Appropriate for:for Dodge for Ram 2500 3500 for Cummins 5.9L Diesel 1998-2002OE Number:4921601/5015488ABSpecification: Color: Black Material: Metal, Plastic Number of Pins: 3 Pins Function: The crankshaft position sensor detects engine speed, piston end position and firing cylinder end signals. Direct replace and install, convenient to use. It is a good replacement for the old or broken one. Item List:1 Pc Crankshaft Position SensorPlease Notice:Please make sure your model's ENGINE and TRIM are as described before purchasing!