Evaporative System Integrity Module Detector 4891729aa Mopar OEM Jeep ESIM 07-10
Evaporative System Integrity Module Detector 4891729aa Mopar OEM Jeep ESIM 07-10
This is a new Mopar OEM Evaporative System Integrity Module Detector or ESIM. The Natural Vacuum LeakDetection (NVLD) system is the next generation evaporative leak detection system that will first be used on vehicles equipped with the Next Generation Controller (NGC). This new system replaces the leak detection pump as the method of evaporative system leak detection. This is to detect a leak equivalent to a 0.020" (0.5 mm) hole. This system has the capability to detect holes of this size very dependably.
Mopar part# 4891729aa
Fits - 2007 - 2010 Jeep Grand Cherokee