This is the electronic speed sensor for T45 & TR3650 equipped 1999-2004 Mustang. It relays information to the computer to let it know the speed of the transmission output shaft. They can sometime go bad or get broken from road debris. Keep yours functioning correctly with this replacement today!
I've done the majority of my aftermarket mustang parts shopping at American muscle, recently finding out about this website I'd just like to say it is a great experience to shop here, the lay out is easy and simple to navigate, and you have thousands of parts that no other website has. The shipping is very fast and all te updates are great. I will be doin much more shopping with y'all, so thanks for being so badass haha