For Cummins 6BT5.9 Diesel Engine. FOR Cummins 5.9L 01-02 24V Dodge Ram 2500 3500. 1 PCS (As shown in the figure). Professional installation in highly recommended (No instruction included). Please make sure the part number in our listing is the same as your one. Please check our photos and make sure the part shown looks identical to your stock one. Communication is the most effective way to solve the problem. Please make sure to check if the picture and OE number are what you need. Wishing you a happy life.