Chrysler 300 & 300L

George,if you can,pull the diffs,motor and tranny from all of them if you can,and save the 383 413 and the 440.Check fender tags and the VIN number to ID the motor,check in a reference book to see what motor is in each car,or go to; www.mymopar.com and look at the tool reference page and find the code for each car and the motor code so you can go back and decode the car,mrmopartech