The XDP Crankshaft Position (CKP) Sensor XD1021 is an OE-style replacement for the failed cam position sensor in your Dodge Ram 5.9L diesel. All XDP sensors are constructed from high-quality materials and components to ensure precise function, response, and communication with the electronics in your truck. Every sensor is engineered and built as an drop-in replacement and comes ready to install.Features: Direct-Fit Replacement(CKP) - Crankshaft Position SensorManufactured With Premium Quality Materials