a high-quality OEM replacement, Tamerx offers a trusted solution engineered for long-term engine health and stable performance.












































































































































































































































