WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Knock Sensor (KS) - 4.0L With Torque Specifications
Courtesy of FORD MOTOR CO.
Item
Part Number
Description
1
-
Knock sensor (KS) electrical connector (part of 12B637)