Thats what I am tring to get an answer on. I am Very well aware of replacement parts that differ from assembly line installed parts. I am tring to get an answer on the Pink plastic plug on the end. has anyone seen one? I have seen Yellow, green and gray. Someone has to know. The important part is the part number which is 3902399. The writing says 67 396,427 camaro, pass. Thanks SYC