Features • Efficient Speed Measurement: This magnetic sensor accurately tests engine rotation speed, providing reliable results for optimal engine performance • Compatible With Key Models: Designed specifically for models C3971994 and 3971994, this sensor ensures stable operation in Cummins generators • Enhanced Accuracy and Sensitivity: With its high precision, this sensor significantly improves engine monitoring, ensuring you stay informed of critical performance metrics • Durable Stainless Steel Construction: Made from premium stainless steel, this sensor is resistant to interference and built for a longer service life, ensuring dependable performance • Quick and Easy Installation: Lightweight and compact design allows for simple installation, enabling you to set up the sensor in minutes without hassle Features: 1、Speed Sensor: This magnetic speed sensor works efficiently in testing the rotation speed of engine, and the result is very reliable. 2、Mind The Models: The models are C3971994 and 3971994, suits ly for Cummins generator, and the working performance is very stable. 3、Accurate Use: Comes with high accuracy and good sensitivity, this speed sensor will largely improve the with standard design. 4、Stainl Steel: Adopting premium stainl steel materials, very with and anti interference, longer in service life. 5、Easy to Install: Light in weight and compact in size as well, the simple installation can be quickly finished within minutes. Specification: Item Type: Engine Speed Sensor Model: C3971994, 3971994 Material: Stainl Steel Specification: M18x1.5-2A Inductance Value: 142MH+25% Resistance Value: 300Ω, maximum. Temperature Range: -55 ℃ - 105℃ Package List: 1 x Engine Speed Sensor Package List 1 x Engine Speed Sensor