1、Alloy Steel Construction: Made of excellent alloy steel material, this diesel engine speed sensor is wear resistance, aging resistance and fracture resistance. 2、Compatible Model: This diesel engine speed sensor is designed suitable for Cummins ISMM11 QSM11 and other models, ensuring a perfect fit and optimal performance. 3、Precise Speed Measurement: Provides accurate speed measurement, allowing you to monitor your engine performance and ensure stable operation. 4、Easy Installation: Designed for hassle free installation, saving you time and effort. Simply replace your old sensor with this one for immediate functionality. 5、Replacement Part: Perfectly replaces OEM part numbers 2872354 and 3079604, offering a reliable solution to restore your engine speed sensing capabilities.